Messages in this thread | | | Date | Wed, 9 Oct 2013 18:55:28 +0100 | From | Mark Brown <> | Subject | Re: [PATCH 3/3] spi: attach/detach SPI device to the ACPI power domain |
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On Wed, Oct 09, 2013 at 05:04:21PM +0300, Mika Westerberg wrote: > If the SPI device is enumerated from ACPI namespace (it has an ACPI handle) > it might have ACPI methods that needs to be called in order to transition > the device to different power states (such as _PSx).
Acked-by: Mark Brown <broonie@linaro.org>
> + if (ACPI_HANDLE(&spi->dev)) > + acpi_dev_pm_attach(&spi->dev, true);
Though I do wonder if it wouldn't be sensible to push the if () here inside acpi_dev_pm_attach() and similarly for _detach(). Terribly trivial either way. [unhandled content-type:application/pgp-signature] | |