linux-kernel - [PATCH] clk: qcom: gcc-qcs615: Fix gcc_sdcc2_apps_clk

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Message-Id: <20250729094943.863392-1-Richa.Bharti@siemens.com>
Date: Tue, 29 Jul 2025 15:19:43 +0530
From: Richa Bharti <Richa.Bharti@...mens.com>
To: andersson@...nel.org,
	mturquette@...libre.com,
	sboyd@...nel.org
Cc: linux-arm-msm@...r.kernel.org,
	linux-clk@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	srikanth.krishnakar@...mens.com,
	cedric.hombourger@...mens.com,
	Richa Bharti <Richa.Bharti@...mens.com>
Subject: [PATCH] clk: qcom: gcc-qcs615: Fix gcc_sdcc2_apps_clk_src

On QCS615, we see the same issue as reported on SM8250 and SM6350:
"gcc_sdcc2_apps_clk_src: rcg didn't update its configuration" during boot.
This is due to GPLL7 not being enabled by default as a parent clock.

Setting `.flags = CLK_OPS_PARENT_ENABLE` ensures that the parent (GPLL7)
gets prepared and enabled when switching to it, fixing the warning.

Fixes: 39d6dcf67fe9 ("clk: qcom: gcc: Add support for QCS615 GCC clocks")
Signed-off-by: Richa Bharti <Richa.Bharti@...mens.com>
---
This change is similar to upstream commits:
- SM8250: 783cb693828c ("clk: qcom: gcc-sm8250: Fix
  gcc_sdcc2_apps_clk_src")
- SM6350: df04d166d1f3 ("clk: qcom: gcc-sm6350: Fix
  gcc_sdcc2_apps_clk_src")
---
 drivers/clk/qcom/gcc-qcs615.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/clk/qcom/gcc-qcs615.c b/drivers/clk/qcom/gcc-qcs615.c
index 9695446bc2a3..b281f0dfe165 100644
--- a/drivers/clk/qcom/gcc-qcs615.c
+++ b/drivers/clk/qcom/gcc-qcs615.c
@@ -830,6 +830,7 @@ static struct clk_rcg2 gcc_sdcc2_apps_clk_src = {
 		.name = "gcc_sdcc2_apps_clk_src",
 		.parent_data = gcc_parent_data_8,
 		.num_parents = ARRAY_SIZE(gcc_parent_data_8),
+		.flags = CLK_OPS_PARENT_ENABLE,
 		.ops = &clk_rcg2_floor_ops,
 	},
 };
-- 
2.39.5