On Mon, Jan 09, 2017 at 07:21:03AM -0600, Bin Liu wrote: > Greg, > > On Thu, Jan 05, 2017 at 12:33:02PM -0600, Bin Liu wrote: > > On Thu, Jan 05, 2017 at 07:17:51PM +0100, Greg KH wrote: > > > On Tue, Jan 03, 2017 at 06:13:51PM -0600, Bin Liu wrote: > > > > MUSB driver now has runtime PM support, but the debugfs driver misses > > > > the PM _get/_put() calls, which could cause MUSB register access > > > > failure. > > > > > > > > Cc: stable@xxxxxxxxxxxxxxx # 4.9+ > > > > Signed-off-by: Bin Liu <b-liu@xxxxxx> > > > > Acked-by: Tony Lindgren <tony@xxxxxxxxxxx> > > > > --- > > > > v2: no change. > > > > > > > > drivers/usb/musb/musb_debugfs.c | 20 +++++++++++++++++++- > > > > 1 file changed, 19 insertions(+), 1 deletion(-) > > > > > > This looks like a new feature, it's never worked before, why add it now? > > > > > This is not a new feature, but fixing the PM regression. musb has > > runtime PM added back in v4.9, but forgot to add the PM calls in > > the debugfs driver, which causes all the musb debugfs interface not > > functional. > > Do you want me to resend it for -rc4, or keep it until v4.11-rc1? > This fixes a regression in v4.9. You can resend. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
