[media] rtl2832: disable regmap register cache

Caching register reads causes some random I/O errors on channel
change. Disable caching now in order to avoid those errors.

Reverts partly commit dcadb82

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c
index 5d2d8f45b4b6..67faa8d6950e 100644
--- a/drivers/media/dvb-frontends/rtl2832.c
+++ b/drivers/media/dvb-frontends/rtl2832.c
@@ -1240,7 +1240,7 @@ static int rtl2832_probe(struct i2c_client *client,
         dev->regmap_config.max_register = 5 * 0x100,
         dev->regmap_config.ranges = regmap_range_cfg,
         dev->regmap_config.num_ranges = ARRAY_SIZE(regmap_range_cfg),
-        dev->regmap_config.cache_type = REGCACHE_RBTREE,
+        dev->regmap_config.cache_type = REGCACHE_NONE,
         dev->regmap = regmap_init(&client->dev, &regmap_bus, client,
                                   &dev->regmap_config);
         if (IS_ERR(dev->regmap)) {