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regmap: shift wrapping bugs in 64 bit code
We should cast these to 64bit so that we don't truncate away the high
bits.
Fixes: afcc00b91f
('regmap: add 64-bit mode support')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
parent
8b7663de6e
commit
01c377bfe2
1 changed files with 3 additions and 3 deletions
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@ -250,20 +250,20 @@ static void regmap_format_64_be(void *buf, unsigned int val, unsigned int shift)
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{
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__be64 *b = buf;
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b[0] = cpu_to_be64(val << shift);
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b[0] = cpu_to_be64((u64)val << shift);
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}
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static void regmap_format_64_le(void *buf, unsigned int val, unsigned int shift)
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{
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__le64 *b = buf;
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b[0] = cpu_to_le64(val << shift);
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b[0] = cpu_to_le64((u64)val << shift);
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}
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static void regmap_format_64_native(void *buf, unsigned int val,
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unsigned int shift)
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{
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*(u64 *)buf = val << shift;
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*(u64 *)buf = (u64)val << shift;
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}
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#endif
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