diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c index 8ba60f6f4915..9afaeb6d2af5 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c @@ -1045,7 +1045,9 @@ static int brcmf_ops_sdio_probe(struct sdio_func *func, bus_if->wowl_supported = true; #endif + sdiodev->sleeping = false; atomic_set(&sdiodev->suspend, false); + init_waitqueue_head(&sdiodev->idle_wait); brcmf_dbg(SDIO, "F2 found, calling brcmf_sdiod_probe...\n"); err = brcmf_sdiod_probe(sdiodev); @@ -1107,12 +1109,23 @@ void brcmf_sdio_wowl_config(struct device *dev, bool enabled) #ifdef CONFIG_PM_SLEEP static int brcmf_ops_sdio_suspend(struct device *dev) { - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; + struct brcmf_bus *bus_if; + struct brcmf_sdio_dev *sdiodev; mmc_pm_flag_t sdio_flags; brcmf_dbg(SDIO, "Enter\n"); + bus_if = dev_get_drvdata(dev); + sdiodev = bus_if->bus_priv.sdio; + + /* wait for watchdog to go idle */ + if (wait_event_timeout(sdiodev->idle_wait, sdiodev->sleeping, + msecs_to_jiffies(3 * BRCMF_WD_POLL_MS)) == 0) { + brcmf_err("bus still active\n"); + return -EBUSY; + } + /* disable watchdog */ + brcmf_sdio_wd_timer(sdiodev->bus, 0); atomic_set(&sdiodev->suspend, true); if (sdiodev->wowl_enabled) { @@ -1124,9 +1137,6 @@ static int brcmf_ops_sdio_suspend(struct device *dev) if (sdio_set_host_pm_flags(sdiodev->func[1], sdio_flags)) brcmf_err("Failed to set pm_flags %x\n", sdio_flags); } - - brcmf_sdio_wd_timer(sdiodev->bus, 0); - return 0; } |