[PATCH] sdio: fix suspend/resume regression

Maxim Levitsky maximlevitsky at gmail.com
Thu Oct 21 20:25:11 EDT 2010

On Thu, 2010-10-21 at 19:55 -0400, Nicolas Pitre wrote:
> On Fri, 22 Oct 2010, Maxim Levitsky wrote:
> > So what happens if you set .suspend to NULL? instead of -ENOSYS return?
> At run time, the driver may decide to handle the suspend request and 
> return 0, or decide to simply return -ENOSYS if it doesn't want to 
> bother with the suspend meaning that the card should be removed, or 
> return another error code meaning that the suspend request must be 
> aborted.

I am afraid that this is very hard to support.
If .suspend would be called from pm notifier, it would create problems
last time I checked.
Or maybe it won't?
I will test that again, as it might be very nice solution.
I could even just call the mmc_suspend_host from the pm notifier.

Best regards,
	Maxim Levitsky

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