regmap: Return a sensible error code if we fail to read the cache

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If a register isn't cached then let callers know that so they can fall
back or error handle appropriately.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>

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Mark Brown 2011-10-09 13:23:31 +01:00

parent f094fea68f

commit 6e6ace00a0

4 changed files with 7 additions and 9 deletions

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7

drivers/base/regmap/regcache-indexed.c

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4

drivers/base/regmap/regcache-lzo.c

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3

drivers/base/regmap/regcache-rbtree.c

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2

drivers/base/regmap/regcache.c

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