Messages in this thread Patch in this message | | | From | AngeloGioacchino Del Regno <> | Subject | [PATCH v2 1/9] clk: qcom: gcc-sdm660: Mark MMSS NoC CFG AHB clock as critical | Date | Wed, 13 Jan 2021 19:38:09 +0100 |
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Similarly to MSM8998, any access to the MMSS depends on this clock. Gating it will crash the system when RPMCC inits mmssnoc_axi_rpm_clk.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org> --- drivers/clk/qcom/gcc-sdm660.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/clk/qcom/gcc-sdm660.c b/drivers/clk/qcom/gcc-sdm660.c index 31258795e7b8..3b7181d0ff71 100644 --- a/drivers/clk/qcom/gcc-sdm660.c +++ b/drivers/clk/qcom/gcc-sdm660.c @@ -1684,6 +1684,12 @@ static struct clk_branch gcc_mmss_noc_cfg_ahb_clk = { .hw.init = &(struct clk_init_data){ .name = "gcc_mmss_noc_cfg_ahb_clk", .ops = &clk_branch2_ops, + /* + * Any access to mmss depends on this clock. + * Gating this clock has been shown to crash the system + * when mmssnoc_axi_rpm_clk is inited in rpmcc. + */ + .flags = CLK_IS_CRITICAL, }, }, }; -- 2.29.2
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