linux-kernel - [PATCH] clk: qcom: gpucc-sm8350: Park RCG's clk source at XO during disable

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Date: Fri, 21 Jun 2024 17:34:23 +0530
From: Taniya Das <quic_tdas@...cinc.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Michael Turquette
	<mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Jonathan Marek
	<jonathan@...ek.ca>,
        Robert Foss <rfoss@...nel.org>, Vinod Koul
	<vkoul@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        "Dmitry
 Baryshkov" <dmitry.baryshkov@...aro.org>
CC: <quic_jkona@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <linux-clk@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Taniya Das
	<quic_tdas@...cinc.com>
Subject: [PATCH] clk: qcom: gpucc-sm8350: Park RCG's clk source at XO
 during disable

The RCG's clk src has to be parked at XO while disabling as per the
HW recommendation, hence use clk_rcg2_shared_ops to achieve the same.

Fixes: 160758b05ab1 ("clk: qcom: add support for SM8350 GPUCC")
Signed-off-by: Taniya Das <quic_tdas@...cinc.com>
---
 drivers/clk/qcom/gpucc-sm8350.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/qcom/gpucc-sm8350.c b/drivers/clk/qcom/gpucc-sm8350.c
index f6bb8244dd40..f3b6bdc24485 100644
--- a/drivers/clk/qcom/gpucc-sm8350.c
+++ b/drivers/clk/qcom/gpucc-sm8350.c
@@ -2,6 +2,7 @@
 /*
  * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
  * Copyright (c) 2022, Linaro Limited
+ * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #include <linux/clk.h>
@@ -147,7 +148,7 @@ static struct clk_rcg2 gpu_cc_gmu_clk_src = {
 		.parent_data = gpu_cc_parent_data_0,
 		.num_parents = ARRAY_SIZE(gpu_cc_parent_data_0),
 		.flags = CLK_SET_RATE_PARENT,
-		.ops = &clk_rcg2_ops,
+		.ops = &clk_rcg2_shared_ops,
 	},
 };
 
@@ -169,7 +170,7 @@ static struct clk_rcg2 gpu_cc_hub_clk_src = {
 		.parent_data = gpu_cc_parent_data_1,
 		.num_parents = ARRAY_SIZE(gpu_cc_parent_data_1),
 		.flags = CLK_SET_RATE_PARENT,
-		.ops = &clk_rcg2_ops,
+		.ops = &clk_rcg2_shared_ops,
 	},
 };
 

---
base-commit: b992b79ca8bc336fa8e2c80990b5af80ed8f36fd
change-id: 20240621-sm8350-gpucc-fixes-5d3ba4dda230

Best regards,
-- 
Taniya Das <quic_tdas@...cinc.com>