diff options
| author | Alan Cox <alan@linux.intel.com> | 2013-01-25 01:28:15 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2013-02-08 03:02:40 +0100 |
| commit | 50e244cc793d511b86adea24972f3a7264cae114 (patch) | |
| tree | de59e5f228a256ad09521524639e1b5b6e49b8cc /drivers/video/backlight/atmel-pwm-bl.c | |
| parent | x86/intel/cacheinfo: Shut up annoying warning (diff) | |
| download | linux-50e244cc793d511b86adea24972f3a7264cae114.tar.xz linux-50e244cc793d511b86adea24972f3a7264cae114.zip | |
fb: rework locking to fix lock ordering on takeover
Adjust the console layer to allow a take over call where the caller
already holds the locks. Make the fb layer lock in order.
This is partly a band aid, the fb layer is terminally confused about the
locking rules it uses for its notifiers it seems.
[akpm@linux-foundation.org: remove stray non-ascii char, tidy comment]
[akpm@linux-foundation.org: export do_take_over_console()]
[airlied: cleanup another non-ascii char]
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: stable <stable@vger.kernel.org>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/video/backlight/atmel-pwm-bl.c')
0 files changed, 0 insertions, 0 deletions