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authorAvinash Patil <patila@marvell.com>2013-02-15 21:37:54 -0800
committerJohn W. Linville <linville@tuxdriver.com>2013-02-18 15:30:39 -0500
commit3d48203847c096afaddb2ba3c0623cfe49e91fa3 (patch)
treeab81431f3f06ced7230883604e3608b6938224fb /drivers/net/wireless
parenta9908ebf5ceb044eee6d9fda018d33cbf27df719 (diff)
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 <patila@marvell.com> Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/mwifiex/pcie.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 492655c048d..4b54bcf382f 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);