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authorDavid Brownell <david-b@pacbell.net>2007-01-23 23:21:36 -0500
committerHaavard Skinnemoen <hskinnemoen@atmel.com>2007-02-09 09:01:57 -0500
commit58febc0b1374de7506277d3aa9e9cddaea62ba65 (patch)
treead9774f80d34d33e8cf125eeb92b4ca66d1c40eb /arch/frv
parenta3d912c8fa709c4078ceaabf4d71001190e19325 (diff)
[AVR32] ext int fixes
Bugfixes for external irq handler set_irq_type(): - If set_irq_type() can't set the type, don't change anything! - It's not OK to change the flow handler as part of set_irq_type(), among other issues that violates spinlock rules. Instead, we can call the relevant handler when we demux the external interrupts. - The external irq demux has no need to grab the spinlock. And in fact grabbing it that way was wrong, since that code might be pre-empted by an irq at a different priority level, and that code might then have tried to grab that spinlock... Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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