From: Stephen Boyd <sboyd@codeaurora.org>
To: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: rjw@rjwysocki.net, lorenzo.pieralisi@arm.com,
linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
Catalin.Marinas@arm.com, robherring2@gmail.com, arnd@arndb.de,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
lina.iyer@linaro.org
Subject: Re: [PATCH V3 2/8] ARM: cpuidle: Add a cpuidle ops structure to be used for DT
Date: Wed, 25 Mar 2015 14:34:30 -0700 [thread overview]
Message-ID: <20150325213430.GA30227@codeaurora.org> (raw)
In-Reply-To: <1426851841-2072-3-git-send-email-daniel.lezcano@linaro.org>
On 03/20, Daniel Lezcano wrote:
> The current state of the different cpuidle drivers is the different PM
> operations are passed via the platform_data using the platform driver
> paradigm.
>
> This approach allowed to split the low level PM code from the arch specific
> and the generic cpuidle code.
>
> Unfortunately there are complaints about this approach as, in the context of the
> single kernel image, we have multiple drivers loaded in memory for nothing and
> the platform driver is not adequate for cpuidle.
>
> This patch provides a common interface via cpuidle ops for all new cpuidle
> driver and a definition for the device tree.
>
> It will allow with the next patches to a have a common definition with ARM64
> and share the same cpuidle driver.
>
> The code is optimized to use the __init section intensively in order to reduce
> the memory footprint after the driver is initialized and unify the function
> names with ARM64.
>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
> Acked-by: Kevin Hilman <khilman@linaro.org>
> Acked-by: Rob Herring <robherring2@gmail.com>
Thanks for moving to OF tables. We can merge smp ops and cpuidle
ops later on.
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
WARNING: multiple messages have this Message-ID (diff)
From: sboyd@codeaurora.org (Stephen Boyd)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V3 2/8] ARM: cpuidle: Add a cpuidle ops structure to be used for DT
Date: Wed, 25 Mar 2015 14:34:30 -0700 [thread overview]
Message-ID: <20150325213430.GA30227@codeaurora.org> (raw)
In-Reply-To: <1426851841-2072-3-git-send-email-daniel.lezcano@linaro.org>
On 03/20, Daniel Lezcano wrote:
> The current state of the different cpuidle drivers is the different PM
> operations are passed via the platform_data using the platform driver
> paradigm.
>
> This approach allowed to split the low level PM code from the arch specific
> and the generic cpuidle code.
>
> Unfortunately there are complaints about this approach as, in the context of the
> single kernel image, we have multiple drivers loaded in memory for nothing and
> the platform driver is not adequate for cpuidle.
>
> This patch provides a common interface via cpuidle ops for all new cpuidle
> driver and a definition for the device tree.
>
> It will allow with the next patches to a have a common definition with ARM64
> and share the same cpuidle driver.
>
> The code is optimized to use the __init section intensively in order to reduce
> the memory footprint after the driver is initialized and unify the function
> names with ARM64.
>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
> Acked-by: Kevin Hilman <khilman@linaro.org>
> Acked-by: Rob Herring <robherring2@gmail.com>
Thanks for moving to OF tables. We can merge smp ops and cpuidle
ops later on.
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2015-03-25 21:34 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-20 11:43 [PATCH V3 0/8] ARM: cpuidle: Unify the ARM64/ARM DT approach Daniel Lezcano
2015-03-20 11:43 ` Daniel Lezcano
2015-03-20 11:43 ` Daniel Lezcano
2015-03-20 11:43 ` [PATCH V3 1/8] ARM: cpuidle: Remove duplicate header inclusion Daniel Lezcano
2015-03-20 11:43 ` Daniel Lezcano
2015-03-20 11:43 ` Daniel Lezcano
2015-03-20 11:43 ` [PATCH V3 2/8] ARM: cpuidle: Add a cpuidle ops structure to be used for DT Daniel Lezcano
2015-03-20 11:43 ` Daniel Lezcano
2015-03-25 21:34 ` Stephen Boyd [this message]
2015-03-25 21:34 ` Stephen Boyd
2015-03-20 11:43 ` [PATCH V3 3/8] ARM64: cpuidle: Replace cpu_suspend by the common ARM/ARM64 function Daniel Lezcano
2015-03-20 11:43 ` Daniel Lezcano
2015-03-20 11:43 ` [PATCH V3 4/8] ARM64: cpuidle: Rename cpu_init_idle to a common function name Daniel Lezcano
2015-03-20 11:43 ` Daniel Lezcano
2015-03-21 20:24 ` Lorenzo Pieralisi
2015-03-21 20:24 ` Lorenzo Pieralisi
2015-03-20 11:43 ` [PATCH V3 5/8] ARM64: cpuidle: Remove arm64 reference Daniel Lezcano
2015-03-20 11:43 ` Daniel Lezcano
2015-03-21 20:21 ` Lorenzo Pieralisi
2015-03-21 20:21 ` Lorenzo Pieralisi
2015-03-20 11:43 ` [PATCH V3 6/8] ARM: cpuidle: Enable the ARM64 driver for both ARM32/ARM64 Daniel Lezcano
2015-03-20 11:43 ` Daniel Lezcano
2015-03-20 11:43 ` Daniel Lezcano
2015-03-21 20:20 ` Lorenzo Pieralisi
2015-03-21 20:20 ` Lorenzo Pieralisi
2015-03-20 11:44 ` [PATCH V3 7/8] ARM: cpuidle: Register per cpuidle device Daniel Lezcano
2015-03-20 11:44 ` Daniel Lezcano
2015-03-21 20:35 ` Lorenzo Pieralisi
2015-03-21 20:35 ` Lorenzo Pieralisi
2015-03-23 14:42 ` Daniel Lezcano
2015-03-23 14:42 ` Daniel Lezcano
2015-03-23 15:41 ` Daniel Lezcano
2015-03-23 15:41 ` Daniel Lezcano
2015-03-23 16:25 ` Lorenzo Pieralisi
2015-03-23 16:25 ` Lorenzo Pieralisi
2015-03-23 16:50 ` [PATCH V4] " Daniel Lezcano
2015-03-23 16:50 ` Daniel Lezcano
2015-03-23 22:58 ` Lorenzo Pieralisi
2015-03-23 22:58 ` Lorenzo Pieralisi
2015-03-24 9:54 ` [PATCH V5 1/2] " Daniel Lezcano
2015-03-24 9:54 ` Daniel Lezcano
2015-03-24 9:54 ` [PATCH 2/2] ARM: cpuidle: Document the code Daniel Lezcano
2015-03-24 9:54 ` Daniel Lezcano
2015-03-24 18:51 ` Lorenzo Pieralisi
2015-03-24 18:51 ` Lorenzo Pieralisi
2015-03-24 19:04 ` Lorenzo Pieralisi
2015-03-24 19:04 ` Lorenzo Pieralisi
2015-03-24 19:04 ` Lorenzo Pieralisi
2015-03-25 7:03 ` Daniel Lezcano
2015-03-25 7:03 ` Daniel Lezcano
2015-03-24 18:10 ` [PATCH V5 1/2] ARM: cpuidle: Register per cpuidle device Lorenzo Pieralisi
2015-03-24 18:10 ` Lorenzo Pieralisi
2015-03-20 11:44 ` [PATCH V3 8/8] ARM: cpuidle: Change function name to be consistent with x86 Daniel Lezcano
2015-03-20 11:44 ` Daniel Lezcano
2015-03-21 20:09 ` Lorenzo Pieralisi
2015-03-21 20:09 ` Lorenzo Pieralisi
2015-03-20 18:31 ` [PATCH V3 0/8] ARM: cpuidle: Unify the ARM64/ARM DT approach Lorenzo Pieralisi
2015-03-20 18:31 ` Lorenzo Pieralisi
2015-03-20 18:39 ` Daniel Lezcano
2015-03-20 18:39 ` Daniel Lezcano
2015-03-21 20:51 ` Lorenzo Pieralisi
2015-03-21 20:51 ` Lorenzo Pieralisi
2015-03-23 15:27 ` Lorenzo Pieralisi
2015-03-23 15:27 ` Lorenzo Pieralisi
2015-03-23 15:31 ` Daniel Lezcano
2015-03-23 15:31 ` Daniel Lezcano
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