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author | Arun Chandran <achandran@mvista.com> | 2015-06-15 15:59:02 +0530 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-08-03 09:29:51 -0700 |
commit | 97e83aca6ed024ddeb15d04696a40fa694a3e445 (patch) | |
tree | 18cb5878f1fc6df7bc967657a0b8efc33f122bf5 /drivers/base | |
parent | dff5d6ed2aa052706a6cb877aa27f4c6b9e70f05 (diff) | |
download | lwn-97e83aca6ed024ddeb15d04696a40fa694a3e445.tar.gz lwn-97e83aca6ed024ddeb15d04696a40fa694a3e445.zip |
regmap: Fix regmap_bulk_read in BE mode
commit 15b8d2c41fe5839582029f65c5f7004db451cc2b upstream.
In big endian mode regmap_bulk_read gives incorrect data
for byte reads.
This is because memcpy of a single byte from an address
after full word read gives different results when
endianness differs. ie. we get little-end in LE and big-end in BE.
Signed-off-by: Arun Chandran <achandran@mvista.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base')
-rw-r--r-- | drivers/base/regmap/regmap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 2f9a3d8ecbbf..8f824622cf4b 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -1947,7 +1947,7 @@ int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val, &ival); if (ret != 0) return ret; - memcpy(val + (i * val_bytes), &ival, val_bytes); + map->format.format_val(val + (i * val_bytes), ival, 0); } } |