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authorAlexey Starikovskiy <astarikovskiy@suse.de>2008-03-11 13:30:00 -0400
committerLen Brown <len.brown@intel.com>2008-03-11 13:30:00 -0400
commit2c81ce4c9c37b910210f2640c28e98a0c398dc26 (patch)
treee46ccf30836014d115e72791263697585f7943f6 /arch/mips/pci
parent2f44bbb495dd3e6d0209eff2257438ab9c570e5b (diff)
ACPI: EC: Handle IRQ storm on Acer laptops
On some Acer systems, the HW fails to clear the GPE source, causing an interrupt storm. So in EC interrupt mode, we count how many interrupts we receive when waiting. If we get more than 5, we give up on interrupt mode and revert to polling mode. Also, for polling mode to work on Acers, we need to insert a delay. Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
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