diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/rtsx_usb_sdmmc.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/drivers/mmc/host/rtsx_usb_sdmmc.c b/drivers/mmc/host/rtsx_usb_sdmmc.c index ca0ab8eb30c3..669c6ab021c8 100644 --- a/drivers/mmc/host/rtsx_usb_sdmmc.c +++ b/drivers/mmc/host/rtsx_usb_sdmmc.c @@ -28,6 +28,7 @@ #include <linux/mmc/sd.h> #include <linux/mmc/card.h> #include <linux/scatterlist.h> +#include <linux/pm.h> #include <linux/pm_runtime.h> #include <linux/rtsx_usb.h> @@ -1324,7 +1325,7 @@ static void rtsx_usb_init_host(struct rtsx_usb_sdmmc *host) mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED | MMC_CAP_BUS_WIDTH_TEST | MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 | MMC_CAP_UHS_SDR50 | - MMC_CAP_NEEDS_POLL | MMC_CAP_ERASE | MMC_CAP_SYNC_RUNTIME_PM; + MMC_CAP_ERASE | MMC_CAP_SYNC_RUNTIME_PM; mmc->caps2 = MMC_CAP2_NO_PRESCAN_POWERUP | MMC_CAP2_FULL_PWR_CYCLE | MMC_CAP2_NO_SDIO; @@ -1429,6 +1430,31 @@ static int rtsx_usb_sdmmc_drv_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM +static int rtsx_usb_sdmmc_runtime_suspend(struct device *dev) +{ + struct rtsx_usb_sdmmc *host = dev_get_drvdata(dev); + + host->mmc->caps &= ~MMC_CAP_NEEDS_POLL; + return 0; +} + +static int rtsx_usb_sdmmc_runtime_resume(struct device *dev) +{ + struct rtsx_usb_sdmmc *host = dev_get_drvdata(dev); + + host->mmc->caps |= MMC_CAP_NEEDS_POLL; + if (sdmmc_get_cd(host->mmc) == 1) + mmc_detect_change(host->mmc, 0); + return 0; +} +#endif + +static const struct dev_pm_ops rtsx_usb_sdmmc_dev_pm_ops = { + SET_RUNTIME_PM_OPS(rtsx_usb_sdmmc_runtime_suspend, + rtsx_usb_sdmmc_runtime_resume, NULL) +}; + static const struct platform_device_id rtsx_usb_sdmmc_ids[] = { { .name = "rtsx_usb_sdmmc", @@ -1444,6 +1470,7 @@ static struct platform_driver rtsx_usb_sdmmc_driver = { .id_table = rtsx_usb_sdmmc_ids, .driver = { .name = "rtsx_usb_sdmmc", + .pm = &rtsx_usb_sdmmc_dev_pm_ops, }, }; module_platform_driver(rtsx_usb_sdmmc_driver); |