Messages in this thread | | | Subject | Re: [PATCH v7 11/20] cpufreq: tegra124: Add suspend and resume support | From | Sowjanya Komatineni <> | Date | Thu, 1 Aug 2019 10:51:40 -0700 |
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On 7/31/19 10:40 PM, Viresh Kumar wrote: > On 31-07-19, 14:10, Sowjanya Komatineni wrote: >> This patch adds suspend and resume pm ops for cpufreq driver. >> >> PLLP is the safe clock source for CPU during system suspend and >> resume as PLLP rate is below the CPU Fmax at Vmin. >> >> CPUFreq driver suspend switches the CPU clock source to PLLP and >> disables the DFLL clock. >> >> During system resume, warmboot code powers up the CPU with PLLP >> clock source. So CPUFreq driver resume enabled DFLL clock and >> switches CPU back to DFLL clock source. >> >> Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com> >> --- >> drivers/cpufreq/tegra124-cpufreq.c | 60 ++++++++++++++++++++++++++++++++++++++ >> 1 file changed, 60 insertions(+) > Is there any hard dependency of this patch on the rest of the patches? > Can I apply it alone to cpufreq tree ? > This patch cannot be applied alone as it has dependency on dfll clock suspend and resume sequence.
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