clk: qcom: apss-ipq6018: mark apcs_alias0_core_clk as critical

[ Upstream commit 86e78995c93ee182433f965babfccd48417d4dcf ]

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>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220818220628.339366-3-robimarko@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/clk/qcom/apss-ipq6018.c b/drivers/clk/qcom/apss-ipq6018.c
index d78ff2f..b5d9365 100644 (file)
--- a/drivers/clk/qcom/apss-ipq6018.c
+++ b/drivers/clk/qcom/apss-ipq6018.c
@@ -57,7 +57,7 @@ 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,
                },
        },