diff options
| -rw-r--r-- | drivers/mmc/tifm_sd.c | 98 |
1 files changed, 50 insertions, 48 deletions
diff --git a/drivers/mmc/tifm_sd.c b/drivers/mmc/tifm_sd.c index 85a5974318b4..37fe0c3ecb85 100644 --- a/drivers/mmc/tifm_sd.c +++ b/drivers/mmc/tifm_sd.c @@ -118,7 +118,7 @@ static void tifm_sd_kunmap_atomic(char *buffer, struct mmc_data *data) } static int tifm_sd_transfer_data(struct tifm_dev *sock, struct tifm_sd *host, - unsigned int host_status) + unsigned int host_status) { struct mmc_command *cmd = host->req->cmd; unsigned int t_val = 0, cnt = 0; @@ -159,7 +159,7 @@ static int tifm_sd_transfer_data(struct tifm_dev *sock, struct tifm_sd *host, t_val |= ((buffer[host->buffer_pos++]) << 8) & 0xff00; writel(t_val, - sock->addr + SOCK_MMCSD_DATA); + sock->addr + SOCK_MMCSD_DATA); } } } @@ -220,7 +220,7 @@ static void tifm_sd_exec(struct tifm_sd *host, struct mmc_command *cmd) cmd_mask |= TIFM_MMCSD_READ; dev_dbg(&sock->dev, "executing opcode 0x%x, arg: 0x%x, mask: 0x%x\n", - cmd->opcode, cmd->arg, cmd_mask); + cmd->opcode, cmd->arg, cmd_mask); writel((cmd->arg >> 16) & 0xffff, sock->addr + SOCK_MMCSD_ARG_HIGH); writel(cmd->arg & 0xffff, sock->addr + SOCK_MMCSD_ARG_LOW); @@ -324,7 +324,7 @@ change_state: /* Called from interrupt handler */ static unsigned int tifm_sd_signal_irq(struct tifm_dev *sock, - unsigned int sock_irq_status) + unsigned int sock_irq_status) { struct tifm_sd *host; unsigned int host_status = 0, fifo_status = 0; @@ -350,11 +350,11 @@ static unsigned int tifm_sd_signal_irq(struct tifm_dev *sock, if (host_status & TIFM_MMCSD_ERRMASK) { if (host_status & TIFM_MMCSD_CERR) error_code = MMC_ERR_FAILED; - else if (host_status & - (TIFM_MMCSD_CTO | TIFM_MMCSD_DTO)) + else if (host_status + & (TIFM_MMCSD_CTO | TIFM_MMCSD_DTO)) error_code = MMC_ERR_TIMEOUT; - else if (host_status & - (TIFM_MMCSD_CCRC | TIFM_MMCSD_DCRC)) + else if (host_status + & (TIFM_MMCSD_CCRC | TIFM_MMCSD_DCRC)) error_code = MMC_ERR_BADCRC; writel(TIFM_FIFO_INT_SETALL, @@ -382,8 +382,8 @@ static unsigned int tifm_sd_signal_irq(struct tifm_dev *sock, if (host_status & TIFM_MMCSD_CB) host->flags |= CARD_BUSY; - if ((host_status & TIFM_MMCSD_EOFB) && - (host->flags & CARD_BUSY)) { + if ((host_status & TIFM_MMCSD_EOFB) + && (host->flags & CARD_BUSY)) { host->written_blocks++; host->flags &= ~CARD_BUSY; } @@ -393,22 +393,23 @@ static unsigned int tifm_sd_signal_irq(struct tifm_dev *sock, tifm_sd_process_cmd(sock, host, host_status); done: dev_dbg(&sock->dev, "host_status %x, fifo_status %x\n", - host_status, fifo_status); + host_status, fifo_status); spin_unlock(&sock->lock); return sock_irq_status; } -static void tifm_sd_prepare_data(struct tifm_sd *card, struct mmc_command *cmd) +static void tifm_sd_prepare_data(struct tifm_sd *host, struct mmc_command *cmd) { - struct tifm_dev *sock = card->dev; + struct tifm_dev *sock = host->dev; unsigned int dest_cnt; /* DMA style IO */ - + dev_dbg(&sock->dev, "setting dma for %d blocks\n", + cmd->data->blocks); writel(TIFM_FIFO_INT_SETALL, - sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR); + sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR); writel(ilog2(cmd->data->blksz) - 2, - sock->addr + SOCK_FIFO_PAGE_SIZE); + sock->addr + SOCK_FIFO_PAGE_SIZE); writel(TIFM_FIFO_ENABLE, sock->addr + SOCK_FIFO_CONTROL); writel(TIFM_FIFO_INTMASK, sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET); @@ -422,7 +423,7 @@ static void tifm_sd_prepare_data(struct tifm_sd *card, struct mmc_command *cmd) if (cmd->data->flags & MMC_DATA_WRITE) { writel(TIFM_MMCSD_TXDE, sock->addr + SOCK_MMCSD_BUFFER_CONFIG); writel(dest_cnt | TIFM_DMA_TX | TIFM_DMA_EN, - sock->addr + SOCK_DMA_CONTROL); + sock->addr + SOCK_DMA_CONTROL); } else { writel(TIFM_MMCSD_RXDE, sock->addr + SOCK_MMCSD_BUFFER_CONFIG); writel(dest_cnt | TIFM_DMA_EN, sock->addr + SOCK_DMA_CONTROL); @@ -430,7 +431,7 @@ static void tifm_sd_prepare_data(struct tifm_sd *card, struct mmc_command *cmd) } static void tifm_sd_set_data_timeout(struct tifm_sd *host, - struct mmc_data *data) + struct mmc_data *data) { struct tifm_dev *sock = host->dev; unsigned int data_timeout = data->timeout_clks; @@ -448,7 +449,7 @@ static void tifm_sd_set_data_timeout(struct tifm_sd *host, sock->addr + SOCK_MMCSD_SDIO_MODE_CONFIG); } else { data_timeout = (data_timeout >> 10) + 1; - if(data_timeout > 0xffff) + if (data_timeout > 0xffff) data_timeout = 0; /* set to unlimited */ writel(data_timeout, sock->addr + SOCK_MMCSD_DATA_TO); writel(TIFM_MMCSD_DPE @@ -499,7 +500,7 @@ static void tifm_sd_request(struct mmc_host *mmc, struct mmc_request *mrq) mod_timer(&host->timer, jiffies + host->timeout_jiffies); host->state = CMD; writel(TIFM_CTRL_LED | readl(sock->addr + SOCK_CONTROL), - sock->addr + SOCK_CONTROL); + sock->addr + SOCK_CONTROL); tifm_sd_exec(host, mrq->cmd); spin_unlock_irqrestore(&sock->lock, flags); return; @@ -539,8 +540,8 @@ static void tifm_sd_end_cmd(unsigned long data) r_data = mrq->cmd->data; if (r_data) { if (r_data->flags & MMC_DATA_WRITE) { - r_data->bytes_xfered = host->written_blocks * - r_data->blksz; + r_data->bytes_xfered = host->written_blocks + * r_data->blksz; } else { r_data->bytes_xfered = r_data->blocks - readl(sock->addr + SOCK_MMCSD_NUM_BLOCKS) - 1; @@ -554,7 +555,7 @@ static void tifm_sd_end_cmd(unsigned long data) } writel((~TIFM_CTRL_LED) & readl(sock->addr + SOCK_CONTROL), - sock->addr + SOCK_CONTROL); + sock->addr + SOCK_CONTROL); spin_unlock_irqrestore(&sock->lock, flags); mmc_request_done(mmc, mrq); @@ -582,14 +583,14 @@ static void tifm_sd_request_nodma(struct mmc_host *mmc, struct mmc_request *mrq) if (r_data) { tifm_sd_set_data_timeout(host, r_data); - host->buffer_size = mrq->cmd->data->blocks * - mrq->cmd->data->blksz; + host->buffer_size = mrq->cmd->data->blocks + * mrq->cmd->data->blksz; - writel(TIFM_MMCSD_BUFINT | - readl(sock->addr + SOCK_MMCSD_INT_ENABLE), + writel(TIFM_MMCSD_BUFINT + | readl(sock->addr + SOCK_MMCSD_INT_ENABLE), sock->addr + SOCK_MMCSD_INT_ENABLE); - writel(((TIFM_MMCSD_FIFO_SIZE - 1) << 8) | - (TIFM_MMCSD_FIFO_SIZE - 1), + writel(((TIFM_MMCSD_FIFO_SIZE - 1) << 8) + | (TIFM_MMCSD_FIFO_SIZE - 1), sock->addr + SOCK_MMCSD_BUFFER_CONFIG); host->written_blocks = 0; @@ -603,7 +604,7 @@ static void tifm_sd_request_nodma(struct mmc_host *mmc, struct mmc_request *mrq) mod_timer(&host->timer, jiffies + host->timeout_jiffies); host->state = CMD; writel(TIFM_CTRL_LED | readl(sock->addr + SOCK_CONTROL), - sock->addr + SOCK_CONTROL); + sock->addr + SOCK_CONTROL); tifm_sd_exec(host, mrq->cmd); spin_unlock_irqrestore(&sock->lock, flags); return; @@ -642,8 +643,8 @@ static void tifm_sd_end_cmd_nodma(unsigned long data) sock->addr + SOCK_MMCSD_INT_ENABLE); if (r_data->flags & MMC_DATA_WRITE) { - r_data->bytes_xfered = host->written_blocks * - r_data->blksz; + r_data->bytes_xfered = host->written_blocks + * r_data->blksz; } else { r_data->bytes_xfered = r_data->blocks - readl(sock->addr + SOCK_MMCSD_NUM_BLOCKS) - 1; @@ -656,7 +657,7 @@ static void tifm_sd_end_cmd_nodma(unsigned long data) } writel((~TIFM_CTRL_LED) & readl(sock->addr + SOCK_CONTROL), - sock->addr + SOCK_CONTROL); + sock->addr + SOCK_CONTROL); spin_unlock_irqrestore(&sock->lock, flags); @@ -707,9 +708,9 @@ static void tifm_sd_ios(struct mmc_host *mmc, struct mmc_ios *ios) writel(TIFM_MMCSD_4BBUS | readl(sock->addr + SOCK_MMCSD_CONFIG), sock->addr + SOCK_MMCSD_CONFIG); } else { - writel((~TIFM_MMCSD_4BBUS) & - readl(sock->addr + SOCK_MMCSD_CONFIG), - sock->addr + SOCK_MMCSD_CONFIG); + writel((~TIFM_MMCSD_4BBUS) + & readl(sock->addr + SOCK_MMCSD_CONFIG), + sock->addr + SOCK_MMCSD_CONFIG); } if (ios->clock) { @@ -728,23 +729,24 @@ static void tifm_sd_ios(struct mmc_host *mmc, struct mmc_ios *ios) if ((20000000 / clk_div1) > (24000000 / clk_div2)) { host->clk_freq = 20000000; host->clk_div = clk_div1; - writel((~TIFM_CTRL_FAST_CLK) & - readl(sock->addr + SOCK_CONTROL), - sock->addr + SOCK_CONTROL); + writel((~TIFM_CTRL_FAST_CLK) + & readl(sock->addr + SOCK_CONTROL), + sock->addr + SOCK_CONTROL); } else { host->clk_freq = 24000000; host->clk_div = clk_div2; - writel(TIFM_CTRL_FAST_CLK | - readl(sock->addr + SOCK_CONTROL), - sock->addr + SOCK_CONTROL); + writel(TIFM_CTRL_FAST_CLK + | readl(sock->addr + SOCK_CONTROL), + sock->addr + SOCK_CONTROL); } } else { host->clk_div = 0; } host->clk_div &= TIFM_MMCSD_CLKMASK; - writel(host->clk_div | ((~TIFM_MMCSD_CLKMASK) & - readl(sock->addr + SOCK_MMCSD_CONFIG)), - sock->addr + SOCK_MMCSD_CONFIG); + writel(host->clk_div + | ((~TIFM_MMCSD_CLKMASK) + & readl(sock->addr + SOCK_MMCSD_CONFIG)), + sock->addr + SOCK_MMCSD_CONFIG); if (ios->bus_mode == MMC_BUSMODE_OPENDRAIN) host->flags |= OPENDRAIN; @@ -855,8 +857,8 @@ static int tifm_sd_probe(struct tifm_dev *sock) struct tifm_sd *host; int rc = -EIO; - if (!(TIFM_SOCK_STATE_OCCUPIED & - readl(sock->addr + SOCK_PRESENT_STATE))) { + if (!(TIFM_SOCK_STATE_OCCUPIED + & readl(sock->addr + SOCK_PRESENT_STATE))) { printk(KERN_WARNING DRIVER_NAME ": card gone, unexpectedly\n"); return rc; } @@ -914,7 +916,7 @@ static void tifm_sd_remove(struct tifm_dev *sock) /* The meaning of the bit majority in this constant is unknown. */ writel(0xfff8 & readl(sock->addr + SOCK_CONTROL), - sock->addr + SOCK_CONTROL); + sock->addr + SOCK_CONTROL); tifm_set_drvdata(sock, NULL); mmc_free_host(mmc); |
