From: Jeffrey Hugo Date: Thu, 13 Dec 2018 22:43:40 +0000 (-0700) Subject: clk: qcom: Leave mmss noc on for 8998 X-Git-Tag: v5.15~7257^2~5^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=12eced09cd301aa7b1868a67c50a651c2aacd363;p=platform%2Fkernel%2Flinux-starfive.git clk: qcom: Leave mmss noc on for 8998 Similar to other qcom targets, gcc_mmss_noc_cfg_ahb_clk should not be disabled. Any mmss access depends on this clock, and its been observed that enabling mmssnoc_axi_rpm_clk with rpmcc results in an implicit access to mmss and will crash the system if gcc_mmss_noc_cfg_ahb_clk is disabled. Signed-off-by: Jeffrey Hugo Fixes: 4807c71cc688 (arm64: dts: Add msm8998 SoC and MTP board support) Signed-off-by: Stephen Boyd --- diff --git a/drivers/clk/qcom/gcc-msm8998.c b/drivers/clk/qcom/gcc-msm8998.c index f3c2ab4..b0c4b38 100644 --- a/drivers/clk/qcom/gcc-msm8998.c +++ b/drivers/clk/qcom/gcc-msm8998.c @@ -2027,6 +2027,12 @@ 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, }, }, };