On Wednesday 26 April 2017 15:40:49 Darren Hart wrote: > On Tue, Apr 25, 2017 at 05:50:57PM -0400, Arcadiy Ivanov wrote: > > On 2017-04-25 09:49, Mario.Limonciello@xxxxxxxx wrote: > > > > -----Original Message----- > > > > From: Pali Rohár [mailto:pali.rohar@xxxxxxxxx] > > > > Sent: Tuesday, April 25, 2017 8:41 AM > > > > To: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> > > > > Cc: Matthew Garrett <mjg59@xxxxxxxxxxxxx>; Darren Hart > > > > <dvhart@xxxxxxxxxxxxx>; Andy Shevchenko <andy@xxxxxxxxxxxxx>; Arcadiy Ivanov > > > > <arcadiy@xxxxxxxxxx>; Limonciello, Mario <Mario_Limonciello@xxxxxxxx>; > > > > Platform Driver <platform-driver-x86@xxxxxxxxxxxxxxx>; linux- > > > > kernel@xxxxxxxxxxxxxxx > > > > Subject: Re: [PATCH] dell-laptop: Adds support for keyboard backlight timeout AC > > > > settings > > > > > > > > On Tuesday 25 April 2017 16:32:36 Andy Shevchenko wrote: > > > > > On Tue, Apr 25, 2017 at 3:54 PM, Pali Rohár <pali.rohar@xxxxxxxxx> wrote: > > > > > > On Tuesday 25 April 2017 15:36:56 Andy Shevchenko wrote: > > > > > > > On Sun, Apr 23, 2017 at 10:40 PM, Pali Rohár <pali.rohar@xxxxxxxxx> wrote: > > > > > > > This patch misses few others that were applied to our testing / for-next. > > > > > > Ah... sorry for that :-( And I was in impression that there were fixes > > > > > > for that code which use mutexes... Now I know why I have not seen them! > > > > > > > > > > > > > I have applied it to testing with corrected conflict (easy to fix), > > > > > > > though check if everything still as supposed to be. > > > > > > Can you send a link to your fix? > > > > > Sure, here it is: > > > > > http://git.infradead.org/linux-platform-drivers- > > > > x86.git/commit/bcf7d8a30e2888f78a19778a16d3dd8c10b4b0ad > > > > > > > > It is OK. > > > > > > > Pali, > > > > > > Considering this is negatively affecting folks on stable kernel releases too > > > when using this newer HW, would you consider to send to @stable too? > > > > > > Thanks, I'm fine with it, if Greg or stable maintainers approve this change. > > I second that. Thanks! > > > > In order for this to go back to stable, we will need to include the list of > dependencies per stable-kernel-rules.txt. This can be done after it is merged, > but if you can provide the set of Cc: stable lines needed, we can look at > getting this into testing now so no further action will be required. > > ... > > Upon closer inspection, this does fail the 100 lines including context stable > rule by an additional 55 lines. This is a process issue I've been thinking about > for a while and trying to find the best way to express this problem and what a > viable solution might look like. As it stands, fixes such as these are > effectively limited to current and future kernel versions. I do think there is a > need for vendors to be able to update their drivers upstream to work with current > hardware without requiring a bleeding edge kernel. Perhaps "leaf node drivers" > should have a looser set of stable rules, but that is not currently the way the > upstream stable kernel rules work (at least as far as I understand them). > > +Greg KH who has the ultimate say on this. Greg, have I misrepresented anything > here? > -- Pali Rohár pali.rohar@xxxxxxxxx