From 6e6ace00a045251bd172b9b9c2379857bbff3dc7 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sun, 9 Oct 2011 13:23:31 +0100 Subject: regmap: Return a sensible error code if we fail to read the cache 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 Acked-by: Dimitris Papastamos --- drivers/base/regmap/regcache.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/base/regmap/regcache.c') diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index c5379c86de88..409abd282c6c 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -378,7 +378,7 @@ int regcache_lookup_reg(struct regmap *map, unsigned int reg) if (r) return r - map->reg_defaults; else - return -1; + return -ENOENT; } int regcache_insert_reg(struct regmap *map, unsigned int reg, -- cgit v1.2.3