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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-17 19:08:06 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-17 19:08:06 -0700
commit411f5c7a502769ccc0377c5ba36cb0b283847ba8 (patch)
tree2c3a29671e3f923de48c55f94194849264a7bf53 /arch/arm/mach-mxs/pm.c
parent6d7ed21d17e640b120b902a314143e5ef4917a70 (diff)
parent9ced9f03d12d7539e86b0bff5bc750153c976c34 (diff)
downloadlwn-411f5c7a502769ccc0377c5ba36cb0b283847ba8.tar.gz
lwn-411f5c7a502769ccc0377c5ba36cb0b283847ba8.zip
Merge branch 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-arm: (289 commits) davinci: DM644x EVM: register MUSB device earlier davinci: add spi devices on tnetv107x evm davinci: add ssp config for tnetv107x evm board davinci: add tnetv107x ssp platform device spi: add ti-ssp spi master driver mfd: add driver for sequencer serial port ARM: EXYNOS4: Implement Clock gating for System MMU ARM: EXYNOS4: Enhancement of System MMU driver ARM: EXYNOS4: Add support for gpio interrupts ARM: S5P: Add function to register gpio interrupt bank data ARM: S5P: Cleanup S5P gpio interrupt code ARM: EXYNOS4: Add missing GPYx banks ARM: S3C64XX: Fix section mismatch from cpufreq init ARM: EXYNOS4: Add keypad device to the SMDKV310 ARM: EXYNOS4: Update clocks for keypad ARM: EXYNOS4: Update keypad base address ARM: EXYNOS4: Add keypad device helpers ARM: EXYNOS4: Add support for SATA on ARMLEX4210 plat-nomadik: make GPIO interrupts work with cpuidle ApSleep mach-u300: define a dummy filter function for coh901318 ... Fix up various conflicts in - arch/arm/mach-exynos4/cpufreq.c - arch/arm/mach-mxs/gpio.c - drivers/net/Kconfig - drivers/tty/serial/Kconfig - drivers/tty/serial/Makefile - drivers/usb/gadget/fsl_mxc_udc.c - drivers/video/Kconfig
Diffstat (limited to 'arch/arm/mach-mxs/pm.c')
-rw-r--r--arch/arm/mach-mxs/pm.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/pm.c b/arch/arm/mach-mxs/pm.c
new file mode 100644
index 000000000000..fb042da29bda
--- /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 <linux/kernel.h>
+#include <linux/suspend.h>
+#include <linux/io.h>
+#include <mach/system.h>
+
+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);