From: Thomas Gleixner Date: Mon, 18 Feb 2008 17:25:17 +0000 (+0100) Subject: genirq: do not leave interupts enabled on free_irq X-Git-Tag: v2.6.25-rc3~124^2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=89d694b9dbe769ca1004e01db0ca43964806a611;p=pandora-kernel.git genirq: do not leave interupts enabled on free_irq The default_disable() function was changed in commit: 76d2160147f43f982dfe881404cfde9fd0a9da21 genirq: do not mask interrupts by default It removed the mask function in favour of the default delayed interrupt disabling. Unfortunately this also broke the shutdown in free_irq() when the last handler is removed from the interrupt for those architectures which rely on the default implementations. Now we can end up with a enabled interrupt line after the last handler was removed, which can result in spurious interrupts. Fix this by adding a default_shutdown function, which is only installed, when the irqchip implementation does provide neither a shutdown nor a disable function. [@stable: affected versions: .21 - .24 ] Pointed-out-by: Michael Hennerich Signed-off-by: Thomas Gleixner Acked-by: Ingo Molnar Cc: stable@kernel.org Tested-by: Michael Hennerich --- Reading git-diff-tree failed