Re: Broken locking in leds-lp5523.c

[Pali RohÃr]

On Wednesday 08 January 2014 01:32:15 Bryan Wu wrote:
> On Tue, Jan 7, 2014 at 12:42 PM, Pavel Machek <pavel@xxxxxx> 
wrote:
> > Hi!
> > 
> > There's some locking weirdness, and few missing comments in
> > lp5523 driver.
> > 
> > Now, this is untested patch from my reverse-engineering. I
> > hope I understood things right...
> > 
> > In particular, there's unbalanced unlock in
> > lp5523_update_program_memory, and
> > lp5523_update_program_memory needs to be protected by the
> > lock.
> > 
> > Comments? Does someone maintain this?
> 
> Actually the locking issue was fixed in my for-next branch,
> http://git.kernel.org/cgit/linux/kernel/git/cooloney/linux-led
> s.git/commit/?h=for-next&id=0d70bdb957cde2c25a4b3e4c93d0d33403
> 795be9
> 
> Thanks,
> -Bryan
> 

Now, with linus tree lp5523 driver does not work without above 
commit on Nokia N900 device. I think that commit should go to 
3.13 and stable... What do you think?

-- 
Pali RohÃr
pali.rohar@xxxxxxxxx

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