ath5k: Add new function to stop rx/tx DMA

 * Add a new function to stop rx/tx dma and use in when reset starts

 Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>

Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 8 insertions, 5 deletions

diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c
index 9dd5792780ba..083367712d67 100644
--- a/drivers/net/wireless/ath/ath5k/reset.c
+++ b/drivers/net/wireless/ath/ath5k/reset.c
@@ -823,6 +823,14 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
         mode = 0;
 
         /*
+         * Stop DMA
+         *
+         * Note: If DMA didn't stop continue
+         * since only a reset will fix it.
+         */
+        ath5k_hw_dma_stop(ah);
+
+        /*
          * Save some registers before a reset
          */
         /*DCU/Antenna selection not available on 5210*/
@@ -1015,11 +1023,6 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
          */
         ath5k_hw_pcu_init(ah, op_mode, mode);
 
-        /* Clear any pending interrupts
-         * PISR/SISR Not available on 5210 */
-        if (ah->ah_version != AR5K_AR5210)
-                ath5k_hw_reg_write(ah, 0xffffffff, AR5K_PISR);
-
         /*
          * Initialize PHY
          */