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 <r...@researchut.com>
Cc: Alan Stern <st...@rowland.harvard.edu>
Signed-off-by: Ulf Hansson <ulf.hans...@linaro.org>
---
drivers/mmc/host/rtsx_usb_sdmmc.c | 3 +++
1 file changed, 3 insertions(+)
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),
--
1.9.1
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