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[PATCH] hid-core endianness annotations

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Al Viro 2007-03-14 09:19:50 +00:00 • committed by Linus Torvalds
parent 82c05a13c9
commit b87496aa49
1 changed files with 4 additions and 5 deletions
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9
drivers/hid/hid-core.c
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@ -753,8 +753,7 @@ static __inline__ __u32 extract(__u8 *report, unsigned offset, unsigned n)
report += offset >> 3; /* adjust byte index */ report += offset >> 3; /* adjust byte index */
offset &= 7; /* now only need bit offset into one byte */ offset &= 7; /* now only need bit offset into one byte */
x = get_unaligned((u64 *) report); x = le64_to_cpu(get_unaligned((__le64 *) report));
x = le64_to_cpu(x);
x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */ x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */
return (u32) x; return (u32) x;
} }
@ -769,7 +768,7 @@ static __inline__ __u32 extract(__u8 *report, unsigned offset, unsigned n)
*/ */
static __inline__ void implement(__u8 *report, unsigned offset, unsigned n, __u32 value) static __inline__ void implement(__u8 *report, unsigned offset, unsigned n, __u32 value)
{ {
u64 x; __le64 x;
u64 m = (1ULL << n) - 1; u64 m = (1ULL << n) - 1;
WARN_ON(n > 32); WARN_ON(n > 32);
@ -780,10 +779,10 @@ static __inline__ void implement(__u8 *report, unsigned offset, unsigned n, __u3
report += offset >> 3; report += offset >> 3;
offset &= 7; offset &= 7;
x = get_unaligned((u64 *)report); x = get_unaligned((__le64 *)report);
x &= cpu_to_le64(~(m << offset)); x &= cpu_to_le64(~(m << offset));
x |= cpu_to_le64(((u64) value) << offset); x |= cpu_to_le64(((u64) value) << offset);
put_unaligned(x, (u64 *) report); put_unaligned(x, (__le64 *) report);
} }
/* /*