From: Ulf Hansson Date: Thu, 13 Oct 2016 11:37:39 +0000 (+0200) Subject: mmc: rtsx_usb_sdmmc: Enable runtime PM autosuspend X-Git-Tag: v4.14-rc1~1898^2~132 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=089d6aa64a211c964ec5d6140cf7b681bf8bd5da;p=platform%2Fkernel%2Flinux-rpi3.git mmc: rtsx_usb_sdmmc: Enable runtime PM autosuspend Enable runtime PM autosuspend for the rtsx_usb_sdmmc driver to avoid the device being runtime suspended and runtime resumed between each request. Let's use a default timeout of 50ms, to be consistent with other mmc hosts. Cc: Ritesh Raj Sarraf Cc: Alan Stern Signed-off-by: Ulf Hansson --- diff --git a/drivers/mmc/host/rtsx_usb_sdmmc.c b/drivers/mmc/host/rtsx_usb_sdmmc.c index 6e9c0f8..dc1abd1 100644 --- a/drivers/mmc/host/rtsx_usb_sdmmc.c +++ b/drivers/mmc/host/rtsx_usb_sdmmc.c @@ -1374,6 +1374,8 @@ static int rtsx_usb_sdmmc_drv_probe(struct platform_device *pdev) mutex_init(&host->host_mutex); rtsx_usb_init_host(host); + pm_runtime_use_autosuspend(&pdev->dev); + pm_runtime_set_autosuspend_delay(&pdev->dev, 50); pm_runtime_enable(&pdev->dev); #ifdef RTSX_USB_USE_LEDS_CLASS @@ -1428,6 +1430,7 @@ static int rtsx_usb_sdmmc_drv_remove(struct platform_device *pdev) mmc_free_host(mmc); pm_runtime_disable(&pdev->dev); + pm_runtime_dont_use_autosuspend(&pdev->dev); platform_set_drvdata(pdev, NULL); dev_dbg(&(pdev->dev),