# \[PATCH v2 1/5\] clk: qcom: clk-alpha-pll: Increase PLL lock detect poll time

- From: Taniya Das \<hidden\>
- Date: 2021-12-20 16:44:21 
- List: linux-devicetree
- Page: https://ratatoskr.run/linux-devicetree/2021/12/1614622
- Thread: https://ratatoskr.run/linux-arm-msm/2021/12/1614621/t.md

```text
PLL poll for lock detection can take more than 100us for certain type
of Lucid PLLs and also the new PLLs types(Lucid EVO), thus update to 200us.

Signed-off-by: Taniya Das <redacted>
---
 drivers/clk/qcom/clk-alpha-pll.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c
index 0bbfc4d..4406cf6 100644
--- a/drivers/clk/qcom/clk-alpha-pll.c
+++ b/drivers/clk/qcom/clk-alpha-pll.c
@@ -223,7 +223,7 @@ static int wait_for_pll(struct clk_alpha_pll *pll, u32 mask, bool inverse,
 	if (ret)
 		return ret;

-	for (count = 100; count > 0; count--) {
+	for (count = 200; count > 0; count--) {
 		ret = regmap_read(pll->clkr.regmap, PLL_MODE(pll), &val);
 		if (ret)
 			return ret;
--
Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member
of the Code Aurora Forum, hosted by the  Linux Foundation.

```