diff options
| author |   Rajkumar Manoharan <rmanohar@qca.qualcomm.com> | 2012-06-12 10:13:53 +0530 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2012-06-13 14:35:56 -0400 |
| commit | 3c7992e33ab8d0c625a45ded11cc10d5b622bcd4 (patch) | |
| tree | 3f09d4b57c3df556a5281704ffb86e199685df2f | |
| parent | ath9k: keep btcoex period in milliseconds (diff) | |
| download | linux-dev-3c7992e33ab8d0c625a45ded11cc10d5b622bcd4.tar.xz linux-dev-3c7992e33ab8d0c625a45ded11cc10d5b622bcd4.zip | |
ath9k: defer btcoex scheme update
As btcoex scheme updation might sleep, remove the function call
from tasklet context and queue it up as a separate work.
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ath9k.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/mci.c | 14 |
3 files changed, 15 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 02fc1c1e5eeb..a8c050085648 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -698,6 +698,7 @@ struct ath_softc { #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT struct ath_btcoex btcoex; struct ath_mci_coex mci_coex; + struct work_struct mci_work; #endif struct ath_descdma txsdma; diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index e655f2a907b5..a6f83b683db1 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -150,6 +150,9 @@ static void __ath_cancel_work(struct ath_softc *sc) cancel_work_sync(&sc->hw_check_work); cancel_delayed_work_sync(&sc->tx_complete_work); cancel_delayed_work_sync(&sc->hw_pll_work); +#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT + cancel_work_sync(&sc->mci_work); +#endif } static void ath_cancel_work(struct ath_softc *sc) diff --git a/drivers/net/wireless/ath/ath9k/mci.c b/drivers/net/wireless/ath/ath9k/mci.c index 92d61cc0c8e5..e53df86dfce5 100644 --- a/drivers/net/wireless/ath/ath9k/mci.c +++ b/drivers/net/wireless/ath/ath9k/mci.c @@ -52,7 +52,7 @@ static bool ath_mci_add_profile(struct ath_common *common, (info->type != MCI_GPM_COEX_PROFILE_VOICE)) return false; - entry = kzalloc(sizeof(*entry), GFP_KERNEL); + entry = kzalloc(sizeof(*entry), GFP_ATOMIC); if (!entry) return false; @@ -219,6 +219,13 @@ static void ath_mci_cal_msg(struct ath_softc *sc, u8 opcode, u8 *rx_payload) } } +static void ath9k_mci_work(struct work_struct *work) +{ + struct ath_softc *sc = container_of(work, struct ath_softc, mci_work); + + ath_mci_update_scheme(sc); +} + static void ath_mci_process_profile(struct ath_softc *sc, struct ath_mci_profile_info *info) { @@ -249,7 +256,7 @@ static void ath_mci_process_profile(struct ath_softc *sc, btcoex->duty_cycle = ATH_BTCOEX_DEF_DUTY_CYCLE; } - ath_mci_update_scheme(sc); + ieee80211_queue_work(sc->hw, &sc->mci_work); } static void ath_mci_process_status(struct ath_softc *sc, @@ -283,7 +290,7 @@ static void ath_mci_process_status(struct ath_softc *sc, } while (++i < ATH_MCI_MAX_PROFILE); if (old_num_mgmt != mci->num_mgmt) - ath_mci_update_scheme(sc); + ieee80211_queue_work(sc->hw, &sc->mci_work); } static void ath_mci_msg(struct ath_softc *sc, u8 opcode, u8 *rx_payload) @@ -377,6 +384,7 @@ int ath_mci_setup(struct ath_softc *sc) mci->gpm_buf.bf_addr, (mci->gpm_buf.bf_len >> 4), mci->sched_buf.bf_paddr); + INIT_WORK(&sc->mci_work, ath9k_mci_work); ath_dbg(common, MCI, "MCI Initialized\n"); return 0; |