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Message-Id: <200702102345.39855.lenb@kernel.org> Date: Sat, 10 Feb 2007 23:45:39 -0500 From: Len Brown <lenb@...nel.org> To: Richard Purdie <rpurdie@...ys.net>, linux-acpi@...r.kernel.org Cc: LKML <linux-kernel@...r.kernel.org>, akpm <akpm@...ux-foundation.org>, Dmitry Torokhov <dmitry.torokhov@...il.com>, jsimmons@...radead.org, linux-kernel@...smi.ch, openembedded@....one.pl, Benjamin Herrenschmidt <benh@...nel.crashing.org> Subject: Re: git backlight tree On Saturday 10 February 2007 19:33, Richard Purdie wrote: > As mentioned previously, I've setup a backlight git tree at: > > http://git.o-hand.com/?p=linux-rpurdie-backlight;a=shortlog;h=for-mm > (git://git.o-hand.com/linux-rpurdie-backlight) > > A patch of the combined changes to mainline is: > > http://www.rpsys.net/openzaurus/patches/git_backlight-r1.patch.gz The changes under drivers/acpi/ and drivers/misc/ look fine to me. Acked-by: Len Brown <len.brown@...el.com> if you need that to send those bits upstream. Note that there is a new sony-laptop driver under drivers/misc/ in my tree that I expect to send upstream next week -- and it will need the analogous updates. thanks, -Len > I've included a git shortlog and diffstat output below. > > A few months ago Dmitry highlighted some problems with the backlight > code and I've included patches to fix the issues raised. I've also > included several pending backlight patches adding drivers or fixing > other bugs. > > The backlight code was turning into a locking minefield, several mutexes > deep in places and was in need of some cleanup which these patches > attempt, by simplifying locks and documenting what they protect. > > Whilst working on the above I noticed some ways of removing some code > duplication particularly with the powermac backlight hooks. There were > also several backlight calls from fb_blank methods which aren't needed > with the backlight code so I've removed them. There should be no > functionality changes. > > I've cc'd various people who've been involved with areas of the > backlight code. If people could check the changes to their > hardware/areas of interest over or better still, test them I'd > appreciate it as I can't compile or runtime test all of these changes. > These changes should be appearing in the next -mm and I'm hoping it > might still be possible to get them into 2.6.21 and iron out any issues > during the -rc releases. > > Richard > > MAINTAINERS | 5 > arch/powerpc/kernel/traps.c | 6 - > arch/powerpc/platforms/powermac/backlight.c | 27 +--- > drivers/acpi/asus_acpi.c | 7 - > drivers/acpi/ibm_acpi.c | 8 - > drivers/acpi/toshiba_acpi.c | 7 - > drivers/acpi/video.c | 36 ++---- > drivers/macintosh/via-pmu-backlight.c | 33 ++---- > drivers/misc/asus-laptop.c | 31 +---- > drivers/misc/msi-laptop.c | 10 - > drivers/usb/misc/appledisplay.c | 22 +--- > drivers/video/Kconfig | 73 ++++++------- > drivers/video/aty/aty128fb.c | 102 +++--------------- > drivers/video/aty/atyfb_base.c | 100 +++--------------- > drivers/video/aty/radeon_backlight.c | 59 ++-------- > drivers/video/aty/radeon_base.c | 3 > drivers/video/backlight/Kconfig | 24 ++-- > drivers/video/backlight/Makefile | 1 > drivers/video/backlight/backlight.c | 123 +++++++++++----------- > drivers/video/backlight/corgi_bl.c | 54 ++++----- > drivers/video/backlight/hp680_bl.c | 50 +++++---- > drivers/video/backlight/lcd.c | 83 +++++++-------- > drivers/video/backlight/locomolcd.c | 13 +- > drivers/video/backlight/progear_bl.c | 153 ++++++++++++++++++++++++++++ > drivers/video/chipsfb.c | 26 ---- > drivers/video/console/fbcon.c | 7 + > drivers/video/fbsysfs.c | 14 +- > drivers/video/nvidia/nv_backlight.c | 92 ++-------------- > drivers/video/nvidia/nv_proto.h | 2 > drivers/video/nvidia/nvidia.c | 5 > drivers/video/riva/fbdev.c | 100 +++--------------- > include/linux/backlight.h | 50 +++++++-- > include/linux/fb.h | 13 +- > include/linux/lcd.h | 45 ++++++-- > 34 files changed, 624 insertions(+), 760 deletions(-) > > > Dmitry Torokhov (2): > backlight: Fix error handling > backlight: Remove excessive (un)likelys > > James Simmons (1): > backlight: Improve backlight selection for fbdev drivers > > Marcin Juszkiewicz (1): > backlight: Add Frontpath ProGear HX1050+ driver > > Michael Hanselmann (1): > backlight: Fix null pointer dereference in appledisplay driver > > Richard Purdie (15): > backlight: Add maintainer entry > backlight: Remove unneeded owner field > backlight: Minor code cleanups for corgi_bl.c > backlight: Minor code cleanups for hp680_bl.c > backlight: Fix external uses of backlight internal semaphore > backlight: Convert semaphore -> mutex > backlight: Remove uneeded nvidia set_power calls > backlight: Fix Kconfig entries > backlight/fbcon: Add FB_EVENT_CONBLANK > backlight: Remove uneeded update_status call from chipsfb.c > backlight: Remove unneeded backlight update_status calls > backlight: Rework backlight/fb interaction simplifying, lots > backlight: Clean up pmac_backlight handling > backlight: Separate backlight properties from backlight ops pointers > backlight: simplify corgi_bl locking > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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