On 10/16/2017 11:12 PM, Krzysztof Hałasa wrote:
Bitmask for the MIPI CSI-2 data PHY status doesn't seem to be correct.
Fix it.
Signed-off-by: Krzysztof Hałasa <khal...@piap.pl>
--- a/drivers/staging/media/imx/imx6-mipi-csi2.c
+++ b/drivers/staging/media/imx/imx6-mipi-csi2.c
@@ -252,8 +252,8 @@ static int csi2_dphy_wait_stopstate(struct csi2_dev *csi2)
u32 mask, reg;
int ret;
- mask = PHY_STOPSTATECLK |
- ((csi2->bus.num_data_lanes - 1) << PHY_STOPSTATEDATA_BIT);
+ mask = PHY_STOPSTATECLK | (((1 << csi2->bus.num_data_lanes) - 1) <<
+ PHY_STOPSTATEDATA_BIT);
ret = readl_poll_timeout(csi2->base + CSI2_PHY_STATE, reg,
(reg & mask) == mask, 0, 500000);
Thanks for catching.
Reviewed-by: Steve Longerbeam <steve_longerb...@mentor.com>
