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From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 0/4] Generalize fncpy availability
Date: Mon, 19 Jun 2017 06:53:12 -0700	[thread overview]
Message-ID: <20170619135312.GM3730@atomide.com> (raw)
In-Reply-To: <20170619122444.GJ10246@leverpostej>

* Mark Rutland <mark.rutland@arm.com> [170619 05:25]:
> On Fri, Jun 16, 2017 at 05:07:40PM -0700, Florian Fainelli wrote:
> > 
> > This is helpful in making SoC-specific power management code become true drivers
> > that can be shared between different architectures.
> 
> Could you elaborate on what this is needed for?
> 
> My understanding was that on 32-bit, this was to handle idle / suspend
> cases, whereas for arm64 that should be handled by PSCI.
> 
> what exactly do you intend to use this for?

Well idle / suspend can have multiple needs such as running
core while DDR is in self-refresh mode and saving and restoring
of some context registers in that state.

Also clock drivers may need this to reprogram some core clocks.

Regards,

Tony

  reply	other threads:[~2017-06-19 13:53 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-17  0:07 [PATCH v3 0/4] Generalize fncpy availability Florian Fainelli
2017-06-17  0:07 ` [PATCH v3 1/4] ARM: fncpy: Rename include guards Florian Fainelli
2017-06-17  0:07 ` [PATCH v3 2/4] asm-generic: Provide a fncpy() implementation Florian Fainelli
2017-06-18 23:51   ` Yury Norov
2017-06-19  1:11     ` Yury Norov
2017-06-19 15:18     ` Yury Norov
2017-06-19 17:27       ` Florian Fainelli
2017-06-19 17:43       ` Russell King - ARM Linux
2017-06-20 14:27         ` Yury Norov
2017-06-19 20:58     ` Florian Fainelli
2017-06-20 14:24       ` Yury Norov
2017-06-17  0:07 ` [PATCH v3 3/4] arm64: Provide a fncpy implementation Florian Fainelli
2017-06-17  0:07 ` [PATCH v3 4/4] misc: sram: Allow ARM64 to select SRAM_EXEC Florian Fainelli
2017-06-28 14:55   ` Mark Rutland
2017-06-19 12:24 ` [PATCH v3 0/4] Generalize fncpy availability Mark Rutland
2017-06-19 13:53   ` Tony Lindgren [this message]
2017-06-19 17:32   ` Florian Fainelli
2017-06-20  9:10     ` Lorenzo Pieralisi
2017-06-20 16:20       ` Florian Fainelli
2017-06-20 16:46         ` Lorenzo Pieralisi
2017-06-20 16:54         ` Sudeep Holla
2017-06-20 17:03           ` Florian Fainelli
2017-06-19 13:34 ` David Howells

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