serial: samsung: Restore IRQ mask during noirq resume

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This closes a window where the system may hang in resume as soon as the
UART interrupt is enabled and before the mask is restored. The hang occurs
because the driver can't handle IRQs it thinks are masked.

Signed-off-by: Michael Spang <spang@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Michael Spang 2013-03-27 19:34:24 -04:00 • committed by Greg Kroah-Hartman

parent b6ad293555

commit d09a7308e9

1 changed files with 20 additions and 0 deletions

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drivers/tty/serial/samsung.c

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