From: Stefan Agner <stefan@agner•ch>
To: Sudeep Holla <sudeep.holla@arm•com>
Cc: mark.rutland@arm•com, lorenzo.pieralisi@arm•com,
linux-kernel@vger•kernel.org,
Stefan Agner <stefan.agner@toradex•com>,
linux-arm-kernel@lists•infradead.org
Subject: Re: [PATCH] drivers: firmware: psci: use kernel restart handler functionality
Date: Mon, 14 Oct 2019 14:07:48 +0200 [thread overview]
Message-ID: <312b244bfacca2f2b3f9b7d7e9462464@agner.ch> (raw)
In-Reply-To: <20191014100756.GA4028@bogus>
Hi Sudeep,
On 2019-10-14 12:07, Sudeep Holla wrote:
> On Sat, Oct 12, 2019 at 11:47:35PM +0200, Stefan Agner wrote:
>> From: Stefan Agner <stefan.agner@toradex•com>
>>
>> Use the kernels restart handler to register the PSCI system reset
>> capability. The restart handler use notifier chains along with
>> priorities. This allows to use restart handlers with higher priority
>> (in case available) while still supporting PSCI.
>>
>> Since the ARM handler had priority over the kernels restart handler
>> before this patch, use a slightly elevated priority of 160 to make
>> sure PSCI is used before most of the other handlers are called.
>>
>
> There's an attempt(rather pull request[1]) to consolidate these into new
> system power/restart handler.
Oh thanks for the pointer! Interesting timing :-)
--
Stefan
>
> --
> Regards,
> Sudeep
>
> [1]
> https://lore.kernel.org/linux-arm-kernel/20191002131228.4085560-1-thierry.reding@gmail.com
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prev parent reply other threads:[~2019-10-14 12:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-12 21:47 [PATCH] drivers: firmware: psci: use kernel restart handler functionality Stefan Agner
2019-10-14 10:07 ` Sudeep Holla
2019-10-14 12:07 ` Stefan Agner [this message]
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