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Date: Tue, 18 Feb 2020 18:35:12 +0100 From: Daniel Lezcano <daniel.lezcano@...aro.org> To: Rob Herring <robh@...nel.org>, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, soc@...nel.org, Andre Przywara <andre.przywara@....com>, Robert Richter <rrichter@...vell.com>, Jon Loeliger <jdl@....com>, Alexander Graf <graf@...zon.com>, Matthias Brugger <mbrugger@...e.com>, Mark Langsdorf <mlangsdo@...hat.com> Cc: Alex Williamson <alex.williamson@...hat.com>, Borislav Petkov <bp@...en8.de>, Cornelia Huck <cohuck@...hat.com>, "David S. Miller" <davem@...emloft.net>, devicetree@...r.kernel.org, Eric Auger <eric.auger@...hat.com>, iommu@...ts.linux-foundation.org, James Morse <james.morse@....com>, Jens Axboe <axboe@...nel.dk>, Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org, linux-clk@...r.kernel.org, linux-edac@...r.kernel.org, linux-ide@...r.kernel.org, linux-pm@...r.kernel.org, Mauro Carvalho Chehab <mchehab@...nel.org>, netdev@...r.kernel.org, "Rafael J. Wysocki" <rjw@...ysocki.net>, Robin Murphy <robin.murphy@....com>, Stephen Boyd <sboyd@...nel.org>, Tony Luck <tony.luck@...el.com>, Viresh Kumar <viresh.kumar@...aro.org>, Will Deacon <will@...nel.org> Subject: Re: [RFC PATCH 03/11] cpuidle: Remove Calxeda driver On 18/02/2020 18:13, Rob Herring wrote: > Cc: "Rafael J. Wysocki" <rjw@...ysocki.net> > Cc: Daniel Lezcano <daniel.lezcano@...aro.org> > Cc: linux-pm@...r.kernel.org > Signed-off-by: Rob Herring <robh@...nel.org> Acked-by: Daniel Lezcano <daniel.lezcano@...aro.org> > --- > Do not apply yet. > > drivers/cpuidle/Kconfig.arm | 7 --- > drivers/cpuidle/Makefile | 1 - > drivers/cpuidle/cpuidle-calxeda.c | 72 ------------------------------- > 3 files changed, 80 deletions(-) > delete mode 100644 drivers/cpuidle/cpuidle-calxeda.c > > diff --git a/drivers/cpuidle/Kconfig.arm b/drivers/cpuidle/Kconfig.arm > index 62272ecfa771..c2830d2ed44a 100644 > --- a/drivers/cpuidle/Kconfig.arm > +++ b/drivers/cpuidle/Kconfig.arm > @@ -42,13 +42,6 @@ config ARM_CLPS711X_CPUIDLE > help > Select this to enable cpuidle on Cirrus Logic CLPS711X SOCs. > > -config ARM_HIGHBANK_CPUIDLE > - bool "CPU Idle Driver for Calxeda processors" > - depends on ARM_PSCI && !ARM64 > - select ARM_CPU_SUSPEND > - help > - Select this to enable cpuidle on Calxeda processors. > - > config ARM_KIRKWOOD_CPUIDLE > bool "CPU Idle Driver for Marvell Kirkwood SoCs" > depends on (MACH_KIRKWOOD || COMPILE_TEST) && !ARM64 > diff --git a/drivers/cpuidle/Makefile b/drivers/cpuidle/Makefile > index cc8c769d7fa9..eee5f276edf7 100644 > --- a/drivers/cpuidle/Makefile > +++ b/drivers/cpuidle/Makefile > @@ -14,7 +14,6 @@ obj-$(CONFIG_HALTPOLL_CPUIDLE) += cpuidle-haltpoll.o > obj-$(CONFIG_ARM_MVEBU_V7_CPUIDLE) += cpuidle-mvebu-v7.o > obj-$(CONFIG_ARM_BIG_LITTLE_CPUIDLE) += cpuidle-big_little.o > obj-$(CONFIG_ARM_CLPS711X_CPUIDLE) += cpuidle-clps711x.o > -obj-$(CONFIG_ARM_HIGHBANK_CPUIDLE) += cpuidle-calxeda.o > obj-$(CONFIG_ARM_KIRKWOOD_CPUIDLE) += cpuidle-kirkwood.o > obj-$(CONFIG_ARM_ZYNQ_CPUIDLE) += cpuidle-zynq.o > obj-$(CONFIG_ARM_U8500_CPUIDLE) += cpuidle-ux500.o > diff --git a/drivers/cpuidle/cpuidle-calxeda.c b/drivers/cpuidle/cpuidle-calxeda.c > deleted file mode 100644 > index b17d9a8418b0..000000000000 > --- a/drivers/cpuidle/cpuidle-calxeda.c > +++ /dev/null > @@ -1,72 +0,0 @@ > -// SPDX-License-Identifier: GPL-2.0-only > -/* > - * Copyright 2012 Calxeda, Inc. > - * > - * Based on arch/arm/plat-mxc/cpuidle.c: #v3.7 > - * Copyright 2012 Freescale Semiconductor, Inc. > - * Copyright 2012 Linaro Ltd. > - * > - * Maintainer: Rob Herring <rob.herring@...xeda.com> > - */ > - > -#include <linux/cpuidle.h> > -#include <linux/cpu_pm.h> > -#include <linux/init.h> > -#include <linux/mm.h> > -#include <linux/platform_device.h> > -#include <linux/psci.h> > - > -#include <asm/cpuidle.h> > -#include <asm/suspend.h> > - > -#include <uapi/linux/psci.h> > - > -#define CALXEDA_IDLE_PARAM \ > - ((0 << PSCI_0_2_POWER_STATE_ID_SHIFT) | \ > - (0 << PSCI_0_2_POWER_STATE_AFFL_SHIFT) | \ > - (PSCI_POWER_STATE_TYPE_POWER_DOWN << PSCI_0_2_POWER_STATE_TYPE_SHIFT)) > - > -static int calxeda_idle_finish(unsigned long val) > -{ > - return psci_ops.cpu_suspend(CALXEDA_IDLE_PARAM, __pa(cpu_resume)); > -} > - > -static int calxeda_pwrdown_idle(struct cpuidle_device *dev, > - struct cpuidle_driver *drv, > - int index) > -{ > - cpu_pm_enter(); > - cpu_suspend(0, calxeda_idle_finish); > - cpu_pm_exit(); > - > - return index; > -} > - > -static struct cpuidle_driver calxeda_idle_driver = { > - .name = "calxeda_idle", > - .states = { > - ARM_CPUIDLE_WFI_STATE, > - { > - .name = "PG", > - .desc = "Power Gate", > - .exit_latency = 30, > - .power_usage = 50, > - .target_residency = 200, > - .enter = calxeda_pwrdown_idle, > - }, > - }, > - .state_count = 2, > -}; > - > -static int calxeda_cpuidle_probe(struct platform_device *pdev) > -{ > - return cpuidle_register(&calxeda_idle_driver, NULL); > -} > - > -static struct platform_driver calxeda_cpuidle_plat_driver = { > - .driver = { > - .name = "cpuidle-calxeda", > - }, > - .probe = calxeda_cpuidle_probe, > -}; > -builtin_platform_driver(calxeda_cpuidle_plat_driver); > -- > 2.20.1 > -- <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | <http://twitter.com/#!/linaroorg> Twitter | <http://www.linaro.org/linaro-blog/> Blog
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