regmap: Fix rbtree block base in sync
Otherwise we'll end up running with bogus register numbers.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c
index bae183c..313c20f 100644
--- a/drivers/base/regmap/regcache-rbtree.c
+++ b/drivers/base/regmap/regcache-rbtree.c
@@ -379,7 +379,7 @@
if (rbnode->base_reg + rbnode->blklen < min)
continue;
- if (min < rbnode->base_reg + rbnode->blklen)
+ if (min > rbnode->base_reg)
base = min - rbnode->base_reg;
else
base = 0;