[PATCH v2 4/5] clk: qcom: gcc-msm8996: Mark gcc_mmss_noc_cfg_ahb_clk as a critical clock
Stephen Boyd
sboyd at codeaurora.org
Fri Jul 28 09:40:58 PDT 2017
On 07/28, Rajendra Nayak wrote:
>
> On 07/28/2017 04:21 AM, Stephen Boyd wrote:
> > On 07/20, Rajendra Nayak wrote:
> >> we have gcc_mmss_noc_cfg_ahb_clk marked with a CLK_IGNORE_UNUSED. While
> >> this can prevent it from being disabled while its unused, it does not
> >> prevent it from being disabled when a child derived from the clock calls
> >> an explicit enable/disable.
> >
> > Do you mean the config_noc_clk_src is being disabled? Who is
>
> I think the issue I saw was after I switched the parent from
> config_noc_clk_src to the RPM controlled cnoc_clk. That had to
> be kept voted, else some other ahb clock derived from it being
> disabled was causing the vote on cnoc_clk to be dropped.
Hmm ok. Maybe we have some sort of bus driver vote from the
multimedia clk driver in downstream code? Let me check.
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
More information about the linux-arm-kernel
mailing list