Re: [PATCH] sdio: fix suspend/resume regression

[Maxim Levitsky]

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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/