diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2008-02-04 16:48:05 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-02-04 16:48:05 +0100 |
| commit | e66aadbe6cb90813b3bbf07e3bc2a6aedcef7cd1 (patch) | |
| tree | ae186137ded635db61277066779976d6673d85a0 /arch/x86/mm/ioremap.c | |
| parent | 63c1dcf4bc9a26b1d8baa9a8c7cc1b2e1e694011 (diff) | |
x86: simplify __ioremap
Remove tons of castings which make the code hard to read.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/ioremap.c')
| -rw-r--r-- | arch/x86/mm/ioremap.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 1a88d1572a77..2c3fa7189503 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -114,9 +114,8 @@ static int ioremap_change_attr(unsigned long paddr, unsigned long size, static void __iomem *__ioremap(unsigned long phys_addr, unsigned long size, enum ioremap_mode mode) { - void __iomem *addr; + unsigned long pfn, offset, last_addr, vaddr; struct vm_struct *area; - unsigned long pfn, offset, last_addr; pgprot_t prot; /* Don't allow wraparound or zero size */ @@ -164,19 +163,18 @@ static void __iomem *__ioremap(unsigned long phys_addr, unsigned long size, if (!area) return NULL; area->phys_addr = phys_addr; - addr = (void __iomem *) area->addr; - if (ioremap_page_range((unsigned long)addr, (unsigned long)addr + size, - phys_addr, prot)) { - remove_vm_area((void *)(PAGE_MASK & (unsigned long) addr)); + vaddr = (unsigned long) area->addr; + if (ioremap_page_range(vaddr, vaddr + size, phys_addr, prot)) { + remove_vm_area((void *)(vaddr & PAGE_MASK)); return NULL; } if (ioremap_change_attr(phys_addr, size, mode) < 0) { - vunmap(addr); + vunmap(area->addr); return NULL; } - return (void __iomem *) (offset + (char __iomem *)addr); + return (void __iomem *) (vaddr + offset); } /** |