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tile: fix some -Wsign-compare warnings

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Normally the build doesn't include these warnings, but at one
point I built with -Wsign-compare, and noticed a few things that
are technically bugs.  This change fixes those things.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
This commit is contained in:
Chris Metcalf 2013-08-09 16:53:50 -04:00
parent e56059f2d3
commit 6fbeee29a2
3 changed files with 6 additions and 6 deletions
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6
arch/tile/include/asm/io.h
View File

@ -255,7 +255,7 @@ static inline void writeq(u64 val, unsigned long addr)
static inline void memset_io(volatile void *dst, int val, size_t len)
{
int x;
size_t x;
BUG_ON((unsigned long)dst & 0x3);
val = (val & 0xff) * 0x01010101;
for (x = 0; x < len; x += 4)
@ -265,7 +265,7 @@ static inline void memset_io(volatile void *dst, int val, size_t len)
static inline void memcpy_fromio(void *dst, const volatile void __iomem *src,
size_t len)
{
int x;
size_t x;
BUG_ON((unsigned long)src & 0x3);
for (x = 0; x < len; x += 4)
*(u32 *)(dst + x) = readl(src + x);
@ -274,7 +274,7 @@ static inline void memcpy_fromio(void *dst, const volatile void __iomem *src,
static inline void memcpy_toio(volatile void __iomem *dst, const void *src,
size_t len)
{
int x;
size_t x;
BUG_ON((unsigned long)dst & 0x3);
for (x = 0; x < len; x += 4)
writel(*(u32 *)(src + x), dst + x);

2
arch/tile/include/asm/mmzone.h
View File

@ -42,7 +42,7 @@ static inline int pfn_to_nid(unsigned long pfn)
#define kern_addr_valid(kaddr) virt_addr_valid((void *)kaddr)
static inline int pfn_valid(int pfn)
static inline int pfn_valid(unsigned long pfn)
{
int nid = pfn_to_nid(pfn);

4
arch/tile/include/asm/spinlock_64.h
View File

@ -27,7 +27,7 @@
* Return the "current" portion of a ticket lock value,
* i.e. the number that currently owns the lock.
*/
static inline int arch_spin_current(u32 val)
static inline u32 arch_spin_current(u32 val)
{
return val >> __ARCH_SPIN_CURRENT_SHIFT;
}
@ -36,7 +36,7 @@ static inline int arch_spin_current(u32 val)
* Return the "next" portion of a ticket lock value,
* i.e. the number that the next task to try to acquire the lock will get.
*/
static inline int arch_spin_next(u32 val)
static inline u32 arch_spin_next(u32 val)
{
return val & __ARCH_SPIN_NEXT_MASK;
}