On Wednesday, February 12, 2014 10:15 AM, Greg KH wrote:
> On Mon, Feb 10, 2014 at 11:49:33AM -0700, H Hartley Sweeten wrote:
>> Use comedi_timeout() to wait for the analog input and output end-of-
>> conversion.
>> 
>> Use break to exit the loop when a timeout occurs during the analog
>> input read so that common code can be used to disable the device.

<snip>

> How come these writew() calls are removed?  Don't we still need to do
> them in failure mode?

The break causes the common exit code to be used to disable the interrupt
and clear the interrupt status when a timeout occurs.

Regards,
Hartley

_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel

Reply via email to