Re: [Uclinux-dist-devel] [PATCH v2] input/misc: PCF8574 I2C keypad input device driver

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On Tue, Mar 9, 2010 at 16:21, Dmitry Torokhov wrote:
> On Tue, Mar 09, 2010 at 04:01:53PM -0500, Mike Frysinger wrote:
>> From: Bryan Wu <cooloney@xxxxxxxxxx>
>>
>> Signed-off-by: Bryan Wu <cooloney@xxxxxxxxxx>
>> Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>
>> ---
>> v2
>>       - process all feedback from Dmitry except for threaded irqs; that'll have to be done later
>
> Could I ask why? As it stands the remove() is racy WRT to a work
> running. But if you simply add cancel_work_sync() you'll risk leaving
> unbalanced enable_irq()/disable_irq().

ive never worked with threaded irq handlers before.  i'll have to read
about them before i can do the work.  i'm not suggesting you take the
driver now as is ... having it on a list in case someone else wants a
mostly-ok driver.
-mike
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