diff options
| author | Eliad Peller <eliad@wizery.com> | 2011-06-06 09:21:55 (GMT) |
|---|---|---|
| committer | Luciano Coelho <coelho@ti.com> | 2011-06-27 10:35:53 (GMT) |
| commit | 6bb043321569ac356c790a8d3bd759742e1f9352 (patch) | |
| tree | e02ff4f1e09d70a78cecbb1136408c0a3fde5272 /drivers | |
| parent | 8a7cf3febbb2b7c1ade717ddb3065de67c5983c5 (diff) | |
| download | linux-fsl-qoriq-6bb043321569ac356c790a8d3bd759742e1f9352.tar.xz | |
wl12xx_sdio: enable wowlan only if enable_irq_wake() succeeded
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/wl12xx/sdio.c | 26 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl12xx.h | 1 |
2 files changed, 16 insertions, 11 deletions
diff --git a/drivers/net/wireless/wl12xx/sdio.c b/drivers/net/wireless/wl12xx/sdio.c index 2521519..4dc4573 100644 --- a/drivers/net/wireless/wl12xx/sdio.c +++ b/drivers/net/wireless/wl12xx/sdio.c @@ -272,17 +272,19 @@ 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) @@ -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); } diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h index 8d6c8f2..145a14c 100644 --- a/drivers/net/wireless/wl12xx/wl12xx.h +++ b/drivers/net/wireless/wl12xx/wl12xx.h @@ -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 |