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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>
This commit is contained in:
Rajkumar Manoharan 2012-06-12 10:13:53 +05:30 committed by John W. Linville
parent dfd0587a7d
commit 3c7992e33a
3 changed files with 15 additions and 3 deletions
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1
drivers/net/wireless/ath/ath9k/ath9k.h
View File

@ -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;

3
drivers/net/wireless/ath/ath9k/main.c
View File

@ -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)

14
drivers/net/wireless/ath/ath9k/mci.c
View File

@ -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;