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authorThomas Gleixner <tglx@linutronix.de>2012-02-08 11:57:52 +0100
committerThomas Gleixner <tglx@linutronix.de>2012-02-15 11:56:59 +0100
commitb4bc724e82e80478cba5fe9825b62e71ddf78757 (patch)
tree81f2ba0bcbb1ac50837c1c0e5ae8b606e22d47da /kernel/up.c
parentac5637611150281f398bb7a47e3fcb69a09e7803 (diff)
genirq: Handle pending irqs in irq_startup()
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> Cc: stable@vger.kernel.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/up.c')
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