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mwifiex: fix empty TX ring check for PCIe8897 while unloading driver

Message ID 1360993074-4609-1-git-send-email-bzhao@marvell.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Bing Zhao Feb. 16, 2013, 5:37 a.m. UTC 
From: Avinash Patil <patila@marvell.com>

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>
---
 drivers/net/wireless/mwifiex/pcie.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)
diff mbox

Patch

diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 492655c..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);