diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2011-10-07 02:28:13 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-10-11 16:41:13 -0400 |
| commit | 030d6294351bfb0e29e2814bb8f6e6c2e25ffb54 (patch) | |
| tree | 0806ba8083596a73a0c274dc251bcddadfc08814 /drivers/net/wireless/ath/ath9k/main.c | |
| parent | 34d25810c7e73e49eed39a5d66170f3516a3c734 (diff) | |
| download | op-kernel-dev-030d6294351bfb0e29e2814bb8f6e6c2e25ffb54.zip op-kernel-dev-030d6294351bfb0e29e2814bb8f6e6c2e25ffb54.tar.gz | |
ath9k: keep track of what's triggering hardware resets
Export how many times each of the reset triggers has fired through debugfs.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/main.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 9883186..366912f 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -679,6 +679,16 @@ void ath9k_tasklet(unsigned long data) if ((status & ATH9K_INT_FATAL) || (status & ATH9K_INT_BB_WATCHDOG)) { +#ifdef CONFIG_ATH9K_DEBUGFS + enum ath_reset_type type; + + if (status & ATH9K_INT_FATAL) + type = RESET_TYPE_FATAL_INT; + else + type = RESET_TYPE_BB_WATCHDOG; + + RESET_STAT_INC(sc, type); +#endif ieee80211_queue_work(sc->hw, &sc->hw_reset_work); goto out; } @@ -995,8 +1005,10 @@ void ath_hw_check(struct work_struct *work) ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, " "busy=%d (try %d)\n", busy, sc->hw_busy_count + 1); if (busy >= 99) { - if (++sc->hw_busy_count >= 3) + if (++sc->hw_busy_count >= 3) { + RESET_STAT_INC(sc, RESET_TYPE_BB_HANG); ieee80211_queue_work(sc->hw, &sc->hw_reset_work); + } } else if (busy >= 0) sc->hw_busy_count = 0; @@ -1016,6 +1028,7 @@ static void ath_hw_pll_rx_hang_check(struct ath_softc *sc, u32 pll_sqsum) /* Rx is hung for more than 500ms. Reset it */ ath_dbg(common, ATH_DBG_RESET, "Possible RX hang, resetting"); + RESET_STAT_INC(sc, RESET_TYPE_PLL_HANG); ieee80211_queue_work(sc->hw, &sc->hw_reset_work); count = 0; } |
