diff options
Diffstat (limited to 'drivers')
46 files changed, 416 insertions, 535 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index ce803d18e96a..bdbd55af7022 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4924,7 +4924,7 @@ void swap_buf_le16(u16 *buf, unsigned int buf_words) * @dev: device to target * @buf: data buffer * @buflen: buffer length - * @write_data: read/write + * @rw: read/write * * Transfer data from/to the device data register by PIO. * @@ -4970,7 +4970,7 @@ unsigned int ata_data_xfer(struct ata_device *dev, unsigned char *buf, * @dev: device to target * @buf: data buffer * @buflen: buffer length - * @write_data: read/write + * @rw: read/write * * Transfer data from/to the device data register by PIO. Do the * transfer with interrupts disabled. diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c index 9030c373ce67..cd03473f3547 100644 --- a/drivers/block/DAC960.c +++ b/drivers/block/DAC960.c @@ -3455,19 +3455,12 @@ static inline bool DAC960_ProcessCompletedRequest(DAC960_Command_T *Command, bool SuccessfulIO) { struct request *Request = Command->Request; - int UpToDate; - - UpToDate = 0; - if (SuccessfulIO) - UpToDate = 1; + int Error = SuccessfulIO ? 0 : -EIO; pci_unmap_sg(Command->Controller->PCIDevice, Command->cmd_sglist, Command->SegmentCount, Command->DmaDirection); - if (!end_that_request_first(Request, UpToDate, Command->BlockCount)) { - add_disk_randomness(Request->rq_disk); - end_that_request_last(Request, UpToDate); - + if (!__blk_end_request(Request, Error, Command->BlockCount << 9)) { if (Command->Completion) { complete(Command->Completion); Command->Completion = NULL; diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 509b6490413b..ef50068def88 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -1187,17 +1187,6 @@ static int cciss_ioctl(struct inode *inode, struct file *filep, } } -static inline void complete_buffers(struct bio *bio, int status) -{ - while (bio) { - struct bio *xbh = bio->bi_next; - - bio->bi_next = NULL; - bio_endio(bio, status ? 0 : -EIO); - bio = xbh; - } -} - static void cciss_check_queues(ctlr_info_t *h) { int start_queue = h->next_to_run; @@ -1263,21 +1252,14 @@ static void cciss_softirq_done(struct request *rq) pci_unmap_page(h->pdev, temp64.val, cmd->SG[i].Len, ddir); } - complete_buffers(rq->bio, (rq->errors == 0)); - - if (blk_fs_request(rq)) { - const int rw = rq_data_dir(rq); - - disk_stat_add(rq->rq_disk, sectors[rw], rq->nr_sectors); - } - #ifdef CCISS_DEBUG printk("Done with %p\n", rq); #endif /* CCISS_DEBUG */ - add_disk_randomness(rq->rq_disk); + if (blk_end_request(rq, (rq->errors == 0) ? 0 : -EIO, blk_rq_bytes(rq))) + BUG(); + spin_lock_irqsave(&h->lock, flags); - end_that_request_last(rq, (rq->errors == 0)); cmd_free(h, cmd, 1); cciss_check_queues(h); spin_unlock_irqrestore(&h->lock, flags); @@ -2544,7 +2526,6 @@ after_error_processing: } cmd->rq->data_len = 0; cmd->rq->completion_data = cmd; - blk_add_trace_rq(cmd->rq->q, cmd->rq, BLK_TA_COMPLETE); blk_complete_request(cmd->rq); } diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c index c8132d958795..69199185ff4b 100644 --- a/drivers/block/cpqarray.c +++ b/drivers/block/cpqarray.c @@ -167,7 +167,6 @@ static void start_io(ctlr_info_t *h); static inline void addQ(cmdlist_t **Qptr, cmdlist_t *c); static inline cmdlist_t *removeQ(cmdlist_t **Qptr, cmdlist_t *c); -static inline void complete_buffers(struct bio *bio, int ok); static inline void complete_command(cmdlist_t *cmd, int timeout); static irqreturn_t do_ida_intr(int irq, void *dev_id); @@ -980,26 +979,13 @@ static void start_io(ctlr_info_t *h) } } -static inline void complete_buffers(struct bio *bio, int ok) -{ - struct bio *xbh; - - while (bio) { - xbh = bio->bi_next; - bio->bi_next = NULL; - - bio_endio(bio, ok ? 0 : -EIO); - - bio = xbh; - } -} /* * Mark all buffers that cmd was responsible for */ static inline void complete_command(cmdlist_t *cmd, int timeout) { struct request *rq = cmd->rq; - int ok=1; + int error = 0; int i, ddir; if (cmd->req.hdr.rcode & RCODE_NONFATAL && @@ -1011,16 +997,17 @@ static inline void complete_command(cmdlist_t *cmd, int timeout) if (cmd->req.hdr.rcode & RCODE_FATAL) { printk(KERN_WARNING "Fatal error on ida/c%dd%d\n", cmd->ctlr, cmd->hdr.unit); - ok = 0; + error = -EIO; } if (cmd->req.hdr.rcode & RCODE_INVREQ) { printk(KERN_WARNING "Invalid request on ida/c%dd%d = (cmd=%x sect=%d cnt=%d sg=%d ret=%x)\n", cmd->ctlr, cmd->hdr.unit, cmd->req.hdr.cmd, cmd->req.hdr.blk, cmd->req.hdr.blk_cnt, cmd->req.hdr.sg_cnt, cmd->req.hdr.rcode); - ok = 0; + error = -EIO; } - if (timeout) ok = 0; + if (timeout) + error = -EIO; /* unmap the DMA mapping for all the scatter gather elements */ if (cmd->req.hdr.cmd == IDA_READ) ddir = PCI_DMA_FROMDEVICE; @@ -1030,18 +1017,9 @@ static inline void complete_command(cmdlist_t *cmd, int timeout) pci_unmap_page(hba[cmd->ctlr]->pci_dev, cmd->req.sg[i].addr, cmd->req.sg[i].size, ddir); - complete_buffers(rq->bio, ok); - - if (blk_fs_request(rq)) { - const int rw = rq_data_dir(rq); - - disk_stat_add(rq->rq_disk, sectors[rw], rq->nr_sectors); - } - - add_disk_randomness(rq->rq_disk); - DBGPX(printk("Done with %p\n", rq);); - end_that_request_last(rq, ok ? 1 : -EIO); + if (__blk_end_request(rq, error, blk_rq_bytes(rq))) + BUG(); } /* diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 639ed14bb08d..32c79a55511b 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -2287,21 +2287,19 @@ static int do_format(int drive, struct format_descr *tmp_format_req) * ============================= */ -static void floppy_end_request(struct request *req, int uptodate) +static void floppy_end_request(struct request *req, int error) { unsigned int nr_sectors = current_count_sectors; + unsigned int drive = (unsigned long)req->rq_disk->private_data; /* current_count_sectors can be zero if transfer failed */ - if (!uptodate) + if (error) nr_sectors = req->current_nr_sectors; - if (end_that_request_first(req, uptodate, nr_sectors)) + if (__blk_end_request(req, error, nr_sectors << 9)) return; - add_disk_randomness(req->rq_disk); - floppy_off((long)req->rq_disk->private_data); - blkdev_dequeue_request(req); - end_that_request_last(req, uptodate); /* We're done with the request */ + floppy_off(drive); current_req = NULL; } @@ -2332,7 +2330,7 @@ static void request_done(int uptodate) /* unlock chained buffers */ spin_lock_irqsave(q->queue_lock, flags); - floppy_end_request(req, 1); + floppy_end_request(req, 0); spin_unlock_irqrestore(q->queue_lock, flags); } else { if (rq_data_dir(req) == WRITE) { @@ -2346,7 +2344,7 @@ static void request_done(int uptodate) DRWE->last_error_generation = DRS->generation; } spin_lock_irqsave(q->queue_lock, flags); - floppy_end_request(req, 0); + floppy_end_request(req, -EIO); spin_unlock_irqrestore(q->queue_lock, flags); } } diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index ba9b17e507e0..ae3106045ee5 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -100,17 +100,15 @@ static const char *nbdcmd_to_ascii(int cmd) static void nbd_end_request(struct request *req) { - int uptodate = (req->errors == 0) ? 1 : 0; + int error = req->errors ? -EIO : 0; struct request_queue *q = req->q; unsigned long flags; dprintk(DBG_BLKDEV, "%s: request %p: %s\n", req->rq_disk->disk_name, - req, uptodate? "done": "failed"); + req, error ? "failed" : "done"); spin_lock_irqsave(q->queue_lock, flags); - if (!end_that_request_first(req, uptodate, req->nr_sectors)) { - end_that_request_last(req, uptodate); - } + __blk_end_request(req, error, req->nr_sectors << 9); spin_unlock_irqrestore(q->queue_lock, flags); } diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c index e354bfc070e1..7483f947f0e9 100644 --- a/drivers/block/ps3disk.c +++ b/drivers/block/ps3disk.c @@ -229,7 +229,7 @@ static irqreturn_t ps3disk_interrupt(int irq, void *data) struct ps3_storage_device *dev = data; struct ps3disk_private *priv; struct request *req; - int res, read, uptodate; + int res, read, error; u64 tag, status; unsigned long num_sectors; const char *op; @@ -270,21 +270,17 @@ static irqreturn_t ps3disk_interrupt(int irq, void *data) if (status) { dev_dbg(&dev->sbd.core, "%s:%u: %s failed 0x%lx\n", __func__, __LINE__, op, status); - uptodate = 0; + error = -EIO; } else { dev_dbg(&dev->sbd.core, "%s:%u: %s completed\n", __func__, __LINE__, op); - uptodate = 1; + error = 0; if (read) ps3disk_scatter_gather(dev, req, 0); } spin_lock(&priv->lock); - if (!end_that_request_first(req, uptodate, num_sectors)) { - add_disk_randomness(req->rq_disk); - blkdev_dequeue_request(req); - end_that_request_last(req, uptodate); - } + __blk_end_request(req, error, num_sectors << 9); priv->req = NULL; ps3disk_do_request(dev, priv->queue); spin_unlock(&priv->lock); diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c index fac4c6cd04f7..66e30155b0ab 100644 --- a/drivers/block/sunvdc.c +++ b/drivers/block/sunvdc.c @@ -212,12 +212,9 @@ static void vdc_end_special(struct vdc_port *port, struct vio_disk_desc *desc) vdc_finish(&port->vio, -err, WAITING_FOR_GEN_CMD); } -static void vdc_end_request(struct request *req, int uptodate, int num_sectors) +static void vdc_end_request(struct request *req, int error, int num_sectors) { - if (end_that_request_first(req, uptodate, num_sectors)) - return; - add_disk_randomness(req->rq_disk); - end_that_request_last(req, uptodate); + __blk_end_request(req, error, num_sectors << 9); } static void vdc_end_one(struct vdc_port *port, struct vio_dring_state *dr, @@ -242,7 +239,7 @@ static void vdc_end_one(struct vdc_port *port, struct vio_dring_state *dr, rqe->req = NULL; - vdc_end_request(req, !desc->status, desc->size >> 9); + vdc_end_request(req, (desc->status ? -EIO : 0), desc->size >> 9); if (blk_queue_stopped(port->disk->queue)) blk_start_queue(port->disk->queue); @@ -456,7 +453,7 @@ static void do_vdc_request(struct request_queue *q) blkdev_dequeue_request(req); if (__send_request(req) < 0) - vdc_end_request(req, 0, req->hard_nr_sectors); + vdc_end_request(req, -EIO, req->hard_nr_sectors); } } diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c index 52dc5e131718..cd5674b63faf 100644 --- a/drivers/block/sx8.c +++ b/drivers/block/sx8.c @@ -744,16 +744,14 @@ static unsigned int carm_fill_get_fw_ver(struct carm_host *host, static inline void carm_end_request_queued(struct carm_host *host, struct carm_request *crq, - int uptodate) + int error) { struct request *req = crq->rq; int rc; - rc = end_that_request_first(req, uptodate, req->hard_nr_sectors); + rc = __blk_end_request(req, error, blk_rq_bytes(req)); assert(rc == 0); - end_that_request_last(req, uptodate); - rc = carm_put_request(host, crq); assert(rc == 0); } @@ -793,9 +791,9 @@ static inline void carm_round_robin(struct carm_host *host) } static inline void carm_end_rq(struct carm_host *host, struct carm_request *crq, - int is_ok) + int error) { - carm_end_request_queued(host, crq, is_ok); + carm_end_request_queued(host, crq, error); if (max_queue == 1) carm_round_robin(host); else if ((host->n_msgs <= CARM_MSG_LOW_WATER) && @@ -873,14 +871,14 @@ queue_one_request: sg = &crq->sg[0]; n_elem = blk_rq_map_sg(q, rq, sg); if (n_elem <= 0) { - carm_end_rq(host, crq, 0); + carm_end_rq(host, crq, -EIO); return; /* request with no s/g entries? */ } /* map scatterlist to PCI bus addresses */ n_elem = pci_map_sg(host->pdev, sg, n_elem, pci_dir); if (n_elem <= 0) { - carm_end_rq(host, crq, 0); + carm_end_rq(host, crq, -EIO); return; /* request with no s/g entries? */ } crq->n_elem = n_elem; @@ -941,7 +939,7 @@ queue_one_request: static void carm_handle_array_info(struct carm_host *host, struct carm_request *crq, u8 *mem, - int is_ok) + int error) { struct carm_port *port; u8 *msg_data = mem + sizeof(struct carm_array_info); @@ -952,9 +950,9 @@ static void carm_handle_array_info(struct carm_host *host, DPRINTK("ENTER\n"); - carm_end_rq(host, crq, is_ok); + carm_end_rq(host, crq, error); - if (!is_ok) + if (error) goto out; if (le32_to_cpu(desc->array_status) & ARRAY_NO_EXIST) goto out; @@ -1001,7 +999,7 @@ out: static void carm_handle_scan_chan(struct carm_host *host, struct carm_request *crq, u8 *mem, - int is_ok) + int error) { u8 *msg_data = mem + IOC_SCAN_CHAN_OFFSET; unsigned int i, dev_count = 0; @@ -1009,9 +1007,9 @@ static void carm_handle_scan_chan(struct carm_host *host, DPRINTK("ENTER\n"); - carm_end_rq(host, crq, is_ok); + carm_end_rq(host, crq, error); - if (!is_ok) { + if (error) { new_state = HST_ERROR; goto out; } @@ -1033,23 +1031,23 @@ out: } static void carm_handle_generic(struct carm_host *host, - struct carm_request *crq, int is_ok, + struct carm_request *crq, int error, int cur_state, int next_state) { DPRINTK("ENTER\n"); - carm_end_rq(host, crq, is_ok); + carm_end_rq(host, crq, error); assert(host->state == cur_state); - if (is_ok) - host->state = next_state; - else + if (error) host->state = HST_ERROR; + else + host->state = next_state; schedule_work(&host->fsm_task); } static inline void carm_handle_rw(struct carm_host *host, - struct carm_request *crq, int is_ok) + struct carm_request *crq, int error) { int pci_dir; @@ -1062,7 +1060,7 @@ static inline void carm_handle_rw(struct carm_host *host, pci_unmap_sg(host->pdev, &crq->sg[0], crq->n_elem, pci_dir); - carm_end_rq(host, crq, is_ok); + carm_end_rq(host, crq, error); } static inline void carm_handle_resp(struct carm_host *host, @@ -1071,7 +1069,7 @@ static inline void carm_handle_resp(struct carm_host *host, u32 handle = le32_to_cpu(ret_handle_le); unsigned int msg_idx; struct carm_request *crq; - int is_ok = (status == RMSG_OK); + int error = (status == RMSG_OK) ? 0 : -EIO; u8 *mem; VPRINTK("ENTER, handle == 0x%x\n", handle); @@ -1090,7 +1088,7 @@ static inline void carm_handle_resp(struct carm_host *host, /* fast path */ if (likely(crq->msg_type == CARM_MSG_READ || crq->msg_type == CARM_MSG_WRITE)) { - carm_handle_rw(host, crq, is_ok); + carm_handle_rw(host, crq, error); return; } @@ -1100,7 +1098,7 @@ static inline void carm_handle_resp(struct carm_host *host, case CARM_MSG_IOCTL: { switch (crq->msg_subtype) { case CARM_IOC_SCAN_CHAN: - carm_handle_scan_chan(host, crq, mem, is_ok); + carm_handle_scan_chan(host, crq, mem, error); break; default: /* unknown / invalid response */ @@ -1112,21 +1110,21 @@ static inline void carm_handle_resp(struct carm_host *host, case CARM_MSG_MISC: { switch (crq->msg_subtype) { case MISC_ALLOC_MEM: - carm_handle_generic(host, crq, is_ok, + carm_handle_generic(host, crq, error, HST_ALLOC_BUF, HST_SYNC_TIME); break; case MISC_SET_TIME: - carm_handle_generic(host, crq, is_ok, + carm_handle_generic(host, crq, error, HST_SYNC_TIME, HST_GET_FW_VER); break; case MISC_GET_FW_VER: { struct carm_fw_ver *ver = (struct carm_fw_ver *) mem + sizeof(struct carm_msg_get_fw_ver); - if (is_ok) { + if (!error) { host->fw_ver = le32_to_cpu(ver->version); host->flags |= (ver->features & FL_FW_VER_MASK); } - carm_handle_generic(host, crq, is_ok, + carm_handle_generic(host, crq, error, HST_GET_FW_VER, HST_PORT_SCAN); break; } @@ -1140,7 +1138,7 @@ static inline void carm_handle_resp(struct carm_host *host, case CARM_MSG_ARRAY: { switch (crq->msg_subtype) { case CARM_ARRAY_INFO: - carm_handle_array_info(host, crq, mem, is_ok); + carm_handle_array_info(host, crq, mem, error); break; default: /* unknown / invalid response */ @@ -1159,7 +1157,7 @@ static inline void carm_handle_resp(struct carm_host *host, err_out: printk(KERN_WARNING DRV_NAME "(%s): BUG: unhandled message type %d/%d\n", pci_name(host->pdev), crq->msg_type, crq->msg_subtype); - carm_end_rq(host, crq, 0); + carm_end_rq(host, crq, -EIO); } static inline void carm_handle_responses(struct carm_host *host) diff --git a/drivers/block/ub.c b/drivers/block/ub.c index 08e909dc7944..c6179d6ac6e4 100644 --- a/drivers/block/ub.c +++ b/drivers/block/ub.c @@ -808,16 +808,16 @@ static void ub_rw_cmd_done(struct ub_dev *sc, struct ub_scsi_cmd *cmd) static void ub_end_rq(struct request *rq, unsigned int scsi_status) { - int uptodate; + int error; if (scsi_status == 0) { - uptodate = 1; + error = 0; } else { - uptodate = 0; + error = -EIO; rq->errors = scsi_status; } - end_that_request_first(rq, uptodate, rq->hard_nr_sectors); - end_that_request_last(rq, uptodate); + if (__blk_end_request(rq, error, blk_rq_bytes(rq))) + BUG(); } static int ub_rw_cmd_retry(struct ub_dev *sc, struct ub_lun *lun, diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c index ab5d404faa11..9e61fca46117 100644 --- a/drivers/block/viodasd.c +++ b/drivers/block/viodasd.c @@ -229,13 +229,10 @@ static struct block_device_operations viodasd_fops = { /* * End a request */ -static void viodasd_end_request(struct request *req, int uptodate, +static void viodasd_end_request(struct request *req, int error, int num_sectors) { - if (end_that_request_first(req, uptodate, num_sectors)) - return; - add_disk_randomness(req->rq_disk); - end_that_request_last(req, uptodate); + __blk_end_request(req, error, num_sectors << 9); } /* @@ -374,12 +371,12 @@ static void do_viodasd_request(struct request_queue *q) blkdev_dequeue_request(req); /* check that request contains a valid command */ if (!blk_fs_request(req)) { - viodasd_end_request(req, 0, req->hard_nr_sectors); + viodasd_end_request(req, -EIO, req->hard_nr_sectors); continue; } /* Try sending the request */ if (send_request(req) != 0) - viodasd_end_request(req, 0, req->hard_nr_sectors); + viodasd_end_request(req, -EIO, req->hard_nr_sectors); } } @@ -591,7 +588,7 @@ static int viodasd_handle_read_write(struct vioblocklpevent *bevent) num_req_outstanding--; spin_unlock_irqrestore(&viodasd_spinlock, irq_flags); - error = event->xRc != HvLpEvent_Rc_Good; + error = (event->xRc == HvLpEvent_Rc_Good) ? 0 : -EIO; if (error) { const struct vio_error_entry *err; err = vio_lookup_rc(viodasd_err_table, bevent->sub_result); @@ -601,7 +598,7 @@ static int viodasd_handle_read_write(struct vioblocklpevent *bevent) } qlock = req->q->queue_lock; spin_lock_irqsave(qlock, irq_flags); - viodasd_end_request(req, !error, num_sect); + viodasd_end_request(req, error, num_sect); spin_unlock_irqrestore(qlock, irq_flags); /* Finally, try to get more requests off of this device's queue */ diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 2bdebcb3ff16..8afce67c0aa5 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -452,7 +452,7 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) RING_IDX i, rp; unsigned long flags; struct blkfront_info *info = (struct blkfront_info *)dev_id; - int uptodate; + int error; spin_lock_irqsave(&blkif_io_lock, flags); @@ -477,13 +477,13 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) add_id_to_freelist(info, id); - uptodate = (bret->status == BLKIF_RSP_OKAY); + error = (bret->status == BLKIF_RSP_OKAY) ? 0 : -EIO; switch (bret->operation) { case BLKIF_OP_WRITE_BARRIER: if (unlikely(bret->status == BLKIF_RSP_EOPNOTSUPP)) { printk(KERN_WARNING "blkfront: %s: write barrier op failed\n", info->gd->disk_name); - uptodate = -EOPNOTSUPP; + error = -EOPNOTSUPP; info->feature_barrier = 0; xlvbd_barrier(info); } @@ -494,10 +494,8 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) dev_dbg(&info->xbdev->dev, "Bad return from blkdev data " "request: %x\n", bret->status); - ret = end_that_request_first(req, uptodate, - req->hard_nr_sectors); + ret = __blk_end_request(req, error, blk_rq_bytes(req)); BUG_ON(ret); - end_that_request_last(req, uptodate); break; default: BUG(); diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c index 82effce97c51..2c81465fd60c 100644 --- a/drivers/block/xsysace.c +++ b/drivers/block/xsysace.c @@ -703,7 +703,7 @@ static void ace_fsm_dostate(struct ace_device *ace) /* bio finished; is there another one? */ i = ace->req->current_nr_sectors; - if (end_that_request_first(ace->req, 1, i)) { + if (__blk_end_request(ace->req, 0, i)) { /* dev_dbg(ace->dev, "next block; h=%li c=%i\n", * ace->req->hard_nr_sectors, * ace->req->current_nr_sectors); @@ -718,9 +718,6 @@ static void ace_fsm_dostate(struct ace_device *ace) break; case ACE_FSM_STATE_REQ_COMPLETE: - /* Complete the block request */ - blkdev_dequeue_request(ace->req); - end_that_request_last(ace->req, 1); ace->req = NULL; /* Finished request; go to idle state */ diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c index d8bb44b98a6a..8473b9f1da96 100644 --- a/drivers/cdrom/viocd.c +++ b/drivers/cdrom/viocd.c @@ -289,7 +289,7 @@ static int send_request(struct request *req) return 0; } -static void viocd_end_request(struct request *req, int uptodate) +static void viocd_end_request(struct request *req, int error) { int nsectors = req->hard_nr_sectors; @@ -302,11 +302,8 @@ static void viocd_end_request(struct request *req, int uptodate) if (!nsectors) nsectors = 1; - if (end_that_request_first(req, uptodate, nsectors)) + if (__blk_end_request(req, error, nsectors << 9)) BUG(); - add_disk_randomness(req->rq_disk); - blkdev_dequeue_request(req); - end_that_request_last(req, uptodate); } static int rwreq; @@ -317,11 +314,11 @@ static void do_viocd_request(struct request_queue *q) while ((rwreq == 0) && ((req = elv_next_request(q)) != NULL)) { if (!blk_fs_request(req)) - viocd_end_request(req, 0); + viocd_end_request(req, -EIO); else if (send_request(req) < 0) { printk(VIOCD_KERN_WARNING "unable to send message to OS/400!"); - viocd_end_request(req, 0); + viocd_end_request(req, -EIO); } else rwreq++; } @@ -532,9 +529,9 @@ return_complete: "with rc %d:0x%04X: %s\n", req, event->xRc, bevent->sub_result, err->msg); - viocd_end_request(req, 0); + viocd_end_request(req, -EIO); } else - viocd_end_request(req, 1); + viocd_end_request(req, 0); /* restart handling of incoming requests */ spin_unlock_irqrestore(&viocd_reqlock, flags); diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 8d12b26bb6c6..b61f56b6f311 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -643,7 +643,7 @@ config I2C_PCA_ISA config I2C_MV64XXX tristate "Marvell mv64xxx I2C Controller" - depends on MV64X60 && EXPERIMENTAL + depends on (MV64X60 || ARCH_ORION) && EXPERIMENTAL help If you say yes to this option, support will be included for the built-in I2C interface on the Marvell 64xxx line of host bridges. diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c index bb7bf68a7fb6..036e6a883e67 100644 --- a/drivers/i2c/busses/i2c-mv64xxx.c +++ b/drivers/i2c/busses/i2c-mv64xxx.c @@ -1,6 +1,6 @@ /* - * Driver for the i2c controller on the Marvell line of host bridges for MIPS - * and PPC (e.g, gt642[46]0, mv643[46]0, mv644[46]0). + * Driver for the i2c controller on the Marvell line of host bridges + * (e.g, gt642[46]0, mv643[46]0, mv644[46]0, and Orion SoC family). * * Author: Mark A. Greer <mgreer@mvista.com> * @@ -14,7 +14,7 @@ #include <linux/spinlock.h> #include <linux/i2c.h> #include <linux/interrupt.h> -#include <linux/mv643xx.h> +#include <linux/mv643xx_i2c.h> #include <linux/platform_device.h> #include <asm/io.h> @@ -86,6 +86,7 @@ struct mv64xxx_i2c_data { u32 cntl_bits; void __iomem *reg_base; u32 reg_base_p; + u32 reg_size; u32 addr1; u32 addr2; u32 bytes_left; @@ -463,17 +464,20 @@ static int __devinit mv64xxx_i2c_map_regs(struct platform_device *pd, struct mv64xxx_i2c_data *drv_data) { - struct resource *r; + int size; + struct resource *r = platform_get_resource(pd, IORESOURCE_MEM, 0); - if ((r = platform_get_resource(pd, IORESOURCE_MEM, 0)) && - request_mem_region(r->start, MV64XXX_I2C_REG_BLOCK_SIZE, - drv_data->adapter.name)) { + if (!r) + return -ENODEV; - drv_data->reg_base = ioremap(r->start, - MV64XXX_I2C_REG_BLOCK_SIZE); - drv_data->reg_base_p = r->start; - } else - return -ENOMEM; + size = r->end - r->start + 1; + + if (!request_mem_region(r->start, size, drv_data->adapter.name)) + return -EBUSY; + + drv_data->reg_base = ioremap(r->start, size); + drv_data->reg_base_p = r->start; + drv_data->reg_size = size; return 0; } @@ -483,8 +487,7 @@ mv64xxx_i2c_unmap_regs(struct mv64xxx_i2c_data *drv_data) { if (drv_data->reg_base) { iounmap(drv_data->reg_base); - release_mem_region(drv_data->reg_base_p, - MV64XXX_I2C_REG_BLOCK_SIZE); + release_mem_region(drv_data->reg_base_p, drv_data->reg_size); } drv_data->reg_base = NULL; @@ -529,7 +532,6 @@ mv64xxx_i2c_probe(struct platform_device *pd) drv_data->adapter.owner = THIS_MODULE; drv_data->adapter.class = I2C_CLASS_HWMON; drv_data->adapter.timeout = pdata->timeout; - drv_data->adapter.retries = pdata->retries; drv_data->adapter.nr = pd->id; platform_set_drvdata(pd, drv_data); i2c_set_adapdata(&drv_data->adapter, drv_data); diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 44b033ec0ab0..74c6087ada38 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -655,9 +655,9 @@ static void cdrom_end_request (ide_drive_t *drive, int uptodate) BUG(); } else { spin_lock_irqsave(&ide_lock, flags); - end_that_request_chunk(failed, 0, - failed->data_len); - end_that_request_last(failed, 0); + if (__blk_end_request(failed, -EIO, + failed->data_len)) + BUG(); spin_unlock_irqrestore(&ide_lock, flags); } } else @@ -1647,6 +1647,17 @@ static int cdrom_write_check_ireason(ide_drive_t *drive, int len, int ireason) return 1; } +/* + * Called from blk_end_request_callback() after the data of the request + * is completed and before the request is completed. + * By returning value '1', blk_end_request_callback() returns immediately + * without completing the request. + */ +static int cdrom_newpc_intr_dummy_cb(struct request *rq) +{ + return 1; +} + typedef void (xfer_func_t)(ide_drive_t *, void *, u32); /* @@ -1685,9 +1696,13 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) return ide_error(drive, "dma error", stat); } - end_that_request_chunk(rq, 1, rq->data_len); - rq->data_len = 0; - goto end_request; + spin_lock_irqsave(&ide_lock, flags); + if (__blk_end_request(rq, 0, rq->data_len)) + BUG(); + HWGROUP(drive)->rq = NULL; + spin_unlock_irqrestore(&ide_lock, flags); + + return ide_stopped; } /* @@ -1705,8 +1720,15 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) /* * If DRQ is clear, the command has completed. */ - if ((stat & DRQ_STAT) == 0) - goto end_request; + if ((stat & DRQ_STAT) == 0) { + spin_lock_irqsave(&ide_lock, flags); + if (__blk_end_request(rq, 0, 0)) + BUG(); + HWGROUP(drive)->rq = NULL; + spin_unlock_irqrestore(&ide_lock, flags); + + return ide_stopped; + } /* * check which way to transfer data @@ -1759,7 +1781,14 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) rq->data_len -= blen; if (rq->bio) - end_that_request_chunk(rq, 1, blen); + /* + * The request can't be completed until DRQ is cleared. + * So complete the data, but don't complete the request + * using the dummy function for the callback feature + * of blk_end_request_callback(). + */ + blk_end_request_callback(rq, 0, blen, + cdrom_newpc_intr_dummy_cb); else rq->data += blen; } @@ -1780,14 +1809,6 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) ide_set_handler(drive, cdrom_newpc_intr, rq->timeout, NULL); return ide_started; - -end_request: - spin_lock_irqsave(&ide_lock, flags); - blkdev_dequeue_request(rq); - end_that_request_last(rq, 1); - HWGROUP(drive)->rq = NULL; - spin_unlock_irqrestore(&ide_lock, flags); - return ide_stopped; } static ide_startstop_t cdrom_write_intr(ide_drive_t *drive) diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 6f8f544392a8..e6bb9cf24e3d 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -58,15 +58,19 @@ static int __ide_end_request(ide_drive_t *drive, struct request *rq, int uptodate, unsigned int nr_bytes, int dequeue) { int ret = 1; + int error = 0; + + if (uptodate <= 0) + error = uptodate ? uptodate : -EIO; /* * if failfast is set on a request, override number of sectors and * complete the whole request right now */ - if (blk_noretry_request(rq) && end_io_error(uptodate)) + if (blk_noretry_request(rq) && error) nr_bytes = rq->hard_nr_sectors << 9; - if (!blk_fs_request(rq) && end_io_error(uptodate) && !rq->errors) + if (!blk_fs_request(rq) && error && !rq->errors) rq->errors = -EIO; /* @@ -78,14 +82,9 @@ static int __ide_end_request(ide_drive_t *drive, struct request *rq, ide_dma_on(drive); } - if (!end_that_request_chunk(rq, uptodate, nr_bytes)) { - add_disk_randomness(rq->rq_disk); - if (dequeue) { - if (!list_empty(&rq->queuelist)) - blkdev_dequeue_request(rq); + if (!__blk_end_request(rq, error, nr_bytes)) { + if (dequeue) HWGROUP(drive)->rq = NULL; - } - end_that_request_last(rq, uptodate); ret = 0; } @@ -290,9 +289,9 @@ static void ide_complete_pm_request (ide_drive_t *drive, struct request *rq) drive->blocked = 0; blk_start_queue(drive->queue); } - blkdev_dequeue_request(rq); HWGROUP(drive)->rq = NULL; - end_that_request_last(rq, 1); + if (__blk_end_request(rq, 0, 0)) + BUG(); spin_unlock_irqrestore(&ide_lock, flags); } @@ -387,10 +386,10 @@ void ide_end_drive_cmd (ide_drive_t *drive, u8 stat, u8 err) } spin_lock_irqsave(&ide_lock, flags); - blkdev_dequeue_request(rq); HWGROUP(drive)->rq = NULL; rq->errors = err; - end_that_request_last(rq, !rq->errors); + if (__blk_end_request(rq, (rq->errors ? -EIO : 0), 0)) + BUG(); spin_unlock_irqrestore(&ide_lock, flags); } diff --git a/drivers/input/touchscreen/corgi_ts.c b/drivers/input/touchscreen/corgi_ts.c index b1b2e07bf080..99d92f5c93d6 100644 --- a/drivers/input/touchscreen/corgi_ts.c +++ b/drivers/input/touchscreen/corgi_ts.c @@ -74,10 +74,10 @@ extern unsigned int get_clk_frequency_khz(int info); static unsigned long calc_waittime(struct corgi_ts *corgi_ts) { - unsigned long hsync_len = corgi_ts->machinfo->get_hsync_len(); + unsigned long hsync_invperiod = corgi_ts->machinfo->get_hsync_invperiod(); - if (hsync_len) - return get_clk_frequency_khz(0)*1000/hsync_len; + if (hsync_invperiod) + return get_clk_frequency_khz(0)*1000/hsync_invperiod; else return 0; } @@ -114,7 +114,7 @@ static int sync_receive_data_send_cmd(struct corgi_ts *corgi_ts, int doRecive, i if (timer2-timer1 > wait_time) { /* too slow - timeout, try again */ corgi_ts->machinfo->wait_hsync(); - /* get OSCR */ + /* get CCNT */ CCNT(timer1); /* Wait after HSync */ CCNT(timer2); diff --git a/drivers/message/i2o/i2o_block.c b/drivers/message/i2o/i2o_block.c index e4ad7a1c4fbd..a95314897402 100644 --- a/drivers/message/i2o/i2o_block.c +++ b/drivers/message/i2o/i2o_block.c @@ -412,13 +412,13 @@ static void i2o_block_delayed_request_fn(struct work_struct *work) /** * i2o_block_end_request - Post-processing of completed commands * @req: request which should be completed - * @uptodate: 1 for success, 0 for I/O error, < 0 for specific error + * @error: 0 for success, < 0 for error * @nr_bytes: number of bytes to complete * * Mark the request as complete. The lock must not be held when entering. * */ -static void i2o_block_end_request(struct request *req, int uptodate, +static void i2o_block_end_request(struct request *req, int error, int nr_bytes) { struct i2o_block_request *ireq = req->special; @@ -426,22 +426,18 @@ static void i2o_block_end_request(struct request *req, int uptodate, struct request_queue *q = req->q; unsigned long flags; - if (end_that_request_chunk(req, uptodate, nr_bytes)) { + if (blk_end_request(req, error, nr_bytes)) { int leftover = (req->hard_nr_sectors << KERNEL_SECTOR_SHIFT); if (blk_pc_request(req)) leftover = req->data_len; - if (end_io_error(uptodate)) - end_that_request_chunk(req, 0, leftover); + if (error) + blk_end_request(req, -EIO, leftover); } - add_disk_randomness(req->rq_disk); - spin_lock_irqsave(q->queue_lock, flags); - end_that_request_last(req, uptodate); - if (likely(dev)) { dev->open_queue_depth--; list_del(&ireq->queue); @@ -468,7 +464,7 @@ static int i2o_block_reply(struct i2o_controller *c, u32 m, struct i2o_message *msg) { struct request *req; - int uptodate = 1; + int error = 0; req = i2o_cntxt_list_get(c, le32_to_cpu(msg->u.s.tcntxt)); if (unlikely(!req)) { @@ -501,10 +497,10 @@ static int i2o_block_reply(struct i2o_controller *c, u32 m, req->errors++; - uptodate = 0; + error = -EIO; } - i2o_block_end_request(req, uptodate, le32_to_cpu(msg->body[1])); + i2o_block_end_request(req, error, le32_to_cpu(msg->body[1])); return 1; }; diff --git a/drivers/mfd/ucb1x00-assabet.c b/drivers/mfd/ucb1x00-assabet.c index b7c8e7813865..61aeaf79640d 100644 --- a/drivers/mfd/ucb1x00-assabet.c +++ b/drivers/mfd/ucb1x00-assabet.c @@ -20,7 +20,7 @@ #include "ucb1x00.h" #define UCB1X00_ATTR(name,input)\ -static ssize_t name##_show(struct device *dev, struct device_attribute *attr, +static ssize_t name##_show(struct device *dev, struct device_attribute *attr, \ char *buf) \ { \ struct ucb1x00 *ucb = classdev_to_ucb1x00(dev); \ @@ -38,17 +38,17 @@ UCB1X00_ATTR(batt_temp, UCB_ADC_INP_AD2); static int ucb1x00_assabet_add(struct ucb1x00_dev *dev) { - device_create_file(&dev->ucb->dev, &device_attr_vbatt); - device_create_file(&dev->ucb->dev, &device_attr_vcharger); - device_create_file(&dev->ucb->dev, &device_attr_batt_temp); + device_create_file(&dev->ucb->dev, &dev_attr_vbatt); + device_create_file(&dev->ucb->dev, &dev_attr_vcharger); + device_create_file(&dev->ucb->dev, &dev_attr_batt_temp); return 0; } static void ucb1x00_assabet_remove(struct ucb1x00_dev *dev) { - device_remove_file(&dev->ucb->cdev, &device_attr_batt_temp); - device_remove_file(&dev->ucb->cdev, &device_attr_vcharger); - device_remove_file(&dev->ucb->cdev, &device_attr_vbatt); + device_remove_file(&dev->ucb->dev, &dev_attr_batt_temp); + device_remove_file(&dev->ucb->dev, &dev_attr_vcharger); + device_remove_file(&dev->ucb->dev, &dev_attr_vbatt); } static struct ucb1x00_driver ucb1x00_assabet_driver = { diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index aeb32a93f6a0..91ded3e82401 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -348,15 +348,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) * A block was successfully transferred. */ spin_lock_irq(&md->lock); - ret = end_that_request_chunk(req, 1, brq.data.bytes_xfered); - if (!ret) { - /* - * The whole request completed successfully. - */ - add_disk_randomness(req->rq_disk); - blkdev_dequeue_request(req); - end_that_request_last(req, 1); - } + ret = __blk_end_request(req, 0, brq.data.bytes_xfered); spin_unlock_irq(&md->lock); } while (ret); @@ -386,27 +378,21 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) else bytes = blocks << 9; spin_lock_irq(&md->lock); - ret = end_that_request_chunk(req, 1, bytes); + ret = __blk_end_request(req, 0, bytes); spin_unlock_irq(&md->lock); } } else if (rq_data_dir(req) != READ && (card->host->caps & MMC_CAP_MULTIWRITE)) { spin_lock_irq(&md->lock); - ret = end_that_request_chunk(req, 1, brq.data.bytes_xfered); + ret = __blk_end_request(req, 0, brq.data.bytes_xfered); spin_unlock_irq(&md->lock); } mmc_release_host(card->host); spin_lock_irq(&md->lock); - while (ret) { - ret = end_that_request_chunk(req, 0, - req->current_nr_sectors << 9); - } - - add_disk_randomness(req->rq_disk); - blkdev_dequeue_request(req); - end_that_request_last(req, 0); + while (ret) + ret = __blk_end_request(req, -EIO, blk_rq_cur_bytes(req)); spin_unlock_irq(&md->lock); return 0; diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index 30cd13b13ac3..7731ddefdc1b 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c @@ -94,8 +94,8 @@ static void mmc_request(struct request_queue *q) printk(KERN_ERR "MMC: killing requests for dead queue\n"); while ((req = elv_next_request(q)) != NULL) { do { - ret = end_that_request_chunk(req, 0, - req->current_nr_sectors << 9); + ret = __blk_end_request(req, -EIO, + blk_rq_cur_bytes(req)); } while (ret); } return; diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c index 1654a3330340..1ea8482037bb 100644 --- a/drivers/mmc/host/pxamci.c +++ b/drivers/mmc/host/pxamci.c @@ -65,6 +65,8 @@ struct pxamci_host { unsigned int dma_len; unsigned int dma_dir; + unsigned int dma_drcmrrx; + unsigned int dma_drcmrtx; }; static void pxamci_stop_clock(struct pxamci_host *host) @@ -131,13 +133,13 @@ static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data) if (data->flags & MMC_DATA_READ) { host->dma_dir = DMA_FROM_DEVICE; dcmd = DCMD_INCTRGADDR | DCMD_FLOWTRG; - DRCMRTXMMC = 0; - DRCMRRXMMC = host->dma | DRCMR_MAPVLD; + DRCMR(host->dma_drcmrtx) = 0; + DRCMR(host->dma_drcmrrx) = host->dma | DRCMR_MAPVLD; } else { host->dma_dir = DMA_TO_DEVICE; dcmd = DCMD_INCSRCADDR | DCMD_FLOWSRC; - DRCMRRXMMC = 0; - DRCMRTXMMC = host->dma | DRCMR_MAPVLD; + DRCMR(host->dma_drcmrrx) = 0; + DRCMR(host->dma_drcmrtx) = host->dma | DRCMR_MAPVLD; } dcmd |= DCMD_BURST32 | DCMD_WIDTH1; @@ -375,14 +377,23 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) if (host->clkrt == CLKRT_OFF) clk_enable(host->clk); - /* - * clk might result in a lower divisor than we - * desire. check for that condition and adjust - * as appropriate. - */ - if (rate / clk > ios->clock) - clk <<= 1; - host->clkrt = fls(clk) - 1; + if (ios->clock == 26000000) { + /* to support 26MHz on pxa300/pxa310 */ + host->clkrt = 7; + } else { + /* to handle (19.5MHz, 26MHz) */ + if (!clk) + clk = 1; + + /* + * clk might result in a lower divisor than we + * desire. check for that condition and adjust + * as appropriate. + */ + if (rate / clk > ios->clock) + clk <<= 1; + host->clkrt = fls(clk) - 1; + } /* * we write clkrt on the next command @@ -459,7 +470,7 @@ static int pxamci_probe(struct platform_device *pdev) { struct mmc_host *mmc; struct pxamci_host *host = NULL; - struct resource *r; + struct resource *r, *dmarx, *dmatx; int ret, irq; r = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -519,7 +530,8 @@ static int pxamci_probe(struct platform_device *pdev) * Calculate minimum clock rate, rounding up. */ mmc->f_min = (host->clkrate + 63) / 64; - mmc->f_max = host->clkrate; + mmc->f_max = (cpu_is_pxa300() || cpu_is_pxa310()) ? 26000000 + : host->clkrate; mmc->ocr_avail = host->pdata ? host->pdata->ocr_mask : @@ -529,6 +541,9 @@ static int pxamci_probe(struct platform_device *pdev) if (!cpu_is_pxa21x() && !cpu_is_pxa25x()) { mmc->caps |= MMC_CAP_4_BIT_DATA | MMC_CAP_SDIO_IRQ; host->cmdat |= CMDAT_SDIO_INT_EN; + if (cpu_is_pxa300() || cpu_is_pxa310()) + mmc->caps |= MMC_CAP_MMC_HIGHSPEED | + MMC_CAP_SD_HIGHSPEED; } host->sg_cpu = dma_alloc_coherent(&pdev->dev, PAGE_SIZE, &host->sg_dma, GFP_KERNEL); @@ -570,6 +585,20 @@ static int pxamci_probe(struct platform_device *pdev) platform_set_drvdata(pdev, mmc); + dmarx = platform_get_resource(pdev, IORESOURCE_DMA, 0); + if (!dmarx) { + ret = -ENXIO; + goto out; + } + host->dma_drcmrrx = dmarx->start; + + dmatx = platform_get_resource(pdev, IORESOURCE_DMA, 1); + if (!dmatx) { + ret = -ENXIO; + goto out; + } + host->dma_drcmrtx = dmatx->start; + if (host->pdata && host->pdata->init) host->pdata->init(&pdev->dev, pxamci_detect_irq, mmc); @@ -613,8 +642,8 @@ static int pxamci_remove(struct platform_device *pdev) END_CMD_RES|PRG_DONE|DATA_TRAN_DONE, host->base + MMC_I_MASK); - DRCMRRXMMC = 0; - DRCMRTXMMC = 0; + DRCMR(host->dma_drcmrrx) = 0; + DRCMR(host->dma_drcmrtx) = 0; free_irq(host->irq, host); pxa_free_dma(host->dma); diff --git a/drivers/mmc/host/pxamci.h b/drivers/mmc/host/pxamci.h index 748c7706f237..f6c2e2fcce37 100644 --- a/drivers/mmc/host/pxamci.h +++ b/drivers/mmc/host/pxamci.h @@ -68,7 +68,7 @@ #define PRG_DONE (1 << 1) #define DATA_TRAN_DONE (1 << 0) -#ifdef CONFIG_PXA27x +#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx) #define MMC_I_MASK_ALL 0x00001fff #else #define MMC_I_MASK_ALL 0x0000007f diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 9af05a2f4af3..a6728661c416 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -212,7 +212,7 @@ config MII config MACB tristate "Atmel MACB support" - depends on AVR32 || ARCH_AT91SAM9260 || ARCH_AT91SAM9263 + depends on AVR32 || ARCH_AT91SAM9260 || ARCH_AT91SAM9263 || ARCH_AT91CAP9 select PHYLIB help The Atmel MACB ethernet interface is found on many AT32 and AT91 diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c index 3286d2a0a870..6a20a5491a96 100644 --- a/drivers/net/dm9000.c +++ b/drivers/net/dm9000.c @@ -66,6 +66,7 @@ #include <linux/dm9000.h> #include <linux/delay.h> #include <linux/platform_device.h> +#include <linux/irq.h> #include <asm/delay.h> #include <asm/irq.h> @@ -113,7 +114,7 @@ #define writesl outsl #define DM9000_IRQ_FLAGS (IRQF_SHARED | IRQF_TRIGGER_HIGH) #else -#define DM9000_IRQ_FLAGS IRQF_SHARED +#define DM9000_IRQ_FLAGS (IRQF_SHARED | IRQT_RISING) #endif /* diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c index 7da7589d45dd..4020e9e955b3 100644 --- a/drivers/net/smc91x.c +++ b/drivers/net/smc91x.c @@ -1775,7 +1775,8 @@ static int __init smc_findirq(void __iomem *ioaddr) * o actually GRAB the irq. * o GRAB the region */ -static int __init smc_probe(struct net_device *dev, void __iomem *ioaddr) +static int __init smc_probe(struct net_device *dev, void __iomem *ioaddr, + unsigned long irq_flags) { struct smc_local *lp = netdev_priv(dev); static int version_printed = 0; @@ -1941,7 +1942,7 @@ static int __init smc_probe(struct net_device *dev, void __iomem *ioaddr) } /* Grab the IRQ */ - retval = request_irq(dev->irq, &smc_interrupt, SMC_IRQ_FLAGS, dev->name, dev); + retval = request_irq(dev->irq, &smc_interrupt, irq_flags, dev->name, dev); if (retval) goto err_out; @@ -2123,8 +2124,9 @@ static void smc_release_datacs(struct platform_device *pdev, struct net_device * static int smc_drv_probe(struct platform_device *pdev) { struct net_device *ndev; - struct resource *res; + struct resource *res, *ires; unsigned int __iomem *addr; + unsigned long irq_flags = SMC_IRQ_FLAGS; int ret; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-regs"); @@ -2150,12 +2152,17 @@ static int smc_drv_probe(struct platform_device *pdev) SET_NETDEV_DEV(ndev, &pdev->dev); ndev->dma = (unsigned char)-1; - ndev->irq = platform_get_irq(pdev, 0); - if (ndev->irq < 0) { + + ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (!ires) { ret = -ENODEV; goto out_free_netdev; } + ndev->irq = ires->start; + if (SMC_IRQ_FLAGS == -1) + irq_flags = ires->flags & IRQF_TRIGGER_MASK; + ret = smc_request_attrib(pdev); if (ret) goto out_free_netdev; @@ -2181,7 +2188,7 @@ static int smc_drv_probe(struct platform_device *pdev) #endif platform_set_drvdata(pdev, ndev); - ret = smc_probe(ndev, addr); + ret = smc_probe(ndev, addr, irq_flags); if (ret != 0) goto out_iounmap; diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h index 07b7f7120e37..271c28dc9baa 100644 --- a/drivers/net/smc91x.h +++ b/drivers/net/smc91x.h @@ -54,6 +54,7 @@ #define SMC_outw(v, a, r) writew(v, (a) + (r)) #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l) #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l) +#define SMC_IRQ_FLAGS (-1) /* from resource */ #elif defined(CONFIG_BLACKFIN) @@ -158,7 +159,7 @@ #define SMC_outw(v, a, r) writew(v, (a) + (r)) #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l) -#define SMC_IRQ_FLAGS (0) +#define SMC_IRQ_FLAGS (-1) #elif defined(CONFIG_SA1100_ASSABET) @@ -177,6 +178,7 @@ #define SMC_outb(v, a, r) writeb(v, (a) + (r)) #define SMC_insb(a, r, p, l) readsb((a) + (r), p, (l)) #define SMC_outsb(a, r, p, l) writesb((a) + (r), p, (l)) +#define SMC_IRQ_FLAGS (-1) /* from resource */ #elif defined(CONFIG_MACH_LOGICPD_PXA270) @@ -194,7 +196,8 @@ #elif defined(CONFIG_ARCH_INNOKOM) || \ defined(CONFIG_MACH_MAINSTONE) || \ defined(CONFIG_ARCH_PXA_IDP) || \ - defined(CONFIG_ARCH_RAMSES) + defined(CONFIG_ARCH_RAMSES) || \ + defined(CONFIG_ARCH_PCM027) #define SMC_CAN_USE_8BIT 1 #define SMC_CAN_USE_16BIT 1 @@ -210,6 +213,7 @@ #define SMC_outl(v, a, r) writel(v, (a) + (r)) #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l) #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l) +#define SMC_IRQ_FLAGS (-1) /* from resource */ /* We actually can't write halfwords properly if not word aligned */ static inline void @@ -238,6 +242,7 @@ SMC_outw(u16 val, void __iomem *ioaddr, int reg) #define SMC_outsw(a, r, p, l) outsw((a) + (r), p, l) #define SMC_outb(v, a, r) writeb(v, (a) + (r)) #define SMC_outw(v, a, r) writew(v, (a) + (r)) +#define SMC_IRQ_FLAGS (-1) /* from resource */ #elif defined(CONFIG_ARCH_OMAP) @@ -252,17 +257,7 @@ SMC_outw(u16 val, void __iomem *ioaddr, int reg) #define SMC_outw(v, a, r) writew(v, (a) + (r)) #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l) #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l) - -#include <asm/mach-types.h> -#include <asm/arch/cpu.h> - -#define SMC_IRQ_FLAGS (( \ - machine_is_omap_h2() \ - || machine_is_omap_h3() \ - || machine_is_omap_h4() \ - || (machine_is_omap_innovator() && !cpu_is_omap1510()) \ - ) ? IRQF_TRIGGER_FALLING : IRQF_TRIGGER_RISING) - +#define SMC_IRQ_FLAGS (-1) /* from resource */ #elif defined(CONFIG_SH_SH4202_MICRODEV) @@ -453,8 +448,7 @@ static inline void LPD7_SMC_outsw (unsigned char* a, int r, #define SMC_outl(v, a, r) writel(v, (a) + (r)) #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l) #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l) - -#define SMC_IRQ_FLAGS (0) +#define SMC_IRQ_FLAGS (-1) /* from resource */ #else diff --git a/drivers/pcmcia/pxa2xx_base.c b/drivers/pcmcia/pxa2xx_base.c index 874923fcb2f9..e439044d88f2 100644 --- a/drivers/pcmcia/pxa2xx_base.c +++ b/drivers/pcmcia/pxa2xx_base.c @@ -29,6 +29,7 @@ #include <asm/irq.h> #include <asm/system.h> #include <asm/arch/pxa-regs.h> +#include <asm/arch/pxa2xx-regs.h> #include <pcmcia/cs_types.h> #include <pcmcia/ss.h> diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c index 6f1e9a9804bc..2eb38520f0c8 100644 --- a/drivers/rtc/rtc-sa1100.c +++ b/drivers/rtc/rtc-sa1100.c @@ -337,6 +337,8 @@ static int sa1100_rtc_probe(struct platform_device *pdev) if (IS_ERR(rtc)) return PTR_ERR(rtc); + device_init_wakeup(&pdev->dev, 1); + platform_set_drvdata(pdev, rtc); return 0; @@ -352,9 +354,38 @@ static int sa1100_rtc_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM +static int sa1100_rtc_suspend(struct platform_device *pdev, pm_message_t state) +{ + if (pdev->dev.power.power_state.event != state.event) { + if (state.event == PM_EVENT_SUSPEND && + device_may_wakeup(&pdev->dev)) + enable_irq_wake(IRQ_RTCAlrm); + + pdev->dev.power.power_state = state; + } + return 0; +} + +static int sa1100_rtc_resume(struct platform_device *pdev) +{ + if (pdev->dev.power.power_state.event != PM_EVENT_ON) { + if (device_may_wakeup(&pdev->dev)) + disable_irq_wake(IRQ_RTCAlrm); + pdev->dev.power.power_state = PMSG_ON; + } + return 0; +} +#else +#define sa1100_rtc_suspend NULL +#define sa1100_rtc_resume NULL +#endif + static struct platform_driver sa1100_rtc_driver = { .probe = sa1100_rtc_probe, .remove = sa1100_rtc_remove, + .suspend = sa1100_rtc_suspend, + .resume = sa1100_rtc_resume, .driver = { .name = "sa1100-rtc", }, diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 1db15f3e5d20..d640427c74c8 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -1595,12 +1595,10 @@ void dasd_block_clear_timer(struct dasd_block *block) /* * posts the buffer_cache about a finalized request */ -static inline void dasd_end_request(struct request *req, int uptodate) +static inline void dasd_end_request(struct request *req, int error) { - if (end_that_request_first(req, uptodate, req->hard_nr_sectors)) + if (__blk_end_request(req, error, blk_rq_bytes(req))) BUG(); - add_disk_randomness(req->rq_disk); - end_that_request_last(req, uptodate); } /* @@ -1657,7 +1655,7 @@ static void __dasd_process_request_queue(struct dasd_block *block) "Rejecting write request %p", req); blkdev_dequeue_request(req); - dasd_end_request(req, 0); + dasd_end_request(req, -EIO); continue; } cqr = basedev->discipline->build_cp(basedev, block, req); @@ -1686,7 +1684,7 @@ static void __dasd_process_request_queue(struct dasd_block *block) "on request %p", PTR_ERR(cqr), req); blkdev_dequeue_request(req); - dasd_end_request(req, 0); + dasd_end_request(req, -EIO); continue; } /* @@ -1705,11 +1703,14 @@ static void __dasd_cleanup_cqr(struct dasd_ccw_req *cqr) { struct request *req; int status; + int error = 0; req = (struct request *) cqr->callback_data; dasd_profile_end(cqr->block, cqr, req); status = cqr->memdev->discipline->free_cp(cqr, req); - dasd_end_request(req, status); + if (status <= 0) + error = status ? status : -EIO; + dasd_end_request(req, error); } /* @@ -2009,7 +2010,7 @@ static void dasd_flush_request_queue(struct dasd_block *block) spin_lock_irq(&block->request_queue_lock); while ((req = elv_next_request(block->request_queue))) { blkdev_dequeue_request(req); - dasd_end_request(req, 0); + dasd_end_request(req, -EIO); } spin_unlock_irq(&block->request_queue_lock); } diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c index eeb92e2ed0cc..ddc4a114e7f4 100644 --- a/drivers/s390/char/tape_block.c +++ b/drivers/s390/char/tape_block.c @@ -74,11 +74,10 @@ tapeblock_trigger_requeue(struct tape_device *device) * Post finished request. */ static void -tapeblock_end_request(struct request *req, int uptodate) +tapeblock_end_request(struct request *req, int error) { - if (end_that_request_first(req, uptodate, req->hard_nr_sectors)) + if (__blk_end_request(req, error, blk_rq_bytes(req))) BUG(); - end_that_request_last(req, uptodate); } static void @@ -91,7 +90,7 @@ __tapeblock_end_request(struct tape_request *ccw_req, void *data) device = ccw_req->device; req = (struct request *) data; - tapeblock_end_request(req, ccw_req->rc == 0); + tapeblock_end_request(req, (ccw_req->rc == 0) ? 0 : -EIO); if (ccw_req->rc == 0) /* Update position. */ device->blk_data.block_position = @@ -119,7 +118,7 @@ tapeblock_start_request(struct tape_device *device, struct request *req) ccw_req = device->discipline->bread(device, req); if (IS_ERR(ccw_req)) { DBF_EVENT(1, "TBLOCK: bread failed\n"); - tapeblock_end_request(req, 0); + tapeblock_end_request(req, -EIO); return PTR_ERR(ccw_req); } ccw_req->callback = __tapeblock_end_request; @@ -132,7 +131,7 @@ tapeblock_start_request(struct tape_device *device, struct request *req) * Start/enqueueing failed. No retries in * this case. */ - tapeblock_end_request(req, 0); + tapeblock_end_request(req, -EIO); device->discipline->free_bread(ccw_req); } @@ -177,7 +176,7 @@ tapeblock_requeue(struct work_struct *work) { if (rq_data_dir(req) == WRITE) { DBF_EVENT(1, "TBLOCK: Rejecting write request\n"); blkdev_dequeue_request(req); - tapeblock_end_request(req, 0); + tapeblock_end_request(req, -EIO); continue; } spin_unlock_irq(&device->blk_data.request_queue_lock); diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index 02e91893064d..db8bc20539e1 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -919,8 +919,8 @@ static int idescsi_eh_reset (struct scsi_cmnd *cmd) } /* kill current request */ - blkdev_dequeue_request(req); - end_that_request_last(req, 0); + if (__blk_end_request(req, -EIO, 0)) + BUG(); if (blk_sense_request(req)) kfree(scsi->pc->buffer); kfree(scsi->pc); @@ -929,8 +929,8 @@ static int idescsi_eh_reset (struct scsi_cmnd *cmd) /* now nuke the drive queue */ while ((req = elv_next_request(drive->queue))) { - blkdev_dequeue_request(req); - end_that_request_last(req, 0); + if (__blk_end_request(req, -EIO, 0)) + BUG(); } HWGROUP(drive)->rq = NULL; diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 4cf902efbdbf..7c4c889c5221 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -634,7 +634,7 @@ void scsi_run_host_queues(struct Scsi_Host *shost) * of upper level post-processing and scsi_io_completion). * * Arguments: cmd - command that is complete. - * uptodate - 1 if I/O indicates success, <= 0 for I/O error. + * error - 0 if I/O indicates success, < 0 for I/O error. * bytes - number of bytes of completed I/O * requeue - indicates whether we should requeue leftovers. * @@ -649,26 +649,25 @@ void scsi_run_host_queues(struct Scsi_Host *shost) * at some point during this call. * Notes: If cmd was requeued, upon return it will be a stale pointer. */ -static struct scsi_cmnd *scsi_end_request(struct scsi_cmnd *cmd, int uptodate, +static struct scsi_cmnd *scsi_end_request(struct scsi_cmnd *cmd, int error, int bytes, int requeue) { struct request_queue *q = cmd->device->request_queue; struct request *req = cmd->request; - unsigned long flags; /* * If there are blocks left over at the end, set up the command * to queue the remainder of them. */ - if (end_that_request_chunk(req, uptodate, bytes)) { + if (blk_end_request(req, error, bytes)) { int leftover = (req->hard_nr_sectors << 9); if (blk_pc_request(req)) leftover = req->data_len; /* kill remainder if no retrys */ - if (!uptodate && blk_noretry_request(req)) - end_that_request_chunk(req, 0, leftover); + if (error && blk_noretry_request(req)) + blk_end_request(req, error, leftover); else { if (requeue) { /* @@ -683,14 +682,6 @@ static struct scsi_cmnd *scsi_end_request(struct scsi_cmnd *cmd, int uptodate, } } - add_disk_randomness(req->rq_disk); - - spin_lock_irqsave(q->queue_lock, flags); - if (blk_rq_tagged(req)) - blk_queue_end_tag(q, req); - end_that_request_last(req, uptodate); - spin_unlock_irqrestore(q->queue_lock, flags); - /* * This will goose the queue request function at the end, so we don't * need to worry about launching another command. @@ -739,138 +730,43 @@ static inline unsigned int scsi_sgtable_index(unsigned short nents) return index; } -struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask) +static void scsi_sg_free(struct scatterlist *sgl, unsigned int nents) { struct scsi_host_sg_pool *sgp; - struct scatterlist *sgl, *prev, *ret; - unsigned int index; - int this, left; - - BUG_ON(!cmd->use_sg); - - left = cmd->use_sg; - ret = prev = NULL; - do { - this = left; - if (this > SCSI_MAX_SG_SEGMENTS) { - this = SCSI_MAX_SG_SEGMENTS - 1; - index = SG_MEMPOOL_NR - 1; - } else - index = scsi_sgtable_index(this); - - left -= this; - sgp = scsi_sg_pools + index; - - sgl = mempool_alloc(sgp->pool, gfp_mask); - if (unlikely(!sgl)) - goto enomem; + sgp = scsi_sg_pools + scsi_sgtable_index(nents); + mempool_free(sgl, sgp->pool); +} - sg_init_table(sgl, sgp->size); +static struct scatterlist *scsi_sg_alloc(unsigned int nents, gfp_t gfp_mask) +{ + struct scsi_host_sg_pool *sgp; - /* - * first loop through, set initial index and return value - */ - if (!ret) - ret = sgl; + sgp = scsi_sg_pools + scsi_sgtable_index(nents); + return mempool_alloc(sgp->pool, gfp_mask); +} - /* - * chain previous sglist, if any. we know the previous - * sglist must be the biggest one, or we would not have - * ended up doing another loop. - */ - if (prev) - sg_chain(prev, SCSI_MAX_SG_SEGMENTS, sgl); +int scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask) +{ + int ret; - /* - * if we have nothing left, mark the last segment as - * end-of-list - */ - if (!left) - sg_mark_end(&sgl[this - 1]); + BUG_ON(!cmd->use_sg); - /* - * don't allow subsequent mempool allocs to sleep, it would - * violate the mempool principle. - */ - gfp_mask &= ~__GFP_WAIT; - gfp_mask |= __GFP_HIGH; - prev = sgl; - } while (left); + ret = __sg_alloc_table(&cmd->sg_table, cmd->use_sg, + SCSI_MAX_SG_SEGMENTS, gfp_mask, scsi_sg_alloc); + if (unlikely(ret)) + __sg_free_table(&cmd->sg_table, SCSI_MAX_SG_SEGMENTS, + scsi_sg_free); - /* - * ->use_sg may get modified after dma mapping has potentially - * shrunk the number of segments, so keep a copy of it for free. - */ - cmd->__use_sg = cmd->use_sg; + cmd->request_buffer = cmd->sg_table.sgl; return ret; -enomem: - if (ret) { - /* - * Free entries chained off ret. Since we were trying to - * allocate another sglist, we know that all entries are of - * the max size. - */ - sgp = scsi_sg_pools + SG_MEMPOOL_NR - 1; - prev = ret; - ret = &ret[SCSI_MAX_SG_SEGMENTS - 1]; - - while ((sgl = sg_chain_ptr(ret)) != NULL) { - ret = &sgl[SCSI_MAX_SG_SEGMENTS - 1]; - mempool_free(sgl, sgp->pool); - } - - mempool_free(prev, sgp->pool); - } - return NULL; } EXPORT_SYMBOL(scsi_alloc_sgtable); void scsi_free_sgtable(struct scsi_cmnd *cmd) { - struct scatterlist *sgl = cmd->request_buffer; - struct scsi_host_sg_pool *sgp; - - /* - * if this is the biggest size sglist, check if we have - * chained parts we need to free - */ - if (cmd->__use_sg > SCSI_MAX_SG_SEGMENTS) { - unsigned short this, left; - struct scatterlist *next; - unsigned int index; - - left = cmd->__use_sg - (SCSI_MAX_SG_SEGMENTS - 1); - next = sg_chain_ptr(&sgl[SCSI_MAX_SG_SEGMENTS - 1]); - while (left && next) { - sgl = next; - this = left; - if (this > SCSI_MAX_SG_SEGMENTS) { - this = SCSI_MAX_SG_SEGMENTS - 1; - index = SG_MEMPOOL_NR - 1; - } else - index = scsi_sgtable_index(this); - - left -= this; - - sgp = scsi_sg_pools + index; - - if (left) - next = sg_chain_ptr(&sgl[sgp->size - 1]); - - mempool_free(sgl, sgp->pool); - } - - /* - * Restore original, will be freed below - */ - sgl = cmd->request_buffer; - sgp = scsi_sg_pools + SG_MEMPOOL_NR - 1; - } else - sgp = scsi_sg_pools + scsi_sgtable_index(cmd->__use_sg); - - mempool_free(sgl, sgp->pool); + __sg_free_table(&cmd->sg_table, SCSI_MAX_SG_SEGMENTS, scsi_sg_free); } EXPORT_SYMBOL(scsi_free_sgtable); @@ -987,7 +883,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) * are leftovers and there is some kind of error * (result != 0), retry the rest. */ - if (scsi_end_request(cmd, 1, good_bytes, result == 0) == NULL) + if (scsi_end_request(cmd, 0, good_bytes, result == 0) == NULL) return; /* good_bytes = 0, or (inclusive) there were leftovers and @@ -1001,7 +897,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) * and quietly refuse further access. */ cmd->device->changed = 1; - scsi_end_request(cmd, 0, this_count, 1); + scsi_end_request(cmd, -EIO, this_count, 1); return; } else { /* Must have been a power glitch, or a @@ -1033,7 +929,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) scsi_requeue_command(q, cmd); return; } else { - scsi_end_request(cmd, 0, this_count, 1); + scsi_end_request(cmd, -EIO, this_count, 1); return; } break; @@ -1061,7 +957,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) "Device not ready", &sshdr); - scsi_end_request(cmd, 0, this_count, 1); + scsi_end_request(cmd, -EIO, this_count, 1); return; case VOLUME_OVERFLOW: if (!(req->cmd_flags & REQ_QUIET)) { @@ -1071,7 +967,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) scsi_print_sense("", cmd); } /* See SSC3rXX or current. */ - scsi_end_request(cmd, 0, this_count, 1); + scsi_end_request(cmd, -EIO, this_count, 1); return; default: break; @@ -1092,7 +988,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) scsi_print_sense("", cmd); } } - scsi_end_request(cmd, 0, this_count, !result); + scsi_end_request(cmd, -EIO, this_count, !result); } /* @@ -1120,8 +1016,7 @@ static int scsi_init_io(struct scsi_cmnd *cmd) /* * If sg table allocation fails, requeue request later. */ - cmd->request_buffer = scsi_alloc_sgtable(cmd, GFP_ATOMIC); - if (unlikely(!cmd->request_buffer)) { + if (unlikely(scsi_alloc_sgtable(cmd, GFP_ATOMIC))) { scsi_unprep_request(req); return BLKPREP_DEFER; } diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c index 93ece8f4e5de..01e03f3f6ffa 100644 --- a/drivers/scsi/scsi_tgt_lib.c +++ b/drivers/scsi/scsi_tgt_lib.c @@ -359,8 +359,7 @@ static int scsi_tgt_init_cmd(struct scsi_cmnd *cmd, gfp_t gfp_mask) int count; cmd->use_sg = rq->nr_phys_segments; - cmd->request_buffer = scsi_alloc_sgtable(cmd, gfp_mask); - if (!cmd->request_buffer) + if (scsi_alloc_sgtable(cmd, gfp_mask)) return -ENOMEM; cmd->request_bufflen = rq->data_len; diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 17216b76efdc..aba28f335b88 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -48,6 +48,7 @@ static int sg_version_num = 30534; /* 2 digits for each component */ #include <linux/blkdev.h> #include <linux/delay.h> #include <linux/scatterlist.h> +#include <linux/blktrace_api.h> #include "scsi.h" #include <scsi/scsi_dbg.h> @@ -1067,6 +1068,17 @@ sg_ioctl(struct inode *inode, struct file *filp, case BLKSECTGET: return put_user(sdp->device->request_queue->max_sectors * 512, ip); + case BLKTRACESETUP: + return blk_trace_setup(sdp->device->request_queue, + sdp->disk->disk_name, + sdp->device->sdev_gendev.devt, + (char *)arg); + case BLKTRACESTART: + return blk_trace_startstop(sdp->device->request_queue, 1); + case BLKTRACESTOP: + return blk_trace_startstop(sdp->device->request_queue, 0); + case BLKTRACETEARDOWN: + return blk_trace_remove(sdp->device->request_queue); default: if (read_only) return -EPERM; /* don't know so take safe approach */ diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c index facb67855619..6a48dfa1efe8 100644 --- a/drivers/serial/21285.c +++ b/drivers/serial/21285.c @@ -277,6 +277,8 @@ serial21285_set_termios(struct uart_port *port, struct ktermios *termios, if (termios->c_iflag & INPCK) port->read_status_mask |= RXSTAT_FRAME | RXSTAT_PARITY; + tty_encode_baud_rate(tty, baud, baud); + /* * Which character status flags should we ignore? */ diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index abf05048c638..aaaea81e412a 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -153,6 +153,7 @@ config SPI_OMAP24XX config SPI_PXA2XX tristate "PXA2xx SSP SPI master" depends on SPI_MASTER && ARCH_PXA && EXPERIMENTAL + select PXA_SSP help This enables using a PXA2xx SSP port as a SPI master controller. The driver can be configured to use any SSP port and additional diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c index 1c2ab541d37d..eb817b8eb024 100644 --- a/drivers/spi/pxa2xx_spi.c +++ b/drivers/spi/pxa2xx_spi.c @@ -27,6 +27,7 @@ #include <linux/spi/spi.h> #include <linux/workqueue.h> #include <linux/delay.h> +#include <linux/clk.h> #include <asm/io.h> #include <asm/irq.h> @@ -36,6 +37,8 @@ #include <asm/arch/hardware.h> #include <asm/arch/pxa-regs.h> +#include <asm/arch/regs-ssp.h> +#include <asm/arch/ssp.h> #include <asm/arch/pxa2xx_spi.h> MODULE_AUTHOR("Stephen Street"); @@ -80,6 +83,9 @@ struct driver_data { /* Driver model hookup */ struct platform_device *pdev; + /* SSP Info */ + struct ssp_device *ssp; + /* SPI framework hookup */ enum pxa_ssp_type ssp_type; struct spi_master *master; @@ -778,6 +784,16 @@ int set_dma_burst_and_threshold(struct chip_data *chip, struct spi_device *spi, return retval; } +static unsigned int ssp_get_clk_div(struct ssp_device *ssp, int rate) +{ + unsigned long ssp_clk = clk_get_rate(ssp->clk); + + if (ssp->type == PXA25x_SSP) + return ((ssp_clk / (2 * rate) - 1) & 0xff) << 8; + else + return ((ssp_clk / rate - 1) & 0xfff) << 8; +} + static void pump_transfers(unsigned long data) { struct driver_data *drv_data = (struct driver_data *)data; @@ -785,6 +801,7 @@ static void pump_transfers(unsigned long data) struct spi_transfer *transfer = NULL; struct spi_transfer *previous = NULL; struct chip_data *chip = NULL; + struct ssp_device *ssp = drv_data->ssp; void *reg = drv_data->ioaddr; u32 clk_div = 0; u8 bits = 0; @@ -866,12 +883,7 @@ static void pump_transfers(unsigned long data) if (transfer->bits_per_word) bits = transfer->bits_per_word; - if (reg == SSP1_VIRT) - clk_div = SSP1_SerClkDiv(speed); - else if (reg == SSP2_VIRT) - clk_div = SSP2_SerClkDiv(speed); - else if (reg == SSP3_VIRT) - clk_div = SSP3_SerClkDiv(speed); + clk_div = ssp_get_clk_div(ssp, speed); if (bits <= 8) { drv_data->n_bytes = 1; @@ -1074,6 +1086,7 @@ static int setup(struct spi_device *spi) struct pxa2xx_spi_chip *chip_info = NULL; struct chip_data *chip; struct driver_data *drv_data = spi_master_get_devdata(spi->master); + struct ssp_device *ssp = drv_data->ssp; unsigned int clk_div; if (!spi->bits_per_word) @@ -1157,18 +1170,7 @@ static int setup(struct spi_device *spi) } } - if (drv_data->ioaddr == SSP1_VIRT) - clk_div = SSP1_SerClkDiv(spi->max_speed_hz); - else if (drv_data->ioaddr == SSP2_VIRT) - clk_div = SSP2_SerClkDiv(spi->max_speed_hz); - else if (drv_data->ioaddr == SSP3_VIRT) - clk_div = SSP3_SerClkDiv(spi->max_speed_hz); - else - { - dev_err(&spi->dev, "failed setup: unknown IO address=0x%p\n", - drv_data->ioaddr); - return -ENODEV; - } + clk_div = ssp_get_clk_div(ssp, spi->max_speed_hz); chip->speed_hz = spi->max_speed_hz; chip->cr0 = clk_div @@ -1183,15 +1185,15 @@ static int setup(struct spi_device *spi) /* NOTE: PXA25x_SSP _could_ use external clocking ... */ if (drv_data->ssp_type != PXA25x_SSP) - dev_dbg(&spi->dev, "%d bits/word, %d Hz, mode %d\n", + dev_dbg(&spi->dev, "%d bits/word, %ld Hz, mode %d\n", spi->bits_per_word, - (CLOCK_SPEED_HZ) + clk_get_rate(ssp->clk) / (1 + ((chip->cr0 & SSCR0_SCR) >> 8)), spi->mode & 0x3); else - dev_dbg(&spi->dev, "%d bits/word, %d Hz, mode %d\n", + dev_dbg(&spi->dev, "%d bits/word, %ld Hz, mode %d\n", spi->bits_per_word, - (CLOCK_SPEED_HZ/2) + clk_get_rate(ssp->clk) / (1 + ((chip->cr0 & SSCR0_SCR) >> 8)), spi->mode & 0x3); @@ -1323,14 +1325,14 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev) struct pxa2xx_spi_master *platform_info; struct spi_master *master; struct driver_data *drv_data = 0; - struct resource *memory_resource; - int irq; + struct ssp_device *ssp; int status = 0; platform_info = dev->platform_data; - if (platform_info->ssp_type == SSP_UNDEFINED) { - dev_err(&pdev->dev, "undefined SSP\n"); + ssp = ssp_request(pdev->id, pdev->name); + if (ssp == NULL) { + dev_err(&pdev->dev, "failed to request SSP%d\n", pdev->id); return -ENODEV; } @@ -1338,12 +1340,14 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev) master = spi_alloc_master(dev, sizeof(struct driver_data) + 16); if (!master) { dev_err(&pdev->dev, "can not alloc spi_master\n"); + ssp_free(ssp); return -ENOMEM; } drv_data = spi_master_get_devdata(master); drv_data->master = master; drv_data->master_info = platform_info; drv_data->pdev = pdev; + drv_data->ssp = ssp; master->bus_num = pdev->id; master->num_chipselect = platform_info->num_chipselect; @@ -1351,21 +1355,13 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev) master->setup = setup; master->transfer = transfer; - drv_data->ssp_type = platform_info->ssp_type; + drv_data->ssp_type = ssp->type; drv_data->null_dma_buf = (u32 *)ALIGN((u32)(drv_data + sizeof(struct driver_data)), 8); - /* Setup register addresses */ - memory_resource = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!memory_resource) { - dev_err(&pdev->dev, "memory resources not defined\n"); - status = -ENODEV; - goto out_error_master_alloc; - } - - drv_data->ioaddr = (void *)io_p2v((unsigned long)(memory_resource->start)); - drv_data->ssdr_physical = memory_resource->start + 0x00000010; - if (platform_info->ssp_type == PXA25x_SSP) { + drv_data->ioaddr = ssp->mmio_base; + drv_data->ssdr_physical = ssp->phys_base + SSDR; + if (ssp->type == PXA25x_SSP) { drv_data->int_cr1 = SSCR1_TIE | SSCR1_RIE; drv_data->dma_cr1 = 0; drv_data->clear_sr = SSSR_ROR; @@ -1377,15 +1373,7 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev) drv_data->mask_sr = SSSR_TINT | SSSR_RFS | SSSR_TFS | SSSR_ROR; } - /* Attach to IRQ */ - irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "irq resource not defined\n"); - status = -ENODEV; - goto out_error_master_alloc; - } - - status = request_irq(irq, ssp_int, 0, dev->bus_id, drv_data); + status = request_irq(ssp->irq, ssp_int, 0, dev->bus_id, drv_data); if (status < 0) { dev_err(&pdev->dev, "can not get IRQ\n"); goto out_error_master_alloc; @@ -1418,29 +1406,12 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev) goto out_error_dma_alloc; } - if (drv_data->ioaddr == SSP1_VIRT) { - DRCMRRXSSDR = DRCMR_MAPVLD - | drv_data->rx_channel; - DRCMRTXSSDR = DRCMR_MAPVLD - | drv_data->tx_channel; - } else if (drv_data->ioaddr == SSP2_VIRT) { - DRCMRRXSS2DR = DRCMR_MAPVLD - | drv_data->rx_channel; - DRCMRTXSS2DR = DRCMR_MAPVLD - | drv_data->tx_channel; - } else if (drv_data->ioaddr == SSP3_VIRT) { - DRCMRRXSS3DR = DRCMR_MAPVLD - | drv_data->rx_channel; - DRCMRTXSS3DR = DRCMR_MAPVLD - | drv_data->tx_channel; - } else { - dev_err(dev, "bad SSP type\n"); - goto out_error_dma_alloc; - } + DRCMR(ssp->drcmr_rx) = DRCMR_MAPVLD | drv_data->rx_channel; + DRCMR(ssp->drcmr_tx) = DRCMR_MAPVLD | drv_data->tx_channel; } /* Enable SOC clock */ - pxa_set_cken(platform_info->clock_enable, 1); + clk_enable(ssp->clk); /* Load default SSP configuration */ write_SSCR0(0, drv_data->ioaddr); @@ -1479,7 +1450,7 @@ out_error_queue_alloc: destroy_queue(drv_data); out_error_clock_enabled: - pxa_set_cken(platform_info->clock_enable, 0); + clk_disable(ssp->clk); out_error_dma_alloc: if (drv_data->tx_channel != -1) @@ -1488,17 +1459,18 @@ out_error_dma_alloc: pxa_free_dma(drv_data->rx_channel); out_error_irq_alloc: - free_irq(irq, drv_data); + free_irq(ssp->irq, drv_data); out_error_master_alloc: spi_master_put(master); + ssp_free(ssp); return status; } static int pxa2xx_spi_remove(struct platform_device *pdev) { struct driver_data *drv_data = platform_get_drvdata(pdev); - int irq; + struct ssp_device *ssp = drv_data->ssp; int status = 0; if (!drv_data) @@ -1520,28 +1492,21 @@ static int pxa2xx_spi_remove(struct platform_device *pdev) /* Disable the SSP at the peripheral and SOC level */ write_SSCR0(0, drv_data->ioaddr); - pxa_set_cken(drv_data->master_info->clock_enable, 0); + clk_disable(ssp->clk); /* Release DMA */ if (drv_data->master_info->enable_dma) { - if (drv_data->ioaddr == SSP1_VIRT) { - DRCMRRXSSDR = 0; - DRCMRTXSSDR = 0; - } else if (drv_data->ioaddr == SSP2_VIRT) { - DRCMRRXSS2DR = 0; - DRCMRTXSS2DR = 0; - } else if (drv_data->ioaddr == SSP3_VIRT) { - DRCMRRXSS3DR = 0; - DRCMRTXSS3DR = 0; - } + DRCMR(ssp->drcmr_rx) = 0; + DRCMR(ssp->drcmr_tx) = 0; pxa_free_dma(drv_data->tx_channel); pxa_free_dma(drv_data->rx_channel); } /* Release IRQ */ - irq = platform_get_irq(pdev, 0); - if (irq >= 0) - free_irq(irq, drv_data); + free_irq(ssp->irq, drv_data); + + /* Release SSP */ + ssp_free(ssp); /* Disconnect from the SPI framework */ spi_unregister_master(drv_data->master); @@ -1576,6 +1541,7 @@ static int suspend_devices(struct device *dev, void *pm_message) static int pxa2xx_spi_suspend(struct platform_device *pdev, pm_message_t state) { struct driver_data *drv_data = platform_get_drvdata(pdev); + struct ssp_device *ssp = drv_data->ssp; int status = 0; /* Check all childern for current power state */ @@ -1588,7 +1554,7 @@ static int pxa2xx_spi_suspend(struct platform_device *pdev, pm_message_t state) if (status != 0) return status; write_SSCR0(0, drv_data->ioaddr); - pxa_set_cken(drv_data->master_info->clock_enable, 0); + clk_disable(ssp->clk); return 0; } @@ -1596,10 +1562,11 @@ static int pxa2xx_spi_suspend(struct platform_device *pdev, pm_message_t state) static int pxa2xx_spi_resume(struct platform_device *pdev) { struct driver_data *drv_data = platform_get_drvdata(pdev); + struct ssp_device *ssp = drv_data->ssp; int status = 0; /* Enable the SSP clock */ - pxa_set_cken(drv_data->master_info->clock_enable, 1); + clk_disable(ssp->clk); /* Start the queue running */ status = start_queue(drv_data); diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index 7580aa5da0f8..7a6499008b89 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -33,6 +33,7 @@ config USB_ARCH_HAS_OHCI default y if ARCH_LH7A404 default y if ARCH_S3C2410 default y if PXA27x + default y if PXA3xx default y if ARCH_EP93XX default y if ARCH_AT91 default y if ARCH_PNX4008 diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index f81d08d6538b..77a3759d6fc7 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -308,7 +308,7 @@ config USB_S3C2410_DEBUG config USB_GADGET_AT91 boolean "AT91 USB Device Port" - depends on ARCH_AT91 && !ARCH_AT91SAM9RL + depends on ARCH_AT91 && !ARCH_AT91SAM9RL && !ARCH_AT91CAP9 select USB_GADGET_SELECTED help Many Atmel AT91 processors (such as the AT91RM2000) have a diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index ecfe800fd720..ddd4ee1f2413 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -997,7 +997,7 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ohci_hcd_lh7a404_driver #endif -#ifdef CONFIG_PXA27x +#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx) #include "ohci-pxa27x.c" #define PLATFORM_DRIVER ohci_hcd_pxa27x_driver #endif diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c index 23d2fe5a62f4..ff9a79843471 100644 --- a/drivers/usb/host/ohci-pxa27x.c +++ b/drivers/usb/host/ohci-pxa27x.c @@ -22,6 +22,7 @@ #include <linux/device.h> #include <linux/signal.h> #include <linux/platform_device.h> +#include <linux/clk.h> #include <asm/mach-types.h> #include <asm/hardware.h> @@ -32,6 +33,8 @@ #define UHCRHPS(x) __REG2( 0x4C000050, (x)<<2 ) +static struct clk *usb_clk; + /* PMM_NPS_MODE -- PMM Non-power switching mode Ports are powered continuously. @@ -80,7 +83,7 @@ static int pxa27x_start_hc(struct device *dev) inf = dev->platform_data; - pxa_set_cken(CKEN_USBHOST, 1); + clk_enable(usb_clk); UHCHR |= UHCHR_FHR; udelay(11); @@ -123,7 +126,7 @@ static void pxa27x_stop_hc(struct device *dev) UHCCOMS |= 1; udelay(10); - pxa_set_cken(CKEN_USBHOST, 0); + clk_disable(usb_clk); } @@ -158,6 +161,10 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device return -ENOMEM; } + usb_clk = clk_get(&pdev->dev, "USBCLK"); + if (IS_ERR(usb_clk)) + return PTR_ERR(usb_clk); + hcd = usb_create_hcd (driver, &pdev->dev, "pxa27x"); if (!hcd) return -ENOMEM; @@ -201,6 +208,7 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device release_mem_region(hcd->rsrc_start, hcd->rsrc_len); err1: usb_put_hcd(hcd); + clk_put(usb_clk); return retval; } @@ -225,6 +233,7 @@ void usb_hcd_pxa27x_remove (struct usb_hcd *hcd, struct platform_device *pdev) iounmap(hcd->regs); release_mem_region(hcd->rsrc_start, hcd->rsrc_len); usb_put_hcd(hcd); + clk_put(usb_clk); } /*-------------------------------------------------------------------------*/ diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 5b3dbcfcda48..758435f8a6f8 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -889,7 +889,7 @@ config FB_S1D13XXX config FB_ATMEL tristate "AT91/AT32 LCD Controller support" - depends on FB && (ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || AVR32) + depends on FB && (ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9 || AVR32) select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index 7c30cc8df71e..f8e711147501 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -30,7 +30,7 @@ #define ATMEL_LCDC_CVAL_DEFAULT 0xc8 #define ATMEL_LCDC_DMA_BURST_LEN 8 -#if defined(CONFIG_ARCH_AT91SAM9263) +#if defined(CONFIG_ARCH_AT91SAM9263) || defined(CONFIG_ARCH_AT91CAP9) #define ATMEL_LCDC_FIFO_SIZE 2048 #else #define ATMEL_LCDC_FIFO_SIZE 512 |
