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x86: PAT: fixed checkpatch errors (and whitespaces)

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x86: PAT: fixed checkpatch errors (and whitespaces)

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Andreas Herrmann 2008-06-10 16:05:39 +02:00 committed by Ingo Molnar
parent 97cfab6ac4
commit cd7a4e936d
3 changed files with 16 additions and 21 deletions
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2
arch/x86/kernel/cpu/addon_cpuid_features.c
View file

@ -1,9 +1,7 @@
/*
* Routines to indentify additional cpu features that are scattered in
* cpuid space.
*/
#include <linux/cpu.h>
#include <asm/pat.h>

29
arch/x86/mm/pat.c
View file

@ -66,7 +66,7 @@ enum {
PAT_UC_MINUS = 7, /* UC, but can be overriden by MTRR */
};
#define PAT(x,y) ((u64)PAT_ ## y << ((x)*8))
#define PAT(x, y) ((u64)PAT_ ## y << ((x)*8))
void pat_init(void)
{
@ -100,8 +100,8 @@ void pat_init(void)
* 011 UC _PAGE_CACHE_UC
* PAT bit unused
*/
pat = PAT(0,WB) | PAT(1,WC) | PAT(2,UC_MINUS) | PAT(3,UC) |
PAT(4,WB) | PAT(5,WC) | PAT(6,UC_MINUS) | PAT(7,UC);
pat = PAT(0, WB) | PAT(1, WC) | PAT(2, UC_MINUS) | PAT(3, UC) |
PAT(4, WB) | PAT(5, WC) | PAT(6, UC_MINUS) | PAT(7, UC);
/* Boot CPU check */
if (!boot_pat_state)
@ -117,11 +117,11 @@ void pat_init(void)
static char *cattr_name(unsigned long flags)
{
switch (flags & _PAGE_CACHE_MASK) {
case _PAGE_CACHE_UC: return "uncached";
case _PAGE_CACHE_UC_MINUS: return "uncached-minus";
case _PAGE_CACHE_WB: return "write-back";
case _PAGE_CACHE_WC: return "write-combining";
default: return "broken";
case _PAGE_CACHE_UC: return "uncached";
case _PAGE_CACHE_UC_MINUS: return "uncached-minus";
case _PAGE_CACHE_WB: return "write-back";
case _PAGE_CACHE_WC: return "write-combining";
default: return "broken";
}
}
@ -536,11 +536,11 @@ int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn,
* we maintain the tradition of paranoia in this code.
*/
if (!pat_wc_enabled &&
! ( boot_cpu_has(X86_FEATURE_MTRR) ||
boot_cpu_has(X86_FEATURE_K6_MTRR) ||
boot_cpu_has(X86_FEATURE_CYRIX_ARR) ||
boot_cpu_has(X86_FEATURE_CENTAUR_MCR)) &&
(pfn << PAGE_SHIFT) >= __pa(high_memory)) {
!(boot_cpu_has(X86_FEATURE_MTRR) ||
boot_cpu_has(X86_FEATURE_K6_MTRR) ||
boot_cpu_has(X86_FEATURE_CYRIX_ARR) ||
boot_cpu_has(X86_FEATURE_CENTAUR_MCR)) &&
(pfn << PAGE_SHIFT) >= __pa(high_memory)) {
flags = _PAGE_CACHE_UC;
}
#endif
@ -562,7 +562,7 @@ int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn,
return 0;
if (pfn <= max_pfn_mapped &&
ioremap_change_attr((unsigned long)__va(offset), size, flags) < 0) {
ioremap_change_attr((unsigned long)__va(offset), size, flags) < 0) {
free_memtype(offset, offset + size);
printk(KERN_INFO
"%s:%d /dev/mem ioremap_change_attr failed %s for %Lx-%Lx\n",
@ -600,4 +600,3 @@ void unmap_devmem(unsigned long pfn, unsigned long size, pgprot_t vma_prot)
free_memtype(addr, addr + size);
}

6
include/asm-x86/pat.h
View file

@ -1,6 +1,5 @@
#ifndef _ASM_PAT_H
#define _ASM_PAT_H 1
#define _ASM_PAT_H
#include <linux/types.h>
@ -8,7 +7,7 @@
extern int pat_wc_enabled;
extern void validate_pat_support(struct cpuinfo_x86 *c);
#else
static const int pat_wc_enabled = 0;
static const int pat_wc_enabled;
static inline void validate_pat_support(struct cpuinfo_x86 *c) { }
#endif
@ -21,4 +20,3 @@ extern int free_memtype(u64 start, u64 end);
extern void pat_disable(char *reason);
#endif