From: Sujith Manoharan Date: Tue, 4 Jan 2011 08:13:39 +0000 (+0530) Subject: ath9k_hw: Fix RX handling for USB devices X-Git-Tag: firefly_0821_release~7613^2~2196^2~16^2~73 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6d50192c17d4481c0e34c1ed2ae24fd7bc16e121;p=firefly-linux-kernel-4.4.55.git ath9k_hw: Fix RX handling for USB devices Commit "ath9k_hw: Abort rx if hw is not coming out of full sleep in reset" uncondionally added aborting RX DMA in a HW reset, though it is a bit unclear as to why this is needed. Anyway, RX DMA is handled in the target for USB devices, and this would interfere with normal operations (scanning etc.), so fix this. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 4a44f711045e..1afb8bb85756 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1214,7 +1214,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, ah->txchainmask = common->tx_chainmask; ah->rxchainmask = common->rx_chainmask; - if (!ah->chip_fullsleep) { + if ((common->bus_ops->ath_bus_type != ATH_USB) && !ah->chip_fullsleep) { ath9k_hw_abortpcurecv(ah); if (!ath9k_hw_stopdmarecv(ah)) { ath_dbg(common, ATH_DBG_XMIT,