linux-kernel - Re: [Patch] cpufreq: replace cpu_logical_map with read_cpuid

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Message-ID: <20200820053945.xlwtpkvbt4o23flk@vireshk-i7>
Date:   Thu, 20 Aug 2020 11:09:45 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Sumit Gupta <sumitg@...dia.com>
Cc:     sudeep.holla@....com, rjw@...ysocki.net, catalin.marinas@....com,
        thierry.reding@...il.com, jonathanh@...dia.com,
        linux-pm@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        bbasu@...dia.com, wangkefeng.wang@...wei.com
Subject: Re: [Patch] cpufreq: replace cpu_logical_map with read_cpuid_mpir

On 12-08-20, 01:13, Sumit Gupta wrote:
> Commit eaecca9e7710 ("arm64: Fix __cpu_logical_map undefined issue")
> fixes the issue with building tegra194 cpufreq driver as module. But
> the fix might cause problem while supporting physical cpu hotplug[1].
> 
> This patch fixes the original problem by avoiding use of cpu_logical_map().
> Instead calling read_cpuid_mpidr() to get MPIDR on target cpu.
> 
> [1] https://lore.kernel.org/linux-arm-kernel/20200724131059.GB6521@bogus/
> 
> Reviewed-by: Sudeep Holla <sudeep.holla@....com>
> Signed-off-by: Sumit Gupta <sumitg@...dia.com>
> ---
>  drivers/cpufreq/tegra194-cpufreq.c | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)

Applied. Thanks.

-- 
viresh