diff options
Diffstat (limited to 'arch/mn10300')
| -rw-r--r-- | arch/mn10300/include/asm/dma-mapping.h | 65 | ||||
| -rw-r--r-- | arch/mn10300/include/asm/pgtable.h | 2 | ||||
| -rw-r--r-- | arch/mn10300/include/asm/ptrace.h | 2 | ||||
| -rw-r--r-- | arch/mn10300/include/asm/unistd.h | 2 | ||||
| -rw-r--r-- | arch/mn10300/kernel/entry.S | 2 | ||||
| -rw-r--r-- | arch/mn10300/kernel/sys_mn10300.c | 106 | ||||
| -rw-r--r-- | arch/mn10300/mm/mmu-context.c | 3 | ||||
| -rw-r--r-- | arch/mn10300/unit-asb2305/pci-asb2305.c | 16 | ||||
| -rw-r--r-- | arch/mn10300/unit-asb2305/pci.c | 6 |
9 files changed, 20 insertions, 184 deletions
diff --git a/arch/mn10300/include/asm/dma-mapping.h b/arch/mn10300/include/asm/dma-mapping.h index ccae8f6..4ed1522 100644 --- a/arch/mn10300/include/asm/dma-mapping.h +++ b/arch/mn10300/include/asm/dma-mapping.h @@ -17,6 +17,11 @@ #include <asm/cache.h> #include <asm/io.h> +/* + * See Documentation/DMA-API.txt for the description of how the + * following DMA API should work. + */ + extern void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, int flag); @@ -26,13 +31,6 @@ extern void dma_free_coherent(struct device *dev, size_t size, #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)) -/* - * 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. - */ static inline dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, enum dma_data_direction direction) @@ -42,14 +40,6 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, return virt_to_bus(ptr); } -/* - * 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) @@ -57,20 +47,6 @@ 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. - */ static inline int dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents, enum dma_data_direction direction) @@ -91,11 +67,6 @@ int dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents, return nents; } -/* - * 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) @@ -103,10 +74,6 @@ void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, BUG_ON(!valid_dma_direction(direction)); } -/* - * pci_{map,unmap}_single_page maps a kernel page to a dma_addr_t. identical - * to pci_map_single, but takes a struct page instead of a virtual address - */ static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, @@ -123,15 +90,6 @@ void dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size, BUG_ON(direction == DMA_NONE); } -/* - * 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 dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction direction) @@ -161,13 +119,6 @@ dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle, } -/* - * 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 dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, enum dma_data_direction direction) @@ -187,12 +138,6 @@ int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) return 0; } -/* - * Return whether the given PCI device DMA address mask can be supported - * properly. For example, if your device can only drive the low 24-bits during - * PCI bus mastering, then you would pass 0x00ffffff as the mask to this - * function. - */ static inline int dma_supported(struct device *dev, u64 mask) { diff --git a/arch/mn10300/include/asm/pgtable.h b/arch/mn10300/include/asm/pgtable.h index 6dc30fc..16d8857 100644 --- a/arch/mn10300/include/asm/pgtable.h +++ b/arch/mn10300/include/asm/pgtable.h @@ -466,7 +466,7 @@ static inline int set_kernel_exec(unsigned long vaddr, int enable) * the kernel page tables containing the necessary information by tlb-mn10300.S */ extern void update_mmu_cache(struct vm_area_struct *vma, - unsigned long address, pte_t pte); + unsigned long address, pte_t *ptep); #endif /* !__ASSEMBLY__ */ diff --git a/arch/mn10300/include/asm/ptrace.h b/arch/mn10300/include/asm/ptrace.h index 1b0ba5e..7c2e911 100644 --- a/arch/mn10300/include/asm/ptrace.h +++ b/arch/mn10300/include/asm/ptrace.h @@ -99,8 +99,6 @@ struct task_struct; extern void show_regs(struct pt_regs *); #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 */ diff --git a/arch/mn10300/include/asm/unistd.h b/arch/mn10300/include/asm/unistd.h index c05acb9..9d056f5 100644 --- a/arch/mn10300/include/asm/unistd.h +++ b/arch/mn10300/include/asm/unistd.h @@ -363,6 +363,7 @@ #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 @@ -375,6 +376,7 @@ #define __ARCH_WANT_SYS_LLSEEK #define __ARCH_WANT_SYS_NICE #define __ARCH_WANT_SYS_OLD_GETRLIMIT +#define __ARCH_WANT_SYS_OLD_SELECT #define __ARCH_WANT_SYS_OLDUMOUNT #define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPROCMASK diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S index 88e3e1c..d9ed5a1 100644 --- a/arch/mn10300/kernel/entry.S +++ b/arch/mn10300/kernel/entry.S @@ -468,7 +468,7 @@ ENTRY(sys_call_table) .long sys_settimeofday .long sys_getgroups16 /* 80 */ .long sys_setgroups16 - .long old_select + .long sys_old_select .long sys_symlink .long sys_lstat .long sys_readlink /* 85 */ diff --git a/arch/mn10300/kernel/sys_mn10300.c b/arch/mn10300/kernel/sys_mn10300.c index 17cc6ce..815f135 100644 --- a/arch/mn10300/kernel/sys_mn10300.c +++ b/arch/mn10300/kernel/sys_mn10300.c @@ -31,109 +31,3 @@ asmlinkage long old_mmap(unsigned long addr, unsigned long len, return -EINVAL; return sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT); } - -struct sel_arg_struct { - unsigned long n; - fd_set *inp; - fd_set *outp; - fd_set *exp; - struct timeval *tvp; -}; - -asmlinkage int old_select(struct sel_arg_struct __user *arg) -{ - struct sel_arg_struct a; - - if (copy_from_user(&a, arg, sizeof(a))) - return -EFAULT; - /* sys_select() does the appropriate kernel locking */ - return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp); -} - -/* - * sys_ipc() is the de-multiplexer for the SysV IPC calls.. - * - * This is really horribly ugly. - */ -asmlinkage long sys_ipc(uint call, int first, int second, - int third, void __user *ptr, 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 * __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 *) third); - } - case 1: /* iBCS2 emulator entry point */ - if (!segment_eq(get_fs(), get_ds())) - return -EINVAL; - 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 -EINVAL; - } -} diff --git a/arch/mn10300/mm/mmu-context.c b/arch/mn10300/mm/mmu-context.c index 31c9d27..36ba021 100644 --- a/arch/mn10300/mm/mmu-context.c +++ b/arch/mn10300/mm/mmu-context.c @@ -51,9 +51,10 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr) /* * preemptively set a TLB entry */ -void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t pte) +void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { unsigned long pteu, ptel, cnx, flags; + pte_t pte = *ptep; addr &= PAGE_MASK; ptel = pte_val(pte) & ~(xPTEL_UNUSED1 | xPTEL_UNUSED2); diff --git a/arch/mn10300/unit-asb2305/pci-asb2305.c b/arch/mn10300/unit-asb2305/pci-asb2305.c index 78cd134..d6119b8 100644 --- a/arch/mn10300/unit-asb2305/pci-asb2305.c +++ b/arch/mn10300/unit-asb2305/pci-asb2305.c @@ -31,9 +31,11 @@ * but we want to try to avoid allocating at 0x2900-0x2bff * which might have be mirrored at 0x0100-0x03ff.. */ -void pcibios_align_resource(void *data, struct resource *res, - resource_size_t size, resource_size_t align) +resource_size_t pcibios_align_resource(void *data, const struct resource *res, + resource_size_t size, resource_size_t align) { + resource_size_t start = res->start; + #if 0 struct pci_dev *dev = data; @@ -47,14 +49,10 @@ void pcibios_align_resource(void *data, struct resource *res, ); #endif - if (res->flags & IORESOURCE_IO) { - unsigned long start = res->start; + if ((res->flags & IORESOURCE_IO) && (start & 0x300)) + start = (start + 0x3ff) & ~0x3ff; - if (start & 0x300) { - start = (start + 0x3ff) & ~0x3ff; - res->start = start; - } - } + return start; } diff --git a/arch/mn10300/unit-asb2305/pci.c b/arch/mn10300/unit-asb2305/pci.c index 2cb7e75..6d8720a 100644 --- a/arch/mn10300/unit-asb2305/pci.c +++ b/arch/mn10300/unit-asb2305/pci.c @@ -331,12 +331,10 @@ static int __init pci_check_direct(void) static int __devinit is_valid_resource(struct pci_dev *dev, int idx) { unsigned int i, type_mask = IORESOURCE_IO | IORESOURCE_MEM; - struct resource *devr = &dev->resource[idx]; + struct resource *devr = &dev->resource[idx], *busr; if (dev->bus) { - for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) { - struct resource *busr = dev->bus->resource[i]; - + pci_bus_for_each_resource(dev->bus, busr, i) { if (!busr || (busr->flags ^ devr->flags) & type_mask) continue; |