Re: [PATCH 1/3 2.6.39] Input: wm831x-ts - Fix races with IRQ management

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Apr 19, 2011 at 07:17:52PM +0100, Mark Brown wrote:
> If the WM831x pen down and data IRQs run in parallel it is possible for the
> data and pen down IRQs to deadlock themselves as one is part way through
> disabling its operation while the other is part way through enabling. Fix
> this by always disabling the pen down interrupt while data is active and
> vice versa.  When a changeover is required we disable the IRQ that is to
> be stopped then schedule work that will enable the new IRQ.

Any updates on this?
--
To unsubscribe from this list: send the line "unsubscribe linux-input" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Media Devel]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Linux Wireless Networking]     [Linux Omap]

  Powered by Linux