diff options
| author | Jeffrey Hugo <jhugo@codeaurora.org> | 2018-12-13 23:43:40 +0100 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2018-12-14 22:41:03 +0100 |
| commit | 12eced09cd301aa7b1868a67c50a651c2aacd363 (patch) | |
| tree | cce56daffd0b88b24852949335d27990d7e0c492 /drivers/clk/qcom | |
| parent | clk: qcom: Add missing msm8998 resets (diff) | |
| download | linux-12eced09cd301aa7b1868a67c50a651c2aacd363.tar.xz linux-12eced09cd301aa7b1868a67c50a651c2aacd363.zip | |
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 <jhugo@codeaurora.org>
Fixes: 4807c71cc688 (arm64: dts: Add msm8998 SoC and MTP board support)
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/qcom')
| -rw-r--r-- | drivers/clk/qcom/gcc-msm8998.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/clk/qcom/gcc-msm8998.c b/drivers/clk/qcom/gcc-msm8998.c index f3c2ab4bf42a..b0c4b3874120 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, }, }, }; |