@@ -267,17 +267,19 @@ 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);
- 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)
@@ -311,8 +313,10 @@ 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);
}
@@ -579,6 +579,7 @@ 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
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> --- v1->v2: call disable_irq() regardless of enable_irq_wake() result drivers/net/wireless/wl12xx/sdio.c | 26 +++++++++++++++----------- drivers/net/wireless/wl12xx/wl12xx.h | 1 + 2 files changed, 16 insertions(+), 11 deletions(-)