Re: [PATCH v2 2/3] sdhci-pci : Enable runtime PM support

From: Matthew Garrett
Date: Fri Feb 25 2011 - 09:55:05 EST

On Fri, Feb 25, 2011 at 07:33:12AM +0000, Tardy, Pierre wrote:

> My understanding is the pci driver is not supposed to do any set_power_state/pci_save_state/wake_enable.
> Everything is supposed to be generically handle by pci frameworks's runtime_pm impl.
> Need confirmation from Rafael.

The core can only enable PME generation, it can't configure what
generates PMEs. There's a register in sdhci that needs to be programmed
to enable wakeups on card insert/removal/interrupt. If you don't then
you won't get a PME no matter what the core does.

Matthew Garrett | mjg59@xxxxxxxxxxxxx
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