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authorThomas Gleixner <tglx@linutronix.de>2012-02-08 11:57:52 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-02-29 16:34:29 -0800
commitfd844dabebb45631b2e99a02ee6601ca136f10bd (patch)
treec3248a0de08819d0ab23ec217936a307b35d91f1 /arch/powerpc
parentb7f0787da3657100fe8fc8b3f0565b0bee341510 (diff)
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genirq: Handle pending irqs in irq_startup()
commit b4bc724e82e80478cba5fe9825b62e71ddf78757 upstream. An interrupt might be pending when irq_startup() is called, but the startup code does not invoke the resend logic. In some cases this prevents the device from issuing another interrupt which renders the device non functional. Call the resend function in irq_startup() to keep things going. Reported-and-tested-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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