diff options
| author | Fu, Zhonghui <zhonghui.fu@linux.intel.com> | 2016-01-22 07:35:26 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2016-02-29 13:02:52 +0300 |
| commit | 4e6a2ef9418cc48ecc5664c6549f52ad22330bc1 (patch) | |
| tree | ac0ae2e4c85ef4c710dc23e595056cef125bcb65 /drivers/mmc/host/sdhci-acpi.c | |
| parent | ccf7bfdc360820b4e089d7576eb074280c5ab4a3 (diff) | |
| download | linux-4e6a2ef9418cc48ecc5664c6549f52ad22330bc1.tar.xz | |
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: Zhonghui Fu <zhonghui.fu@linux.intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/sdhci-acpi.c')
| -rw-r--r-- | 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 a5cda926d38e..195ff0853dc8 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -418,6 +418,8 @@ static int sdhci_acpi_probe(struct platform_device *pdev) pm_runtime_enable(dev); } + device_enable_async_suspend(dev); + return 0; err_free: |