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authorDwaipayan Ray <dwaipayanray1@gmail.com>2021-07-16 16:58:52 +0530
committerMartin K. Petersen <martin.petersen@oracle.com>2021-08-01 13:39:17 -0400
commit33529018294f1eabc6b5bb2672941165e658e96a (patch)
treef68caaefd73dd4f2c9fc3948cabe60eb2ee95e5c /drivers/scsi/wd33c93.c
parent2127cd21fb78c6e22d92944253afd967b0ff774d (diff)
downloadlwn-33529018294f1eabc6b5bb2672941165e658e96a.tar.gz
lwn-33529018294f1eabc6b5bb2672941165e658e96a.zip
scsi: qla4xxx: Convert uses of __constant_cpu_to_<foo> to cpu_to_<foo>
The macros cpu_to_le16() and cpu_to_le32() have special cases for constants. Their __constant_<foo> versions are not required. On little endian systems, both cpu_to_le16() and __constant_cpu_to_le16() expand to the same expression. Same is the case with cpu_to_le32(). On big endian systems, cpu_to_le16() expands to __swab16() which has a __builtin_constant_p check. Similarly, cpu_to_le32() expands to __swab32(). Consequently these macros can be safely used with constants, and hence all those uses are converted. This was discovered as a part of a checkpatch evaluation, looking at all reports of WARNING:CONSTANT_CONVERSION error type. Link: https://lore.kernel.org/r/20210716112852.24598-1-dwaipayanray1@gmail.com Signed-off-by: Dwaipayan Ray <dwaipayanray1@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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