From: Sudeep Holla <sudeep.holla@arm.com>
To: Stefan Agner <stefan@agner.ch>
Cc: mark.rutland@arm.com, lorenzo.pieralisi@arm.com,
Stefan Agner <stefan.agner@toradex.com>,
linux-kernel@vger.kernel.org, Sudeep Holla <sudeep.holla@arm.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] drivers: firmware: psci: use kernel restart handler functionality
Date: Mon, 14 Oct 2019 11:07:56 +0100 [thread overview]
Message-ID: <20191014100756.GA4028@bogus> (raw)
In-Reply-To: <20191012214735.1127009-1-stefan@agner.ch>
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.
--
Regards,
Sudeep
[1] https://lore.kernel.org/linux-arm-kernel/20191002131228.4085560-1-thierry.reding@gmail.com
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WARNING: multiple messages have this Message-ID (diff)
From: Sudeep Holla <sudeep.holla@arm.com>
To: Stefan Agner <stefan@agner.ch>
Cc: mark.rutland@arm.com, lorenzo.pieralisi@arm.com,
Stefan Agner <stefan.agner@toradex.com>,
Sudeep Holla <sudeep.holla@arm.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] drivers: firmware: psci: use kernel restart handler functionality
Date: Mon, 14 Oct 2019 11:07:56 +0100 [thread overview]
Message-ID: <20191014100756.GA4028@bogus> (raw)
In-Reply-To: <20191012214735.1127009-1-stefan@agner.ch>
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.
--
Regards,
Sudeep
[1] https://lore.kernel.org/linux-arm-kernel/20191002131228.4085560-1-thierry.reding@gmail.com
next prev parent reply other threads:[~2019-10-14 10:08 UTC|newest]
Thread overview: 6+ 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
2019-10-12 21:47 ` Stefan Agner
2019-10-14 10:07 ` Sudeep Holla [this message]
2019-10-14 10:07 ` Sudeep Holla
2019-10-14 12:07 ` Stefan Agner
2019-10-14 12:07 ` Stefan Agner
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