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Date: Mon, 5 Mar 2012 23:32:09 +0000 From: Mark Brown <broonie@...nsource.wolfsonmicro.com> To: linux-kernel@...r.kernel.org Cc: patches@...nsource.wolfsonmicro.com, Mark Brown <broonie@...nsource.wolfsonmicro.com> Subject: [PATCH] regcache: Make sure we sync register 0 in an rbtree cache Most of the current users have register 0 as a volatile register or don't have a register 0 so it's not been apparent that it's not getting synced. Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com> --- drivers/base/regmap/regcache-rbtree.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c index 313c20f..8d51916 100644 --- a/drivers/base/regmap/regcache-rbtree.c +++ b/drivers/base/regmap/regcache-rbtree.c @@ -396,7 +396,7 @@ static int regcache_rbtree_sync(struct regmap *map, unsigned int min, /* Is this the hardware default? If so skip. */ ret = regcache_lookup_reg(map, i); - if (ret > 0 && val == map->reg_defaults[ret].def) + if (ret >= 0 && val == map->reg_defaults[ret].def) continue; map->cache_bypass = 1; -- 1.7.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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