[PATCH v1 1/1] cpufreq: mediatek-hw: Fix double devm_remap in hotplug case

Viresh Kumar viresh.kumar at linaro.org
Sun Dec 26 20:15:31 PST 2021


On 29-10-21, 19:42, Hector Yuan wrote:
> From: "Hector.Yuan" <hector.yuan at mediatek.com>
> 
> When hotpluging policy cpu, cpu policy init will be called multiple times.
> Unplug CPU7 -> CPU6 -> CPU5 -> CPU4, then plug CPU4 again.
> In this case, devm_remap will double remap and resource allocate fail.
> So replace devm_remap to ioremap and release resources in cpu policy exit.
> 
> Signed-off-by: Hector.Yuan <hector.yuan at mediatek.com>
> ---
>  drivers/cpufreq/mediatek-cpufreq-hw.c |   33 ++++++++++++++++++++++++++++++---
>  1 file changed, 30 insertions(+), 3 deletions(-)

Applied. Thanks.

-- 
viresh



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