Commit 2d49b598 authored Aug 05, 2013 by Lars-Peter Clausen Committed by Mark Brown Aug 05, 2013

regmap: cache: Make sure to sync the last register in a block



regcache_sync_block_raw_flush() expects the address of the register after last
register that needs to be synced as its parameter. But the last call to
regcache_sync_block_raw_flush() in regcache_sync_block_raw() passes the address
of the last register in the block. This effectively always skips over the last
register in a block, even if it needs to be synced. In order to fix it increase
the address by one register.

The issue was introduced in commit 75a5f89f ("regmap: cache: Write consecutive
registers in a single block write").

Cc: stable@vger.kernel.org # 3.10+
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>

parent c095ba72

drivers/base/regmap/regcache.c

+2 −1

Original line number	Original line	Diff line number	Diff line
	@@ -719,7 +719,8 @@ static int regcache_sync_block_raw(struct regmap map, void block,
	}		}
	}		}

	return regcache_sync_block_raw_flush(map, &data, base, regtmp);		return regcache_sync_block_raw_flush(map, &data, base, regtmp +
			map->reg_stride);
	}		}

	int regcache_sync_block(struct regmap map, void block,		int regcache_sync_block(struct regmap map, void block,