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From:   Robert Marko <robimarko@gmail.com>
To:     bjorn.andersson@linaro.org, agross@kernel.org,
        konrad.dybcio@somainline.org, mturquette@baylibre.com,
        sboyd@kernel.org, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, linux-arm-msm@vger.kernel.org,
        linux-clk@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Cc:     Robert Marko <robimarko@gmail.com>,
        Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Subject: [PATCH v2 3/7] clk: qcom: apss-ipq6018: mark apcs_alias0_core_clk as critical
Date:   Mon, 11 Jul 2022 23:06:30 +0200
Message-Id: <20220711210634.3042092-3-robimarko@gmail.com>
In-Reply-To: <20220711210634.3042092-1-robimarko@gmail.com>
References: <20220711210634.3042092-1-robimarko@gmail.com>
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While fixing up the driver I noticed that my IPQ8074 board was hanging
after CPUFreq switched the frequency during boot, WDT would eventually
reset it.

So mark apcs_alias0_core_clk as critical since its the clock feeding the
CPU cluster and must never be disabled.

Fixes: 5e77b4ef1b19 ("clk: qcom: Add ipq6018 apss clock controller")
Signed-off-by: Robert Marko <robimarko@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/clk/qcom/apss-ipq6018.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/qcom/apss-ipq6018.c b/drivers/clk/qcom/apss-ipq6018.c
index be952d417ded..f2f502e2d5a4 100644
--- a/drivers/clk/qcom/apss-ipq6018.c
+++ b/drivers/clk/qcom/apss-ipq6018.c
@@ -56,7 +56,7 @@ static struct clk_branch apcs_alias0_core_clk = {
 			.parent_hws = (const struct clk_hw *[]){
 				&apcs_alias0_clk_src.clkr.hw },
 			.num_parents = 1,
-			.flags = CLK_SET_RATE_PARENT,
+			.flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
 			.ops = &clk_branch2_ops,
 		},
 	},
-- 
2.36.1