Hi Greg, thanks for taking a look at this. On Thu, Oct 22, 2020 at 07:31:43AM +0200, Greg Kroah-Hartman wrote: > On Thu, Oct 22, 2020 at 11:23:24AM +0800, Chen Yu wrote: > > Currently there are 4 driver flags to control system suspend/resume > > behavior: DPM_FLAG_NO_DIRECT_COMPLETE, DPM_FLAG_SMART_PREPARE, > > DPM_FLAG_SMART_SUSPEND and DPM_FLAG_MAY_SKIP_RESUME. Make these flags > > visible in sysfs as read-only to get a brief understanding of the > > expected behavior of each device during suspend/resume, so as to > > facilitate suspend/resume debugging/tuning. > > > > For example: > > /sys/devices/pci0000:00/0000:00:15.1/power/driver_flags:4 > > (DPM_FLAG_SMART_SUSPEND) > > > > /sys/devices/pci0000:00/0000:00:07.3/power/driver_flags:5 > > (DPM_FLAG_NO_DIRECT_COMPLETE | DPM_FLAG_SMART_SUSPEND) > > > > Acked-by: Len Brown <len.br...@intel.com> > > Signed-off-by: Chen Yu <yu.c.c...@intel.com> > > --- > > drivers/base/power/sysfs.c | 29 ++++++++++++++++++++++++++++- > > 1 file changed, 28 insertions(+), 1 deletion(-) > > There is no Documentataion/ABI/ entry for your new file, which makes > this patch impossible to properly review by anyone, and prevents it from > being able to be accepted. > > Please fix. > Okay, will add the entry in the document.
thanks, Chenyu > thanks, > > greg k-h