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authorLinus Torvalds <torvalds@g5.osdl.org>2006-09-26 11:49:46 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-26 11:49:46 -0700
commitdd77a4ee0f3981693d4229aa1d57cea9e526ff47 (patch)
treecb486be20b950201103a03636cbb1e1d180f0098 /kernel/power/swsusp.c
parente8216dee838c09776680a6f1a2e54d81f3cdfa14 (diff)
parent7e9f4b2d3e21e87c26025810413ef1592834e63b (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6: (47 commits) Driver core: Don't call put methods while holding a spinlock Driver core: Remove unneeded routines from driver core Driver core: Fix potential deadlock in driver core PCI: enable driver multi-threaded probe Driver Core: add ability for drivers to do a threaded probe sysfs: add proper sysfs_init() prototype drivers/base: check errors drivers/base: Platform notify needs to occur before drivers attach to the device v4l-dev2: handle __must_check add CONFIG_ENABLE_MUST_CHECK add __must_check to device management code Driver core: fixed add_bind_files() definition Driver core: fix comments in drivers/base/power/resume.c sysfs_remove_bin_file: no return value, dump_stack on error kobject: must_check fixes Driver core: add ability for devices to create and remove bin files Class: add support for class interfaces for devices Driver core: create devices/virtual/ tree Driver core: add device_rename function Driver core: add ability for classes to handle devices properly ...
Diffstat (limited to 'kernel/power/swsusp.c')
-rw-r--r--kernel/power/swsusp.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c
index 8ef677ea0ce..0b66659dc51 100644
--- a/kernel/power/swsusp.c
+++ b/kernel/power/swsusp.c
@@ -247,6 +247,9 @@ int swsusp_suspend(void)
restore_processor_state();
Restore_highmem:
restore_highmem();
+ /* NOTE: device_power_up() is just a resume() for devices
+ * that suspended with irqs off ... no overall powerup.
+ */
device_power_up();
Enable_irqs:
local_irq_enable();
@@ -256,8 +259,12 @@ Enable_irqs:
int swsusp_resume(void)
{
int error;
+
local_irq_disable();
- if (device_power_down(PMSG_FREEZE))
+ /* NOTE: device_power_down() is just a suspend() with irqs off;
+ * it has no special "power things down" semantics
+ */
+ if (device_power_down(PMSG_PRETHAW))
printk(KERN_ERR "Some devices failed to power down, very bad\n");
/* We'll ignore saved state, but this gets preempt count (etc) right */
save_processor_state();