From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shawn Guo Subject: [PATCH v5] ARM: mxs: add initial pm support Date: Mon, 24 Jan 2011 17:05:25 +0800 Message-ID: <1295859925-2639-1-git-send-email-shawn.guo@freescale.com> References: <1294297998-26930-1-git-send-email-shawn.guo@freescale.com> Mime-Version: 1.0 Content-Type: text/plain Cc: Shawn Guo To: , , , , , , , Received: from va3ehsobe005.messaging.microsoft.com ([216.32.180.31]:10094 "EHLO VA3EHSOBE005.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751750Ab1AXBDe (ORCPT ); Sun, 23 Jan 2011 20:03:34 -0500 In-Reply-To: <1294297998-26930-1-git-send-email-shawn.guo@freescale.com> Sender: netdev-owner@vger.kernel.org List-ID: This is a very initial pm support and basically does nothing. With this pm support entry, drivers can start testing their own pm functions. Signed-off-by: Shawn Guo --- Hi Sascha, The merging conflict was fixed in this version, and you can pick it up on imx-for-2.6.39 branch now. arch/arm/mach-mxs/Makefile | 1 + arch/arm/mach-mxs/pm.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-mxs/pm.c diff --git a/arch/arm/mach-mxs/Makefile b/arch/arm/mach-mxs/Makefile index df501a8..6b26f02 100644 --- a/arch/arm/mach-mxs/Makefile +++ b/arch/arm/mach-mxs/Makefile @@ -2,6 +2,7 @@ obj-y := clock.o devices.o gpio.o icoll.o iomux.o system.o timer.o obj-$(CONFIG_MXS_OCOTP) += ocotp.o +obj-$(CONFIG_PM) += pm.o obj-$(CONFIG_SOC_IMX23) += clock-mx23.o mm-mx23.o obj-$(CONFIG_SOC_IMX28) += clock-mx28.o mm-mx28.o diff --git a/arch/arm/mach-mxs/pm.c b/arch/arm/mach-mxs/pm.c new file mode 100644 index 0000000..fb042da --- /dev/null +++ b/arch/arm/mach-mxs/pm.c @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include +#include + +static int mxs_suspend_enter(suspend_state_t state) +{ + switch (state) { + case PM_SUSPEND_MEM: + arch_idle(); + break; + + default: + return -EINVAL; + } + return 0; +} + +static struct platform_suspend_ops mxs_suspend_ops = { + .enter = mxs_suspend_enter, + .valid = suspend_valid_only_mem, +}; + +static int __init mxs_pm_init(void) +{ + suspend_set_ops(&mxs_suspend_ops); + return 0; +} +device_initcall(mxs_pm_init); -- 1.7.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: shawn.guo@freescale.com (Shawn Guo) Date: Mon, 24 Jan 2011 17:05:25 +0800 Subject: [PATCH v5] ARM: mxs: add initial pm support In-Reply-To: <1294297998-26930-1-git-send-email-shawn.guo@freescale.com> References: <1294297998-26930-1-git-send-email-shawn.guo@freescale.com> Message-ID: <1295859925-2639-1-git-send-email-shawn.guo@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This is a very initial pm support and basically does nothing. With this pm support entry, drivers can start testing their own pm functions. Signed-off-by: Shawn Guo --- Hi Sascha, The merging conflict was fixed in this version, and you can pick it up on imx-for-2.6.39 branch now. arch/arm/mach-mxs/Makefile | 1 + arch/arm/mach-mxs/pm.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-mxs/pm.c diff --git a/arch/arm/mach-mxs/Makefile b/arch/arm/mach-mxs/Makefile index df501a8..6b26f02 100644 --- a/arch/arm/mach-mxs/Makefile +++ b/arch/arm/mach-mxs/Makefile @@ -2,6 +2,7 @@ obj-y := clock.o devices.o gpio.o icoll.o iomux.o system.o timer.o obj-$(CONFIG_MXS_OCOTP) += ocotp.o +obj-$(CONFIG_PM) += pm.o obj-$(CONFIG_SOC_IMX23) += clock-mx23.o mm-mx23.o obj-$(CONFIG_SOC_IMX28) += clock-mx28.o mm-mx28.o diff --git a/arch/arm/mach-mxs/pm.c b/arch/arm/mach-mxs/pm.c new file mode 100644 index 0000000..fb042da --- /dev/null +++ b/arch/arm/mach-mxs/pm.c @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include +#include + +static int mxs_suspend_enter(suspend_state_t state) +{ + switch (state) { + case PM_SUSPEND_MEM: + arch_idle(); + break; + + default: + return -EINVAL; + } + return 0; +} + +static struct platform_suspend_ops mxs_suspend_ops = { + .enter = mxs_suspend_enter, + .valid = suspend_valid_only_mem, +}; + +static int __init mxs_pm_init(void) +{ + suspend_set_ops(&mxs_suspend_ops); + return 0; +} +device_initcall(mxs_pm_init); -- 1.7.1