kernel-ark/arch/arm/mach-imx/pm-imx27.c
Linus Torvalds 008d23e485 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (43 commits)
  Documentation/trace/events.txt: Remove obsolete sched_signal_send.
  writeback: fix global_dirty_limits comment runtime -> real-time
  ppc: fix comment typo singal -> signal
  drivers: fix comment typo diable -> disable.
  m68k: fix comment typo diable -> disable.
  wireless: comment typo fix diable -> disable.
  media: comment typo fix diable -> disable.
  remove doc for obsolete dynamic-printk kernel-parameter
  remove extraneous 'is' from Documentation/iostats.txt
  Fix spelling milisec -> ms in snd_ps3 module parameter description
  Fix spelling mistakes in comments
  Revert conflicting V4L changes
  i7core_edac: fix typos in comments
  mm/rmap.c: fix comment
  sound, ca0106: Fix assignment to 'channel'.
  hrtimer: fix a typo in comment
  init/Kconfig: fix typo
  anon_inodes: fix wrong function name in comment
  fix comment typos concerning "consistent"
  poll: fix a typo in comment
  ...

Fix up trivial conflicts in:
 - drivers/net/wireless/iwlwifi/iwl-core.c (moved to iwl-legacy.c)
 - fs/ext4/ext4.h

Also fix missed 'diabled' typo in drivers/net/bnx2x/bnx2x.h while at it.
2011-01-13 10:05:56 -08:00

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C

/*
* i.MX27 Power Management Routines
*
* Based on Freescale's BSP
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License.
*/
#include <linux/kernel.h>
#include <linux/suspend.h>
#include <linux/io.h>
#include <mach/system.h>
#include <mach/mx27.h>
static int mx27_suspend_enter(suspend_state_t state)
{
u32 cscr;
switch (state) {
case PM_SUSPEND_MEM:
/* Clear MPEN and SPEN to disable MPLL/SPLL */
cscr = __raw_readl(MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR));
cscr &= 0xFFFFFFFC;
__raw_writel(cscr, MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR));
/* Executes WFI */
arch_idle();
break;
default:
return -EINVAL;
}
return 0;
}
static const struct platform_suspend_ops mx27_suspend_ops = {
.enter = mx27_suspend_enter,
.valid = suspend_valid_only_mem,
};
static int __init mx27_pm_init(void)
{
if (!cpu_is_mx27())
return 0;
suspend_set_ops(&mx27_suspend_ops);
return 0;
}
device_initcall(mx27_pm_init);