Messages in this thread | | | Subject | Re: [PATCH v2] mmc/sdhci-acpi: enable sdhci-acpi device to suspend/resume asynchronously | From | Andy Shevchenko <> | Date | Mon, 21 Sep 2015 12:32:09 +0300 |
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On Mon, 2015-09-21 at 14:51 +0800, Fu, Zhonghui wrote: > Now, PM core supports asynchronous suspend/resume mode for devices > during system suspend/resume, and the power state transition of one > device may be completed in separate kernel thread. PM core ensures > all power state transition timing dependency between devices. This > patch enables sdhci-acpi device to suspend/resume asynchronously. > This will take advantage of multicore and improve system > suspend/resume speed. >
It would be nice I think to put here statistics you collected as well.
> Signed-off-by: Zhonghui Fu <zhonghui.fu@linux.intel.com> > --- > Changes in v2: > - Amend commit message. > > drivers/mmc/host/sdhci-acpi.c | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-) > > diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci > -acpi.c > index 22d929f..67e6263 100644 > --- a/drivers/mmc/host/sdhci-acpi.c > +++ b/drivers/mmc/host/sdhci-acpi.c > @@ -379,6 +379,8 @@ static int sdhci_acpi_probe(struct > platform_device *pdev) > pm_runtime_enable(dev); > } > > + device_enable_async_suspend(dev); > + > return 0; > > err_free: > -- 1.7.1 >
-- Andy Shevchenko <andriy.shevchenko@linux.intel.com> Intel Finland Oy
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