diff options
| author | Ricky Wu <ricky_wu@realtek.com> | 2020-12-02 14:58:57 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-12-09 19:42:18 +0100 |
| commit | 5b4258f6721f41b092c63f6ee71be76e9616718b (patch) | |
| tree | d03baa1087a1555f7716c288ec1e3012cf12da11 /drivers/mmc/host | |
| parent | 121e9c6b5c4cad63e078f1fc5890f265521d2994 (diff) | |
misc: rtsx: rts5249 support runtime PM
rtsx_pcr:
add callback functions to support runtime PM
add delay_work to put device to D3 after idle
over 10 sec
rts5249:
add extra init flow for rtd3 and set rtd3_en from
config setting
rtsx_pci_sdmmc:
child device support autosuspend
Signed-off-by: Ricky Wu <ricky_wu@realtek.com>
Link: https://lore.kernel.org/r/20201202065857.19412-1-ricky_wu@realtek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/mmc/host')
| -rw-r--r-- | drivers/mmc/host/rtsx_pci_sdmmc.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c index eb395e144207..a7b5ad17bcf5 100644 --- a/drivers/mmc/host/rtsx_pci_sdmmc.c +++ b/drivers/mmc/host/rtsx_pci_sdmmc.c @@ -20,6 +20,7 @@ #include <linux/mmc/card.h> #include <linux/rtsx_pci.h> #include <asm/unaligned.h> +#include <linux/pm_runtime.h> struct realtek_pci_sdmmc { struct platform_device *pdev; @@ -1343,6 +1344,7 @@ static void init_extra_caps(struct realtek_pci_sdmmc *host) static void realtek_init_host(struct realtek_pci_sdmmc *host) { struct mmc_host *mmc = host->mmc; + struct rtsx_pcr *pcr = host->pcr; mmc->f_min = 250000; mmc->f_max = 208000000; @@ -1350,6 +1352,8 @@ static void realtek_init_host(struct realtek_pci_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; + if (pcr->rtd3_en) + mmc->caps = mmc->caps | MMC_CAP_AGGRESSIVE_PM; mmc->caps2 = MMC_CAP2_NO_PRESCAN_POWERUP | MMC_CAP2_FULL_PWR_CYCLE; mmc->max_current_330 = 400; mmc->max_current_180 = 800; @@ -1407,6 +1411,13 @@ static int rtsx_pci_sdmmc_drv_probe(struct platform_device *pdev) realtek_init_host(host); + if (pcr->rtd3_en) { + pm_runtime_set_autosuspend_delay(&pdev->dev, 5000); + pm_runtime_use_autosuspend(&pdev->dev); + pm_runtime_enable(&pdev->dev); + } + + mmc_add_host(mmc); return 0; @@ -1426,6 +1437,11 @@ static int rtsx_pci_sdmmc_drv_remove(struct platform_device *pdev) pcr->slots[RTSX_SD_CARD].card_event = NULL; mmc = host->mmc; + if (pcr->rtd3_en) { + pm_runtime_dont_use_autosuspend(&pdev->dev); + pm_runtime_disable(&pdev->dev); + } + cancel_work_sync(&host->work); mutex_lock(&host->host_mutex); |