Re: [PATCH] OMAP: Keypad driver

[Komal Shah <komal_shah802003@yahoo.com>]

--- Andrew Morton <akpm@osdl.org> wrote:

> 
> The code looks clean.
> 
> - Could use setup_timer().
> 
> - Check the return value from device_create_file() (and any and all
> such
>   similar functions), handle failure appropriately.
> 
> - I don't think the tasklet stopping code is correct. 
> tasklet_disable()
>   will prevent the callback from being called.  The del_timer_sync()
> will
>   kill off the timer.  But the just-killed timer handler might have
> left
>   the tasklet scheduled, and although it will not call the handler,
> the
>   high-level tasklet code can still execute, and will then start
> playing
>   with now-freed data.  A final tasklet_kill() should fix that up.
> 
> - Perhaps the probe function is requesting the IRQ too early?  The
> IRQ
>   handler can perhaps be called while the hardware is still being set
> up. 

Ok. I will move it before 
  
  omap_writew(0, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);

> 
> - Use INTF_TRIGGER_FALLING (etc), not the now-deprecated
> SA_TRIGGER_FALLING.

Thanx for the review. I will update the driver and submit the patch.

> 
> - The changelog needs work.  What's an OMAP? ;)

Ok. May changelog needs URL entry like http://linux.omap.com _or_
http://www.ti.com/omap :)

> 
> - Finally, by what authority does random_person@yahoo.com submit
> Nokia
>   and TI's code??  Please review Section 11 of
>   Documentation/SubmittingPatches, seek and obtain signoffs from the
> other
>   authors and then add your own, thanks.

I have CCed all the authors mentioned in the top of the driver file,
and I thought they will just reply with Signed-off-by: line. I never
added my name in Copyright, even when I did some re-organization of
omap keypad driver, which I thought was not major change :)

---Komal Shah
http://komalshah.blogspot.com/

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