mfd/tc3589x: fix random interrupt misses

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On the TC35892, a random delayed interrupt clear (GPIO IC) write locks up the
child interrupts. In such a case, the original interrupt is active and not yet
acknowledged. Re-check the IRQST bit for any pending interrupts and handle
those.

Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Sundar Iyer <sundar.iyer@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>

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Sundar Iyer 2010-12-13 09:33:16 +05:30 • committed by Linus Walleij

parent 611b7590af

commit bd77efd0ce

1 changed files with 6 additions and 2 deletions

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drivers/mfd/tc3589x.c

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