diff options
Diffstat (limited to 'arch/frv')
| -rw-r--r-- | arch/frv/include/asm/dma-mapping.h | 41 | ||||
| -rw-r--r-- | arch/frv/include/asm/pci.h | 45 | ||||
| -rw-r--r-- | arch/frv/include/asm/ptrace.h | 2 | ||||
| -rw-r--r-- | arch/frv/include/asm/unistd.h | 1 | ||||
| -rw-r--r-- | arch/frv/kernel/sys_frv.c | 89 | ||||
| -rw-r--r-- | arch/frv/mb93090-mb00/pci-dma-nommu.c | 30 | ||||
| -rw-r--r-- | arch/frv/mb93090-mb00/pci-dma.c | 30 | ||||
| -rw-r--r-- | arch/frv/mb93090-mb00/pci-frv.c | 6 |
8 files changed, 8 insertions, 236 deletions
diff --git a/arch/frv/include/asm/dma-mapping.h b/arch/frv/include/asm/dma-mapping.h index b2898877c07b..6af5d83e2fb2 100644 --- a/arch/frv/include/asm/dma-mapping.h +++ b/arch/frv/include/asm/dma-mapping.h @@ -7,6 +7,11 @@ #include <asm/scatterlist.h> #include <asm/io.h> +/* + * See Documentation/DMA-API.txt for the description of how the + * following DMA API should work. + */ + #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) @@ -16,24 +21,9 @@ extern unsigned long __nongprelbss dma_coherent_mem_end; void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp); void dma_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle); -/* - * Map a single buffer of the indicated size for DMA in streaming mode. - * The 32-bit bus address to use is returned. - * - * Once the device is given the dma address, the device owns this memory - * until either pci_unmap_single or pci_dma_sync_single is performed. - */ extern dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, enum dma_data_direction direction); -/* - * Unmap a single streaming mode DMA translation. The dma_addr and size - * must match what was provided for in a previous pci_map_single call. All - * other usages are undefined. - * - * After this call, reads by the cpu to the buffer are guarenteed to see - * whatever the device wrote there. - */ static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, enum dma_data_direction direction) @@ -41,30 +31,9 @@ void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, BUG_ON(direction == DMA_NONE); } -/* - * Map a set of buffers described by scatterlist in streaming - * mode for DMA. This is the scather-gather version of the - * above pci_map_single interface. Here the scatter gather list - * elements are each tagged with the appropriate dma address - * and length. They are obtained via sg_dma_{address,length}(SG). - * - * NOTE: An implementation may be able to use a smaller number of - * DMA address/length pairs than there are SG table elements. - * (for example via virtual mapping capabilities) - * The routine returns the number of addr/length pairs actually - * used, at most nents. - * - * Device ownership issues as mentioned above for pci_map_single are - * the same here. - */ extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction); -/* - * Unmap a set of streaming mode DMA translations. - * Again, cpu read rules concerning calls here are the same as for - * pci_unmap_single() above. - */ static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, enum dma_data_direction direction) diff --git a/arch/frv/include/asm/pci.h b/arch/frv/include/asm/pci.h index 492b5c4dfed6..0d5997909850 100644 --- a/arch/frv/include/asm/pci.h +++ b/arch/frv/include/asm/pci.h @@ -43,14 +43,6 @@ extern void pci_free_consistent(struct pci_dev *hwdev, size_t size, /* Return the index of the PCI controller for device PDEV. */ #define pci_controller_num(PDEV) (0) -/* pci_unmap_{page,single} is a nop so... */ -#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) -#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) -#define pci_unmap_addr(PTR, ADDR_NAME) (0) -#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0) -#define pci_unmap_len(PTR, LEN_NAME) (0) -#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0) - #ifdef CONFIG_PCI static inline void pci_dma_burst_advice(struct pci_dev *pdev, enum pci_dma_burst_strategy *strat, @@ -68,41 +60,4 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, #define PCIBIOS_MIN_IO 0x100 #define PCIBIOS_MIN_MEM 0x00010000 -/* Make physical memory consistent for a single - * streaming mode DMA translation after a transfer. - * - * If you perform a pci_map_single() but wish to interrogate the - * buffer using the cpu, yet do not wish to teardown the PCI dma - * mapping, you must call this function before doing so. At the - * next point you give the PCI dma address back to the card, the - * device again owns the buffer. - */ -static inline void pci_dma_sync_single(struct pci_dev *hwdev, - dma_addr_t dma_handle, - size_t size, int direction) -{ - BUG_ON(direction == PCI_DMA_NONE); - - frv_cache_wback_inv((unsigned long)bus_to_virt(dma_handle), - (unsigned long)bus_to_virt(dma_handle) + size); -} - -/* Make physical memory consistent for a set of streaming - * mode DMA translations after a transfer. - * - * The same as pci_dma_sync_single but for a scatter-gather list, - * same rules and usage. - */ -static inline void pci_dma_sync_sg(struct pci_dev *hwdev, - struct scatterlist *sg, - int nelems, int direction) -{ - int i; - BUG_ON(direction == PCI_DMA_NONE); - - for (i = 0; i < nelems; i++) - frv_cache_wback_inv(sg_dma_address(&sg[i]), - sg_dma_address(&sg[i])+sg_dma_len(&sg[i])); -} - #endif /* _ASM_FRV_PCI_H */ diff --git a/arch/frv/include/asm/ptrace.h b/arch/frv/include/asm/ptrace.h index a54b535c9e49..6bfad4cf1907 100644 --- a/arch/frv/include/asm/ptrace.h +++ b/arch/frv/include/asm/ptrace.h @@ -84,8 +84,6 @@ extern void show_regs(struct pt_regs *); #define task_pt_regs(task) ((task)->thread.frame0) #define arch_has_single_step() (1) -extern void user_enable_single_step(struct task_struct *); -extern void user_disable_single_step(struct task_struct *); #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h index be6ef0f5cd42..b28da499e22a 100644 --- a/arch/frv/include/asm/unistd.h +++ b/arch/frv/include/asm/unistd.h @@ -354,6 +354,7 @@ #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_ALARM /* #define __ARCH_WANT_SYS_GETHOSTNAME */ +#define __ARCH_WANT_SYS_IPC #define __ARCH_WANT_SYS_PAUSE /* #define __ARCH_WANT_SYS_SGETMASK */ /* #define __ARCH_WANT_SYS_SIGNAL */ diff --git a/arch/frv/kernel/sys_frv.c b/arch/frv/kernel/sys_frv.c index 1d3d4c9e2521..9c4980825bbb 100644 --- a/arch/frv/kernel/sys_frv.c +++ b/arch/frv/kernel/sys_frv.c @@ -42,92 +42,3 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff >> (PAGE_SHIFT - 12)); } - -/* - * sys_ipc() is the de-multiplexer for the SysV IPC calls.. - * - * This is really horribly ugly. - */ -asmlinkage long sys_ipc(unsigned long call, - unsigned long first, - unsigned long second, - unsigned long third, - void __user *ptr, - unsigned long fifth) -{ - int version, ret; - - version = call >> 16; /* hack for backward compatibility */ - call &= 0xffff; - - switch (call) { - case SEMOP: - return sys_semtimedop(first, (struct sembuf __user *)ptr, second, NULL); - case SEMTIMEDOP: - return sys_semtimedop(first, (struct sembuf __user *)ptr, second, - (const struct timespec __user *)fifth); - - case SEMGET: - return sys_semget (first, second, third); - case SEMCTL: { - union semun fourth; - if (!ptr) - return -EINVAL; - if (get_user(fourth.__pad, (void * __user *) ptr)) - return -EFAULT; - return sys_semctl (first, second, third, fourth); - } - - case MSGSND: - return sys_msgsnd (first, (struct msgbuf __user *) ptr, - second, third); - case MSGRCV: - switch (version) { - case 0: { - struct ipc_kludge tmp; - if (!ptr) - return -EINVAL; - - if (copy_from_user(&tmp, - (struct ipc_kludge __user *) ptr, - sizeof (tmp))) - return -EFAULT; - return sys_msgrcv (first, tmp.msgp, second, - tmp.msgtyp, third); - } - default: - return sys_msgrcv (first, - (struct msgbuf __user *) ptr, - second, fifth, third); - } - case MSGGET: - return sys_msgget ((key_t) first, second); - case MSGCTL: - return sys_msgctl (first, second, (struct msqid_ds __user *) ptr); - - case SHMAT: - switch (version) { - default: { - ulong raddr; - ret = do_shmat (first, (char __user *) ptr, second, &raddr); - if (ret) - return ret; - return put_user (raddr, (ulong __user *) third); - } - case 1: /* iBCS2 emulator entry point */ - if (!segment_eq(get_fs(), get_ds())) - return -EINVAL; - /* The "(ulong *) third" is valid _only_ because of the kernel segment thing */ - return do_shmat (first, (char __user *) ptr, second, (ulong *) third); - } - case SHMDT: - return sys_shmdt ((char __user *)ptr); - case SHMGET: - return sys_shmget (first, second, third); - case SHMCTL: - return sys_shmctl (first, second, - (struct shmid_ds __user *) ptr); - default: - return -ENOSYS; - } -} diff --git a/arch/frv/mb93090-mb00/pci-dma-nommu.c b/arch/frv/mb93090-mb00/pci-dma-nommu.c index 4e1ba0b15443..e47857f889b6 100644 --- a/arch/frv/mb93090-mb00/pci-dma-nommu.c +++ b/arch/frv/mb93090-mb00/pci-dma-nommu.c @@ -106,13 +106,6 @@ void dma_free_coherent(struct device *hwdev, size_t size, void *vaddr, dma_addr_ EXPORT_SYMBOL(dma_free_coherent); -/* - * Map a single buffer of the indicated size for DMA in streaming mode. - * The 32-bit bus address to use is returned. - * - * Once the device is given the dma address, the device owns this memory - * until either dma_unmap_single or pci_dma_sync_single is performed. - */ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, enum dma_data_direction direction) { @@ -125,22 +118,6 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, EXPORT_SYMBOL(dma_map_single); -/* - * Map a set of buffers described by scatterlist in streaming - * mode for DMA. This is the scather-gather version of the - * above dma_map_single interface. Here the scatter gather list - * elements are each tagged with the appropriate dma address - * and length. They are obtained via sg_dma_{address,length}(SG). - * - * NOTE: An implementation may be able to use a smaller number of - * DMA address/length pairs than there are SG table elements. - * (for example via virtual mapping capabilities) - * The routine returns the number of addr/length pairs actually - * used, at most nents. - * - * Device ownership issues as mentioned above for dma_map_single are - * the same here. - */ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction) { @@ -157,13 +134,6 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, EXPORT_SYMBOL(dma_map_sg); -/* - * Map a single page of the indicated size for DMA in streaming mode. - * The 32-bit bus address to use is returned. - * - * Device ownership issues as mentioned above for dma_map_single are - * the same here. - */ dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction direction) { diff --git a/arch/frv/mb93090-mb00/pci-dma.c b/arch/frv/mb93090-mb00/pci-dma.c index 45954f0813dc..2c912e805162 100644 --- a/arch/frv/mb93090-mb00/pci-dma.c +++ b/arch/frv/mb93090-mb00/pci-dma.c @@ -38,13 +38,6 @@ void dma_free_coherent(struct device *hwdev, size_t size, void *vaddr, dma_addr_ EXPORT_SYMBOL(dma_free_coherent); -/* - * Map a single buffer of the indicated size for DMA in streaming mode. - * The 32-bit bus address to use is returned. - * - * Once the device is given the dma address, the device owns this memory - * until either pci_unmap_single or pci_dma_sync_single is performed. - */ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, enum dma_data_direction direction) { @@ -57,22 +50,6 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, EXPORT_SYMBOL(dma_map_single); -/* - * Map a set of buffers described by scatterlist in streaming - * mode for DMA. This is the scather-gather version of the - * above dma_map_single interface. Here the scatter gather list - * elements are each tagged with the appropriate dma address - * and length. They are obtained via sg_dma_{address,length}(SG). - * - * NOTE: An implementation may be able to use a smaller number of - * DMA address/length pairs than there are SG table elements. - * (for example via virtual mapping capabilities) - * The routine returns the number of addr/length pairs actually - * used, at most nents. - * - * Device ownership issues as mentioned above for dma_map_single are - * the same here. - */ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction) { @@ -103,13 +80,6 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, EXPORT_SYMBOL(dma_map_sg); -/* - * Map a single page of the indicated size for DMA in streaming mode. - * The 32-bit bus address to use is returned. - * - * Device ownership issues as mentioned above for dma_map_single are - * the same here. - */ dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction direction) { diff --git a/arch/frv/mb93090-mb00/pci-frv.c b/arch/frv/mb93090-mb00/pci-frv.c index 1ed15d7fea20..6b4fb28e9f99 100644 --- a/arch/frv/mb93090-mb00/pci-frv.c +++ b/arch/frv/mb93090-mb00/pci-frv.c @@ -41,7 +41,7 @@ pcibios_align_resource(void *data, const struct resource *res, if ((res->flags & IORESOURCE_IO) && (start & 0x300)) start = (start + 0x3ff) & ~0x3ff; - return start + return start; } @@ -94,8 +94,7 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list) r = &dev->resource[idx]; if (!r->start) continue; - if (pci_claim_resource(dev, idx) < 0) - printk(KERN_ERR "PCI: Cannot allocate resource region %d of bridge %s\n", idx, pci_name(dev)); + pci_claim_resource(dev, idx); } } pcibios_allocate_bus_resources(&bus->children); @@ -125,7 +124,6 @@ static void __init pcibios_allocate_resources(int pass) DBG("PCI: Resource %08lx-%08lx (f=%lx, d=%d, p=%d)\n", r->start, r->end, r->flags, disabled, pass); if (pci_claim_resource(dev, idx) < 0) { - printk(KERN_ERR "PCI: Cannot allocate resource region %d of device %s\n", idx, pci_name(dev)); /* We'll assign a new address later */ r->end -= r->start; r->start = 0; |
