ath5k: Fix reset and interrupts for AHB type of devices.

On WiSoc we cannot access mac register before it is resetted.
It will crash hardware otherwise.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 685de2d7572..0a7071a6dd7 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -2148,7 +2148,8 @@ ath5k_intr(int irq, void *dev_id)
         unsigned int counter = 1000;
 
         if (unlikely(test_bit(ATH_STAT_INVALID, sc->status) ||
-                                !ath5k_hw_is_intr_pending(ah)))
+                ((ath5k_get_bus_type(ah) != ATH_AHB) &&
+                                !ath5k_hw_is_intr_pending(ah))))
                 return IRQ_NONE;
 
         do {
@@ -2214,6 +2215,10 @@ ath5k_intr(int irq, void *dev_id)
                                 tasklet_schedule(&sc->rf_kill.toggleq);
 
                 }
+
+                if (ath5k_get_bus_type(ah) == ATH_AHB)
+                        break;
+
         } while (ath5k_hw_is_intr_pending(ah) && --counter > 0);
 
         if (unlikely(!counter))