diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2015-07-02 11:40:29 (GMT) |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2015-07-21 13:56:41 (GMT) |
| commit | e60ac9c7a4c8776b2503892dfd01f1b4d651245d (patch) | |
| tree | 1b75912e67ee2e06f706005ed0a818bebb3ac6f4 /drivers/net/wireless/ath/ath9k/xmit.c | |
| parent | cf7d5a80201066daac467d57a47b0826c2e88354 (diff) | |
| download | linux-e60ac9c7a4c8776b2503892dfd01f1b4d651245d.tar.xz | |
ath9k: make DMA stop related messages debug-only
A long time ago, ath9k had issues during reset where the DMA engine
would stay active and could potentially corrupt memory.
To debug those issues, the driver would print warnings whenever they
occur.
Nowadays, these issues are gone and the primary cause of these messages
is if the MAC is stuck during reset or busy processing a long
transmission. This is fairly harmless, yet these messages continue to
worry users.
To reduce the number of bogus bug reports, turn these messages into
debug messages and count their occurence in the "reset" debugfs file.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/xmit.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 3ad79bb..2c627f1 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1883,8 +1883,11 @@ bool ath_drain_all_txq(struct ath_softc *sc) npend |= BIT(i); } - if (npend) - ath_err(common, "Failed to stop TX DMA, queues=0x%03x!\n", npend); + if (npend) { + RESET_STAT_INC(sc, RESET_TX_DMA_ERROR); + ath_dbg(common, RESET, + "Failed to stop TX DMA, queues=0x%03x!\n", npend); + } for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) { if (!ATH_TXQ_SETUP(sc, i)) |