rt2x00: Fix beacon updates in rt2800pci

rt2800pci didn't update the beacon template after each beacon interval,
resulting in the DTIM count being incorrect (if DTIM period > 1). Fix this
by calling rt2x00lib_beacondone after the current beacon was sent out.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index b48b9494845e..6f11760117da 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -953,6 +953,12 @@ static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
         if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS))
                 rt2800pci_txdone(rt2x00dev);
 
+        /*
+         * Current beacon was sent out, fetch the next one
+         */
+        if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT))
+                rt2x00lib_beacondone(rt2x00dev);
+
         if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP))
                 rt2800pci_wakeup(rt2x00dev);