From: Avinash Patil Date: Sat, 16 Feb 2013 05:37:54 +0000 (-0800) Subject: mwifiex: fix empty TX ring check for PCIe8897 while unloading driver X-Git-Tag: v3.12-rc1~1247^2~28^2^2~25 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3d48203847c096afaddb2ba3c0623cfe49e91fa3;p=kernel%2Fkernel-generic.git mwifiex: fix empty TX ring check for PCIe8897 while unloading driver While unloading driver, we free all pending TX packets by flushing TX ring. There is unhandled case for PCIE8897 while checking for ring empty condition. This patch adds the handling by calling mwifiex_pcie_txbd_empty(). Signed-off-by: Avinash Patil Signed-off-by: Yogesh Ashok Powar Signed-off-by: Bing Zhao Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index 492655c0..4b54bcf 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -1023,10 +1023,7 @@ static int mwifiex_pcie_send_data_complete(struct mwifiex_adapter *adapter) adapter->data_sent = false; if (card->txbd_flush) { - if (((card->txbd_wrptr & reg->tx_mask) == - (card->txbd_rdptr & reg->tx_mask)) && - ((card->txbd_wrptr & reg->tx_rollover_ind) != - (card->txbd_rdptr & reg->tx_rollover_ind))) + if (mwifiex_pcie_txbd_empty(card, card->txbd_rdptr)) card->txbd_flush = 0; else mwifiex_clean_pcie_ring_buf(adapter);