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authorLars-Peter Clausen <lars@metafoo.de>2011-11-16 16:28:19 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-11-16 17:34:53 +0000
commit19254411db4e69d90958244c5017e7e4a38547b0 (patch)
treefd45ca553cb7aef1c4665b6a28df92818d8ce507 /Documentation/btmrvl.txt
parent720e4616e8fd85284ef1addd8b8d93d8415e8dbc (diff)
downloadlinux-19254411db4e69d90958244c5017e7e4a38547b0.tar.gz
regmap: Try cached read before checking if a hardware read is possible
For some register format types we do not provide a parse_val so we can not do a
hardware read. But a cached read is still possible, so try to read from the
cache first, before checking whether a hardware read is possible. Otherwise the
cache becomes pretty useless for these register types.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'Documentation/btmrvl.txt')
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