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wl12xx_sdio: enable wowlan only if enable_irq_wake() succeeded

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Some platforms don't support the wake_irq, so disable wowlan
in this case, and avoid the "Unbalanced IRQ wake disable"
warning on disable_irq_wake().

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Eliad Peller 2011-06-06 12:21:55 +03:00 committed by Luciano Coelho
parent 8a7cf3febb
commit 6bb0433215
2 changed files with 16 additions and 11 deletions
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26
drivers/net/wireless/wl12xx/sdio.c
View file

@ -272,18 +272,20 @@ static int __devinit wl1271_probe(struct sdio_func *func,
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);
/* 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;
}
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 (mmcflags & MMC_PM_KEEP_POWER)
hw->wiphy->wowlan.flags = WIPHY_WOWLAN_ANY;
ret = wl1271_init_ieee80211(wl);
if (ret)
goto out_irq;
@ -316,8 +318,10 @@ static void __devexit wl1271_remove(struct sdio_func *func)
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);
}

1
drivers/net/wireless/wl12xx/wl12xx.h
View file

@ -580,6 +580,7 @@ struct wl1271 {
* (currently, only "ANY" trigger is supported)
*/
bool wow_enabled;
bool irq_wake_enabled;
/*
* AP-mode - links indexed by HLID. The global and broadcast links