From 5ba913b3fca8579d43c24d220d2f579cf3e992af Mon Sep 17 00:00:00 2001 From: Todor Tomov Date: Wed, 25 Jul 2018 12:38:16 -0400 Subject: [PATCH] media: camss: csiphy: Ensure clock mux config is done before the rest Add a write memory barier after clock mux config and before the rest of the csiphy config. Signed-off-by: Todor Tomov Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/qcom/camss/camss-csiphy.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c index b37e691..2a9adcd 100644 --- a/drivers/media/platform/qcom/camss/camss-csiphy.c +++ b/drivers/media/platform/qcom/camss/camss-csiphy.c @@ -364,6 +364,7 @@ static int csiphy_stream_on(struct csiphy_device *csiphy) val |= cfg->csid_id; } writel_relaxed(val, csiphy->base_clk_mux); + wmb(); writel_relaxed(0x1, csiphy->base + CAMSS_CSI_PHY_GLBL_T_INIT_CFG0); -- 2.7.4