mac80211/rt2x00: add ieee80211_tx_status_ni()

All rt2x00 drivers except rt2800pci call ieee80211_tx_status() from
a workqueue, which causes "NOHZ: local_softirq_pending 08" messages.

To fix it, add ieee80211_tx_status_ni() similar to ieee80211_rx_ni()
which can be called from process context, and call it from
rt2x00lib_txdone().  For the rt2800pci special case a driver
flag is introduced.

Signed-off-by: Johannes Stezenbach <js@sig21.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 433c7f3ef83..b989b0d3ed4 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -911,6 +911,7 @@ static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
         __set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags);
         __set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags);
         __set_bit(DRIVER_REQUIRE_TXSTATUS_FIFO, &rt2x00dev->flags);
+        __set_bit(DRIVER_REQUIRE_TASKLET_CONTEXT, &rt2x00dev->flags);
         if (!modparam_nohwcrypt)
                 __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
         __set_bit(DRIVER_SUPPORT_LINK_TUNING, &rt2x00dev->flags);