ret = pm_runtime_get_sync(&func->dev);
if (ret)
goto out;
+ } else {
+ /* Runtime PM is disabled: power up the card manually */
+ ret = mmc_power_restore_host(func->card->host);
+ if (ret < 0)
+ goto out;
}
- /* Runtime PM might be disabled, so power up the card manually */
- ret = mmc_power_restore_host(func->card->host);
- if (ret < 0)
- goto out;
-
sdio_claim_host(func);
sdio_enable_func(func);
sdio_disable_func(func);
sdio_release_host(func);
- /* Runtime PM might be disabled, so power off the card manually */
+ /* Power off the card manually, even if runtime PM is enabled. */
ret = mmc_power_save_host(func->card->host);
if (ret < 0)
return ret;
goto out_free;
}
- enable_irq_wake(wl->irq);
- device_init_wakeup(wl1271_sdio_wl_to_dev(wl), 1);
+ ret = enable_irq_wake(wl->irq);
+ if (!ret) {
+ wl->irq_wake_enabled = true;
+ device_init_wakeup(wl1271_sdio_wl_to_dev(wl), 1);
- disable_irq(wl->irq);
+ /* if sdio can keep power while host is suspended, enable wow */
+ mmcflags = sdio_get_host_pm_caps(func);
+ wl1271_debug(DEBUG_SDIO, "sdio PM caps = 0x%x", mmcflags);
- /* if sdio can keep power while host is suspended, enable wow */
- mmcflags = sdio_get_host_pm_caps(func);
- wl1271_debug(DEBUG_SDIO, "sdio PM caps = 0x%x", mmcflags);
-
- if (mmcflags & MMC_PM_KEEP_POWER)
- hw->wiphy->wowlan.flags = WIPHY_WOWLAN_ANY;
+ if (mmcflags & MMC_PM_KEEP_POWER)
+ hw->wiphy->wowlan.flags = WIPHY_WOWLAN_ANY;
+ }
+ disable_irq(wl->irq);
ret = wl1271_init_ieee80211(wl);
if (ret)
pm_runtime_get_noresume(&func->dev);
wl1271_unregister_hw(wl);
- device_init_wakeup(wl1271_sdio_wl_to_dev(wl), 0);
- disable_irq_wake(wl->irq);
+ if (wl->irq_wake_enabled) {
+ device_init_wakeup(wl1271_sdio_wl_to_dev(wl), 0);
+ disable_irq_wake(wl->irq);
+ }
free_irq(wl->irq, wl);
wl1271_free_hw(wl);
}