[PATCH 8/8] clk: qcom: gcc-sm8150: Use PWRSTS_ON (only) as a workaround for emac gdsc

Bhupesh Sharma
2022-01-26T22:18:56Z

EMAC GDSC currently has issues (seen on SA8155p-ADP) when its
turn'ed ON, once its already in OFF state. So, use PWRSTS_ON
state (only) as a workaround for now.

Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
---
drivers/clk/qcom/gcc-sm8150.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/qcom/gcc-sm8150.c b/drivers/clk/qcom/gcc-sm8150.c
index 2e71afed81fd..fd7e931d3c09 100644
--- a/drivers/clk/qcom/gcc-sm8150.c
+++ b/drivers/clk/qcom/gcc-sm8150.c
@@ -3449,12 +3449,16 @@ static struct clk_branch gcc_video_xo_clk = {
},
};

+/* To Do: EMAC GDSC currently has issues when its turn'ed ON, once
+ * its already in OFF state. So use PWRSTS_ON state (only) as a
+ * workaround for now.
+ */
static struct gdsc emac_gdsc = {
.gdscr = 0x6004,
.pd = {
.name = "emac_gdsc",
},
- .pwrsts = PWRSTS_OFF_ON,
+ .pwrsts = PWRSTS_ON,
.flags = POLL_CFG_GDSCR,
};

--
2.34.1