diff options
| author | Senthil Balasubramanian <senthilkumar@atheros.com> | 2008-12-08 19:43:50 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-12-12 13:48:30 -0500 |
| commit | 8aa15e1506bb0b6b643be12baf1f2d4d2f115931 (patch) | |
| tree | e8ca7dbdee6b93dea74f51abfab9740b2f48eb98 /drivers/net/wireless/ath9k/hw.c | |
| parent | 2df1bff4c5cd0b28e06e4defc3f5d90618db8d53 (diff) | |
| download | lwn-8aa15e1506bb0b6b643be12baf1f2d4d2f115931.tar.gz lwn-8aa15e1506bb0b6b643be12baf1f2d4d2f115931.zip | |
ath9k: avoid rx frames with corrupted descriptor.
Setting RX_ABORT/RX_DIS after MAC reset and clearing RX_ABORT/RX_DIS
after enbling RXE/RXDP to avoid rx frames with corrupted descriptor
status.
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath9k/hw.c')
| -rw-r--r-- | drivers/net/wireless/ath9k/hw.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c index 58f94c3f5e94..34474edefc97 100644 --- a/drivers/net/wireless/ath9k/hw.c +++ b/drivers/net/wireless/ath9k/hw.c @@ -1212,6 +1212,14 @@ struct ath_hal *ath9k_hw_attach(u16 devid, struct ath_softc *sc, static void ath9k_hw_override_ini(struct ath_hal *ah, struct ath9k_channel *chan) { + /* + * Set the RX_ABORT and RX_DIS and clear if off only after + * RXE is set for MAC. This prevents frames with corrupted + * descriptor status. + */ + REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT)); + + if (!AR_SREV_5416_V20_OR_LATER(ah) || AR_SREV_9280_10_OR_LATER(ah)) return; |