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Groups > linux.kernel > #1185329
| From | Kamal Mostafa <kamal@canonical.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 3.19.y-ckt 114/251] regmap: Fix regmap_bulk_read in BE mode |
| Date | 2015-07-16 04:00 +0200 |
| Message-ID | <pMGCT-AY-29@gated-at.bofh.it> (permalink) |
| References | <pMFQu-86K-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
3.19.8-ckt4 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Arun Chandran <achandran@mvista.com> 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: Kamal Mostafa <kamal@canonical.com> --- drivers/base/regmap/regmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index ee731bb..a434df6 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -2317,7 +2317,7 @@ 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); } } -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH 3.19.y-ckt 114/251] regmap: Fix regmap_bulk_read in BE mode Kamal Mostafa <kamal@canonical.com> - 2015-07-16 04:00 +0200
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