diff options
Diffstat (limited to 'arch/cris/arch-v32')
-rw-r--r-- | arch/cris/arch-v32/drivers/cryptocop.c | 2 | ||||
-rw-r--r-- | arch/cris/arch-v32/drivers/pci/bios.c | 22 | ||||
-rw-r--r-- | arch/cris/arch-v32/lib/usercopy.c | 30 |
3 files changed, 10 insertions, 44 deletions
diff --git a/arch/cris/arch-v32/drivers/cryptocop.c b/arch/cris/arch-v32/drivers/cryptocop.c index ae6903d7fdbe..14970f11bbf2 100644 --- a/arch/cris/arch-v32/drivers/cryptocop.c +++ b/arch/cris/arch-v32/drivers/cryptocop.c @@ -2086,7 +2086,7 @@ static void cryptocop_job_queue_close(void) dma_in_cfg.en = regk_dma_no; REG_WR(dma, IN_DMA_INST, rw_cfg, dma_in_cfg); - /* Disble the cryptocop. */ + /* Disable the cryptocop. */ rw_cfg = REG_RD(strcop, regi_strcop, rw_cfg); rw_cfg.en = 0; REG_WR(strcop, regi_strcop, rw_cfg, rw_cfg); diff --git a/arch/cris/arch-v32/drivers/pci/bios.c b/arch/cris/arch-v32/drivers/pci/bios.c index 212266a2c5d9..394c2a73d5e2 100644 --- a/arch/cris/arch-v32/drivers/pci/bios.c +++ b/arch/cris/arch-v32/drivers/pci/bios.c @@ -14,28 +14,6 @@ void pcibios_set_master(struct pci_dev *dev) pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); } -int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine) -{ - unsigned long prot; - - /* Leave vm_pgoff as-is, the PCI space address is the physical - * address on this platform. - */ - prot = pgprot_val(vma->vm_page_prot); - vma->vm_page_prot = __pgprot(prot); - - /* Write-combine setting is ignored, it is changed via the mtrr - * interfaces on this platform. - */ - if (remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, - vma->vm_end - vma->vm_start, - vma->vm_page_prot)) - return -EAGAIN; - - return 0; -} - resource_size_t pcibios_align_resource(void *data, const struct resource *res, resource_size_t size, resource_size_t align) diff --git a/arch/cris/arch-v32/lib/usercopy.c b/arch/cris/arch-v32/lib/usercopy.c index 05e58dab800d..20b608026913 100644 --- a/arch/cris/arch-v32/lib/usercopy.c +++ b/arch/cris/arch-v32/lib/usercopy.c @@ -156,10 +156,9 @@ unsigned long __copy_user(void __user *pdst, const void *psrc, unsigned long pn) } EXPORT_SYMBOL(__copy_user); -/* Copy from user to kernel, zeroing the bytes that were inaccessible in - userland. The return-value is the number of bytes that were +/* Copy from user to kernel. The return-value is the number of bytes that were inaccessible. */ -unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, +unsigned long __copy_user_in(void *pdst, const void __user *psrc, unsigned long pn) { /* We want the parameters put in special registers. @@ -184,19 +183,18 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, { __asm_copy_from_user_1 (dst, src, retn); n--; + if (retn != 0) + goto exception; } if (((unsigned long) src & 2) && n >= 2) { __asm_copy_from_user_2 (dst, src, retn); n -= 2; + if (retn != 0) + goto exception; } - /* We only need one check after the unalignment-adjustments, because - if both adjustments were done, either both or neither reference - had an exception. */ - if (retn != 0) - goto copy_exception_bytes; } /* Movem is dirt cheap. The overheap is low enough to always use the @@ -279,7 +277,7 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, n -= 4; if (retn) - goto copy_exception_bytes; + goto exception; } /* If we get here, there were no memory read faults. */ @@ -307,20 +305,10 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, bytes. */ return retn; -copy_exception_bytes: - /* We already have "retn" bytes cleared, and need to clear the - remaining "n" bytes. A non-optimized simple byte-for-byte in-line - memset is preferred here, since this isn't speed-critical code and - we'd rather have this a leaf-function than calling memset. */ - { - char *endp; - for (endp = dst + n; dst < endp; dst++) - *dst = 0; - } - +exception: return retn + n; } -EXPORT_SYMBOL(__copy_user_zeroing); +EXPORT_SYMBOL(__copy_user_in); /* Zero userspace. */ unsigned long __do_clear_user(void __user *pto, unsigned long pn) |