From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 4 Mar 2015 14:29:17 +0000 (+0100)
Subject: regmap: Skip read-only registers in regcache_sync()
X-Git-Tag: omap-for-v4.1/fixes-rc1~314^2^4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4ceba98d3fe204c59e5f63c4d834b45dcfe789f0;p=pandora-kernel.git

regmap: Skip read-only registers in regcache_sync()

regcache_sync() spews warnings when a value was cached for a read-only
register as it tries to write all registers no matter whether they are
writable or not.  This patch adds regmap_wrtieable() checks for
avoiding it in regcache_sync_block_single() and regcache_block_raw().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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