[PATCH] gpio: mxs: implement get_direction callback
Janusz Użycki
j.uzycki at elproma.com.pl
Mon Nov 17 06:29:30 PST 2014
Hi Richard,
W dniu 2014-11-17 o 11:05, Richard Genoud pisze:
> 2014-11-17 10:59 GMT+01:00 Uwe Kleine-König <u.kleine-koenig at pengutronix.de>:
>
> well, in this case, request_irq() will fail and all the previously
> requested irqs will be freed:
> /*
> * If something went wrong, rollback.
> */
> while (err && (--i >= 0))
> if (irq[i] >= 0)
> free_irq(irq[i], port);
I hesitate if use the rollback or just call mctrl_gpio_free_irqs().
Let's note that "i" is enum and the loop ends on i < 0.
best regards
Janusz
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