Re: [PATCH 03/17] mmc: mmci: Mask IRQs for all variants during runtime suspend

From: Russell King - ARM Linux
Date: Tue Feb 18 2014 - 11:46:35 EST


On Tue, Feb 18, 2014 at 05:36:52PM +0100, Ulf Hansson wrote:
> If we add SDIO irq support to mmci in future; parts of that
> implementation includes a re-route of DAT1 to a GPIO irq when entering
> runtime suspend state. The mmci HW will in runtime suspend state, not
> be responsible for handling irqs, which is the same as of today.

Note that the "irq thread" in sdio_irq is scheduled for destruction -
it's buggy when the system is under high load and a driver claims a
SDIO irq. Sched people hate it too...

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