From: Viresh Kumar <viresh.kumar@linaro.org>
To: Hector Yuan <hector.yuan@mediatek.com>
Cc: linux-mediatek@lists.infradead.org,
linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
linux-kernel@vger.kernel.org, wsd_upstream@mediatek.com
Subject: Re: [PATCH v1 1/1] cpufreq: mediatek-hw: Fix double devm_remap in hotplug case
Date: Mon, 27 Dec 2021 09:45:31 +0530 [thread overview]
Message-ID: <20211227041531.5w5lhrk4a7jzz64x@vireshk-i7> (raw)
In-Reply-To: <1635507743-17919-2-git-send-email-hector.yuan@mediatek.com>
On 29-10-21, 19:42, Hector Yuan wrote:
> From: "Hector.Yuan" <hector.yuan@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@mediatek.com>
> ---
> drivers/cpufreq/mediatek-cpufreq-hw.c | 33 ++++++++++++++++++++++++++++++---
> 1 file changed, 30 insertions(+), 3 deletions(-)
Applied. Thanks.
--
viresh
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prev parent reply other threads:[~2021-12-27 4:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-29 11:42 [PATCH v1] cpufreq: mediatek-hw: Fix double devm_remap in hotplug case Hector Yuan
2021-10-29 11:42 ` [PATCH v1 1/1] " Hector Yuan
2021-11-02 3:48 ` Viresh Kumar
2021-12-27 4:15 ` Viresh Kumar [this message]
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