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Commit 4e6a2ef9 authored by Fu, Zhonghui's avatar Fu, Zhonghui Committed by Ulf Hansson
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mmc: sdhci-acpi: enable sdhci-acpi device to suspend/resume asynchronously 



This patch enables sdhci-acpi devices to suspend/resume asynchronously.
This will improve system suspend/resume speed. After enabling the
sdhci-acpi devices and all their child devices to suspend/resume
asynchronously on ASUS T100TA, the system suspend-to-idle time is
reduced from 1645ms to 1089ms, and the system resume time is reduced
from 940ms to 908ms.

Signed-off-by: default avatarZhonghui Fu <zhonghui.fu@linux.intel.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent ccf7bfdc

drivers/mmc/host/sdhci-acpi.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -418,6 +418,8 @@ static int sdhci_acpi_probe(struct platform_device *pdev) 
		pm_runtime_enable(dev);

		pm_runtime_enable(dev);

	}

	}





	device_enable_async_suspend(dev);



	return 0;

	return 0;





err_free:

err_free: