rt2x00: do not check for txstatus timeout every time on tasklet

Do not check for tx status timeout everytime we perform txstatus tasklet.
Perform check once per half a second.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index 9f28357..0c56c7d 100644 (file)
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -1158,11 +1158,18 @@ bool rt2800_txstatus_timeout(struct rt2x00_dev *rt2x00dev)
        struct data_queue *queue;
        struct queue_entry *entry;
 
+       if (time_before(jiffies,
+                       rt2x00dev->last_nostatus_check + msecs_to_jiffies(500)))
+               return false;
+
+       rt2x00dev->last_nostatus_check = jiffies;
+
        tx_queue_for_each(rt2x00dev, queue) {
                entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
                if (rt2800_entry_txstatus_timeout(entry))
                        return true;
        }
+
        return false;
 }
 EXPORT_SYMBOL_GPL(rt2800_txstatus_timeout);

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
index aa8449a..d042631 100644 (file)
--- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
@@ -197,7 +197,8 @@ void rt2800mmio_txstatus_tasklet(unsigned long data)
 
        rt2800_txdone(rt2x00dev);
 
-       rt2800_txdone_nostatus(rt2x00dev);
+       if (rt2800_txstatus_timeout(rt2x00dev))
+               rt2800_txdone_nostatus(rt2x00dev);
 
        if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
                rt2800mmio_enable_interrupt(rt2x00dev,

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00.h b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
index a279a43..af062cd 100644 (file)
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
@@ -980,6 +980,8 @@ struct rt2x00_dev {
         */
        DECLARE_KFIFO_PTR(txstatus_fifo, u32);
 
+       unsigned long last_nostatus_check;
+
        /*
         * Timer to ensure tx status reports are read (rt2800usb).
         */

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
index 6e8beb7..92ddc19 100644 (file)
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
@@ -1039,6 +1039,7 @@ void rt2x00queue_start_queues(struct rt2x00_dev *rt2x00dev)
         */
        tx_queue_for_each(rt2x00dev, queue)
                rt2x00queue_start_queue(queue);
+       rt2x00dev->last_nostatus_check = jiffies;
 
        rt2x00queue_start_queue(rt2x00dev->rx);
 }