iwlagn: store the irq number to iwl_bus just like dev

Since the irq number is just an unsigned int, store it inside iwl_bus
instead of calling the get_irq ops every time it is needed.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

3 files changed, 8 insertions, 7 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 138286373850..1ac6c6475353 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3496,6 +3496,7 @@ int iwl_probe(void *bus_specific, struct iwl_bus_ops *bus_ops,
         priv->bus.priv = priv;
         priv->bus.bus_specific = bus_specific;
         priv->bus.ops = bus_ops;
+        priv->bus.irq = priv->bus.ops->get_irq(&priv->bus);
         priv->bus.ops->set_drv_data(&priv->bus, priv);
         priv->bus.dev = priv->bus.ops->get_dev(&priv->bus);
 
@@ -3603,11 +3604,10 @@ int iwl_probe(void *bus_specific, struct iwl_bus_ops *bus_ops,
          ********************/
         iwl_alloc_isr_ict(priv);
 
-        err = request_irq(priv->bus.ops->get_irq(&priv->bus), iwl_isr_ict,
-                          IRQF_SHARED, DRV_NAME, priv);
+        err = request_irq(priv->bus.irq, iwl_isr_ict, IRQF_SHARED,
+                          DRV_NAME, priv);
         if (err) {
-                IWL_ERR(priv, "Error allocating IRQ %d\n",
-                        priv->bus.ops->get_irq(&priv->bus));
+                IWL_ERR(priv, "Error allocating IRQ %d\n", priv->bus.irq);
                 goto out_uninit_drv;
         }
 
@@ -3644,7 +3644,7 @@ int iwl_probe(void *bus_specific, struct iwl_bus_ops *bus_ops,
  out_destroy_workqueue:
         destroy_workqueue(priv->workqueue);
         priv->workqueue = NULL;
-        free_irq(priv->bus.ops->get_irq(&priv->bus), priv);
+        free_irq(priv->bus.irq, priv);
         iwl_free_isr_ict(priv);
  out_uninit_drv:
         iwl_uninit_drv(priv);
@@ -3716,7 +3716,7 @@ void __devexit iwl_remove(struct iwl_priv * priv)
         priv->workqueue = NULL;
         iwl_free_traffic_mem(priv);
 
-        free_irq(priv->bus.ops->get_irq(&priv->bus), priv);
+        free_irq(priv->bus.irq, priv);
         priv->bus.ops->set_drv_data(&priv->bus, NULL);
 
         iwl_uninit_drv(priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h
index 848a6c3a56ad..6d5584ae5ebf 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.h
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.h
@@ -125,7 +125,7 @@ irqreturn_t iwl_isr_ict(int irq, void *data);
 static inline void iwl_synchronize_irq(struct iwl_priv *priv)
 {
         /* wait to make sure we flush pending tasklet*/
-        synchronize_irq(priv->bus.ops->get_irq(&priv->bus));
+        synchronize_irq(priv->bus.irq);
         tasklet_kill(&priv->irq_tasklet);
 }
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 2d13d8928e2c..8ec04f20c96a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1224,6 +1224,7 @@ struct iwl_bus {
         struct iwl_priv *priv; /* driver's context */
         struct device *dev;
         struct iwl_bus_ops *ops;
+        unsigned int irq;
 };
 
 struct iwl_priv {