diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c index 2e155bba2aa3f07bca50d9f510dc9c832f044f52..b8e249909699166df07c3787176ced4bb3393092 100644 --- a/drivers/net/wireless/ath/ath10k/sdio.c +++ b/drivers/net/wireless/ath/ath10k/sdio.c @@ -1859,7 +1859,7 @@ static void ath10k_sdio_hif_stop(struct ath10k *ar) static int ath10k_sdio_hif_suspend(struct ath10k *ar) { - return -EOPNOTSUPP; + return 0; } static int ath10k_sdio_hif_resume(struct ath10k *ar) @@ -2009,7 +2009,26 @@ static const struct ath10k_hif_ops ath10k_sdio_hif_ops = { */ static int ath10k_sdio_pm_suspend(struct device *device) { - return 0; + struct sdio_func *func = dev_to_sdio_func(device); + struct ath10k_sdio *ar_sdio = sdio_get_drvdata(func); + struct ath10k *ar = ar_sdio->ar; + mmc_pm_flag_t pm_flag, pm_caps; + int ret; + + if (!device_may_wakeup(ar->dev)) + return 0; + + pm_flag = MMC_PM_KEEP_POWER; + + ret = sdio_set_host_pm_flags(func, pm_flag); + if (ret) { + pm_caps = sdio_get_host_pm_caps(func); + ath10k_warn(ar, "failed to set sdio host pm flags (0x%x, 0x%x): %d\n", + pm_flag, pm_caps, ret); + return ret; + } + + return ret; } static int ath10k_sdio_pm_resume(struct device *device)