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-rw-r--r--drivers/net/wireless/b43/main.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 0a4d0b3eceb..d29323d5083 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -3093,7 +3093,6 @@ static int b43_op_tx(struct ieee80211_hw *hw,
return NETDEV_TX_OK;
}
-/* Locking: wl->irq_lock */
static void b43_qos_params_upload(struct b43_wldev *dev,
const struct ieee80211_tx_queue_params *p,
u16 shm_offset)
@@ -3102,6 +3101,9 @@ static void b43_qos_params_upload(struct b43_wldev *dev,
int bslots, tmp;
unsigned int i;
+ if (!dev->qos_enabled)
+ return;
+
bslots = b43_read16(dev, B43_MMIO_RNG) & p->cw_min;
memset(&params, 0, sizeof(params));
@@ -3147,6 +3149,9 @@ static void b43_qos_upload_all(struct b43_wldev *dev)
struct b43_qos_params *params;
unsigned int i;
+ if (!dev->qos_enabled)
+ return;
+
BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) !=
ARRAY_SIZE(wl->qos_params));
@@ -3206,6 +3211,16 @@ static void b43_qos_clear(struct b43_wl *wl)
/* Initialize the core's QOS capabilities */
static void b43_qos_init(struct b43_wldev *dev)
{
+ if (!dev->qos_enabled) {
+ /* Disable QOS support. */
+ b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_EDCF);
+ b43_write16(dev, B43_MMIO_IFSCTL,
+ b43_read16(dev, B43_MMIO_IFSCTL)
+ & ~B43_MMIO_IFSCTL_USE_EDCF);
+ b43dbg(dev->wl, "QoS disabled\n");
+ return;
+ }
+
/* Upload the current QOS parameters. */
b43_qos_upload_all(dev);
@@ -3214,6 +3229,7 @@ static void b43_qos_init(struct b43_wldev *dev)
b43_write16(dev, B43_MMIO_IFSCTL,
b43_read16(dev, B43_MMIO_IFSCTL)
| B43_MMIO_IFSCTL_USE_EDCF);
+ b43dbg(dev->wl, "QoS enabled\n");
}
static int b43_op_conf_tx(struct ieee80211_hw *hw, u16 _queue,