iwlagn: add a get_irq method to iwl_bus_ops and use it

In order to remove a few more dereference to priv->pdev that will be killed
[Asoon, there is now a method to get the IRQ number.

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

4 files changed, 14 insertions, 5 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 1ff8e4b3e960..e2b319f3c5f8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3610,10 +3610,11 @@ int iwl_probe(void *bus_specific, struct iwl_bus_ops *bus_ops,
          ********************/
         iwl_alloc_isr_ict(priv);
 
-        err = request_irq(priv->pci_dev->irq, iwl_isr_ict,
+        err = request_irq(priv->bus.ops->get_irq(&priv->bus), iwl_isr_ict,
                           IRQF_SHARED, DRV_NAME, priv);
         if (err) {
-                IWL_ERR(priv, "Error allocating IRQ %d\n", priv->pci_dev->irq);
+                IWL_ERR(priv, "Error allocating IRQ %d\n",
+                        priv->bus.ops->get_irq(&priv->bus));
                 goto out_uninit_drv;
         }
 
@@ -3650,7 +3651,7 @@ 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->pci_dev->irq, priv);
+        free_irq(priv->bus.ops->get_irq(&priv->bus), priv);
         iwl_free_isr_ict(priv);
  out_uninit_drv:
         iwl_uninit_drv(priv);
@@ -3722,7 +3723,7 @@ void __devexit iwl_remove(struct iwl_priv * priv)
         priv->workqueue = NULL;
         iwl_free_traffic_mem(priv);
 
-        free_irq(priv->pci_dev->irq, priv);
+        free_irq(priv->bus.ops->get_irq(&priv->bus), 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 346386927990..848a6c3a56ad 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->pci_dev->irq);
+        synchronize_irq(priv->bus.ops->get_irq(&priv->bus));
         tasklet_kill(&priv->irq_tasklet);
 }
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 1099944cc2b0..f6b54c6d878d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1198,6 +1198,7 @@ struct iwl_bus;
  * @apm_config: will be called during the config of the APM configuration
  * @set_drv_data: set the priv pointer to the bus layer
  * @get_dev: returns the device struct
+ * @get_irq: returns the irq number
  * @get_hw_id: prints the hw_id in the provided buffer
  * @write8: write a byte to register at offset ofs
  * @write32: write a dword to register at offset ofs
@@ -1208,6 +1209,7 @@ struct iwl_bus_ops {
         void (*apm_config)(struct iwl_bus *bus);
         void (*set_drv_data)(struct iwl_bus *bus, void *priv);
         struct device *(*get_dev)(const struct iwl_bus *bus);
+        unsigned int (*get_irq)(const struct iwl_bus *bus);
         void (*get_hw_id)(struct iwl_bus *bus, char buf[], int buf_len);
         void (*write8)(struct iwl_bus *bus, u32 ofs, u8 val);
         void (*write32)(struct iwl_bus *bus, u32 ofs, u32 val);
diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.c b/drivers/net/wireless/iwlwifi/iwl-pci.c
index adbc9621c3ec..7328fbff7f7b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-pci.c
+++ b/drivers/net/wireless/iwlwifi/iwl-pci.c
@@ -141,6 +141,11 @@ static struct device *iwl_pci_get_dev(const struct iwl_bus *bus)
         return &(IWL_BUS_GET_PCI_DEV(bus)->dev);
 }
 
+static unsigned int iwl_pci_get_irq(const struct iwl_bus *bus)
+{
+        return IWL_BUS_GET_PCI_DEV(bus)->irq;
+}
+
 static void iwl_pci_get_hw_id(struct iwl_bus *bus, char buf[],
                               int buf_len)
 {
@@ -171,6 +176,7 @@ static struct iwl_bus_ops pci_ops = {
         .apm_config = iwl_pci_apm_config,
         .set_drv_data = iwl_pci_set_drv_data,
         .get_dev = iwl_pci_get_dev,
+        .get_irq = iwl_pci_get_irq,
         .get_hw_id = iwl_pci_get_hw_id,
         .write8 = iwl_pci_write8,
         .write32 = iwl_pci_write32,