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rt2x00: simplify txstatus_fifo handling 

Signed-off-by: Johannes Stezenbach <js@sig21.net>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Stezenbach 2010-12-27 15:04:29 +01:00 committed by John W. Linville
parent 97e2c40269
commit c4d6324421
2 changed files with 3 additions and 17 deletions
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18
drivers/net/wireless/rt2x00/rt2800pci.c
View File

@ -688,14 +688,7 @@ static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
u32 status;
u8 qid;
while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo)) {
/* Now remove the tx status from the FIFO */
if (kfifo_out(&rt2x00dev->txstatus_fifo, &status,
sizeof(status)) != sizeof(status)) {
WARN_ON(1);
break;
}
while (kfifo_get(&rt2x00dev->txstatus_fifo, &status)) {
qid = rt2x00_get_field32(status, TX_STA_FIFO_PID_QUEUE);
if (qid >= QID_RX) {
/*
@ -803,14 +796,7 @@ static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev)
if (!rt2x00_get_field32(status, TX_STA_FIFO_VALID))
break;
if (kfifo_is_full(&rt2x00dev->txstatus_fifo)) {
WARNING(rt2x00dev, "TX status FIFO overrun,"
" drop tx status report.\n");
break;
}
if (kfifo_in(&rt2x00dev->txstatus_fifo, &status,
sizeof(status)) != sizeof(status)) {
if (!kfifo_put(&rt2x00dev->txstatus_fifo, &status)) {
WARNING(rt2x00dev, "TX status FIFO overrun,"
"drop tx status report.\n");
break;

2
drivers/net/wireless/rt2x00/rt2x00.h
View File

@ -908,7 +908,7 @@ struct rt2x00_dev {
/*
* FIFO for storing tx status reports between isr and tasklet.
*/
struct kfifo txstatus_fifo;
DECLARE_KFIFO_PTR(txstatus_fifo, u32);
/*
* Tasklet for processing tx status reports (rt2800pci).