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authorArnd Bergmann <arnd@arndb.de>2011-10-20 15:14:25 +0200
committerArnd Bergmann <arnd@arndb.de>2011-10-20 15:14:25 +0200
commitb4cbb8a4e602ea77b0525d06eff89c6a6070dab3 (patch)
treea5dd723679582505ef3905c90f0c2c032d191b94 /drivers/net/wireless/rt2x00/rt2800usb.c
parent526b264163068f77c5f2409031f5e25caf3900a9 (diff)
parentc5d7a9230e5e277f262b6806b7f4d6b35de5a3fb (diff)
Merge branch 'imx-features-for-arnd' of git://git.pengutronix.de/git/imx/linux-2.6 into imx/devel
Conflicts: arch/arm/mach-mx5/clock-mx51-mx53.c arch/arm/mach-mx5/devices-imx53.h
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800usb.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800usb.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 939563162fb..dbf501ca317 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -464,6 +464,15 @@ static bool rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
int wcid, ack, pid;
int tx_wcid, tx_ack, tx_pid;
+ if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
+ !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags)) {
+ WARNING(entry->queue->rt2x00dev,
+ "Data pending for entry %u in queue %u\n",
+ entry->entry_idx, entry->queue->qid);
+ cond_resched();
+ return false;
+ }
+
wcid = rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
ack = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
pid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
@@ -529,12 +538,11 @@ static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
if (rt2800usb_txdone_entry_check(entry, reg))
break;
+ entry = NULL;
}
- if (!entry || rt2x00queue_empty(queue))
- break;
-
- rt2800_txdone_entry(entry, reg);
+ if (entry)
+ rt2800_txdone_entry(entry, reg);
}
}
@@ -558,8 +566,10 @@ static void rt2800usb_work_txdone(struct work_struct *work)
while (!rt2x00queue_empty(queue)) {
entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
- if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags))
+ if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
+ !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
break;
+
if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
else if (rt2x00queue_status_timeout(entry))