diff options
| author | Dmitry Torokhov <dtor@insightbb.com> | 2007-04-03 01:08:40 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-04-27 10:57:29 -0700 |
| commit | f89cbc399ecd924c4bd879344e662aace2274b4f (patch) | |
| tree | d44c6c9952e1433566a3e6a4eb0123e33d10d97d /drivers/base/power/resume.c | |
| parent | bf62456eb91f3d2ef0736081583d09b0b3c8b7ea (diff) | |
Driver core: add suspend() and resume() to struct device_type
Driver core: add suspend() and resume() to struct device_type
In cases when there are devices of different types in the same class
we can't use class's implementation of suspend and resume methods and
we need to add them to struct device_type instead.
Also fix error handling in resume code (we should not try to call
class's resume method iof bus's resume method for the device failed.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/base/power/resume.c')
| -rw-r--r-- | drivers/base/power/resume.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/base/power/resume.c b/drivers/base/power/resume.c index 020be36705a..a2c64188d71 100644 --- a/drivers/base/power/resume.c +++ b/drivers/base/power/resume.c @@ -26,7 +26,9 @@ int resume_device(struct device * dev) TRACE_DEVICE(dev); TRACE_RESUME(0); + down(&dev->sem); + if (dev->power.pm_parent && dev->power.pm_parent->power.power_state.event) { dev_err(dev, "PM: resume from %d, parent %s still %d\n", @@ -34,15 +36,24 @@ int resume_device(struct device * dev) dev->power.pm_parent->bus_id, dev->power.pm_parent->power.power_state.event); } + if (dev->bus && dev->bus->resume) { dev_dbg(dev,"resuming\n"); error = dev->bus->resume(dev); } - if (dev->class && dev->class->resume) { + + if (!error && dev->type && dev->type->resume) { + dev_dbg(dev,"resuming\n"); + error = dev->type->resume(dev); + } + + if (!error && dev->class && dev->class->resume) { dev_dbg(dev,"class resume\n"); error = dev->class->resume(dev); } + up(&dev->sem); + TRACE_RESUME(error); return error; } |