Re: [PATCH 0/6] Fixes for ALPS trackstick

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On Monday 02 February 2015 06:49:31 Dmitry Torokhov wrote:
> On Sun, Jan 18, 2015 at 10:47:06AM +0100, Pali Rohár wrote:
> > On Sunday 18 January 2015 08:22:45 Dmitry Torokhov wrote:
> > > On Sat, Jan 17, 2015 at 11:01:56AM +0100, Pali Rohár wrote:
> > > > On Thursday 15 January 2015 22:02:16 Dmitry Torokhov 
wrote:
> > > > > On Thu, Jan 15, 2015 at 09:28:41PM +0100, Pali Rohár 
wrote:
> > > > > > On Thursday 15 January 2015 20:38:18 Dmitry Torokhov
> > 
> > wrote:
> > > > > > > On Thu, Jan 15, 2015 at 08:19:59PM +0100, Pali
> > > > > > > Rohár
> > 
> > wrote:
> > > > > > > > On Thursday 15 January 2015 19:18:20 Dmitry
> > > > > > > > Torokhov
> > > > 
> > > > wrote:
> > > > > > > > > On Thu, Jan 15, 2015 at 11:49:32AM +0100, Pali
> > > > > > > > > Rohár
> > > > 
> > > > wrote:
> > > > > > > > > > On Wednesday 14 January 2015 23:55:48 Dmitry
> > > > > > > > > > Torokhov
> > > > > > 
> > > > > > wrote:
> > > > > > > > > > > Hi Pali,
> > > > > > > > > > > 
> > > > > > > > > > > This series try to address the issue you
> > > > > > > > > > > brought regarding trackstick
> > > > > > > > > > > initialization on Dell Latitudes in a
> > > > > > > > > > > different way than the patches you
> > > > > > > > > > > proposed. Basically in this series we
> > > > > > > > > > > move resetting and all detection in
> > > > > > > > > > > alps_detect() and make sure we keep the
> > > > > > > > > > > state so alps_init() can reuse it and not
> > > > > > > > > > > perform the detection all over again.
> > > > > > > > > > > Doing this allows us to set up device
> > > > > > > > > > > characteristics (name, version, etc)
> > > > > > > > > > > properly from the get go while still
> > > > > > > > > > > performing reset only once.
> > > > > > > > > > > 
> > > > > > > > > > > This is untested as I do not have any ALPS
> > > > > > > > > > > devices anymore so I'd appreciate you
> > > > > > > > > > > giving it a spin.
> > > > > > > > > > > 
> > > > > > > > > > > Thanks!
> > > > > > > > > > 
> > > > > > > > > > Hi Dmitry,
> > > > > > > > > > 
> > > > > > > > > > on top of which branch/repository should I
> > > > > > > > > > apply your patches?
> > > > > > > > > 
> > > > > > > > > Should be applicable to my 'next' branch
> > > > > > > > > (which I just upreved to 3.19-rc4).
> > > > > > > > > 
> > > > > > > > > Thanks.
> > > > > > > > 
> > > > > > > > Not working at top of next (0c3e994).
> > > > > > > > 
> > > > > > > > Applying: Input: ALPS - renumber protocol
> > > > > > > > numbers Applying: Input: ALPS - make Rushmore a
> > > > > > > > separate protocol error: patch failed:
> > > > > > > > drivers/input/mouse/alps.c:1275 error:
> > > > > > > > drivers/input/mouse/alps.c: patch does not apply
> > > > > > > > Patch failed at 0002 Input: ALPS - make Rushmore
> > > > > > > > a separate protocol
> > > > > > > 
> > > > > > > Hmm.. I created a new alps branch (based on
> > > > > > > 3.19-rc4), can you try it?
> > > > > > > 
> > > > > > > Thanks.
> > > > > > 
> > > > > > Compiled from your new alps branch (with "if
> > > > > > (!priv)" fix) and modprobing psmouse.ko caused
> > > > > > laptop freeze :-( Even sysrq not responded. So
> > > > > > something is not working...
> > > > > 
> > > > > Hmm, is it on text console or in X? Any chance you
> > > > > could go through pathes - there are only 8 of them
> > > > > including 2 of yours that should be unmodified.
> > > > > 
> > > > > Thanks.
> > > > 
> > > > Hi, now I tested patch by patch and kernel crash is
> > > > caused only by last patch 6/6 and only after I touch
> > > > touchpad or trackstick.
> > > > 
> > > > In text console it prints lot of panic messages and
> > > > because it prints lot of messages I cannot read (or
> > > > record) more then last.
> > > > 
> > > > In last call trace I see that
> > > > alps_register_bare_ps2_mouse() was called and it
> > > > generated page_fault.
> > > 
> > > That happens because while you added priv->psmouse pointer
> > > it looks like you forgot to initialize it and I missed
> > > that too...
> > 
> > Right your patch 6/6 does not initialize priv->psmouse. I
> > looked into my original patch and it initialize it, so
> > there was some copy-paste error.
> > 
> > Look at other emails... can you fix problems and send new
> > version of your patches for testing?
> 
> I think I did. Can you please take another look at my alps
> branch?
> 
> Thanks!

You did not fixed commit message which add dev3 device. It should 
be "do not mix trackstick ...".

-- 
Pali Rohár
pali.rohar@xxxxxxxxx

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