iwlagn: iwl_bus holds drv_data as void * instead of iwl_priv

The price to pay is the access to the log system. Therefore logs from bus layer
are sent by dev_printk instead of IWL_XXXX.

Rename bus->priv to bus->drv_data to make the separation even clearer.

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

5 files changed, 26 insertions, 27 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index aee62d0726ab..8afdeca2946a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -26,9 +26,6 @@
  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  *
  *****************************************************************************/
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h
index 78dccde88aaf..785987d570c6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.h
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.h
@@ -336,7 +336,4 @@ void iwl_testmode_cleanup(struct iwl_priv *priv)
 }
 #endif
 
-int iwl_probe(struct iwl_bus *bus, struct iwl_cfg *cfg);
-void __devexit iwl_remove(struct iwl_priv * priv);
-
 #endif /* __iwl_agn_h__ */
diff --git a/drivers/net/wireless/iwlwifi/iwl-bus.h b/drivers/net/wireless/iwlwifi/iwl-bus.h
index fef62e6c2c88..f3ee1c0c004c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-bus.h
+++ b/drivers/net/wireless/iwlwifi/iwl-bus.h
@@ -67,10 +67,9 @@ struct iwl_bus;
 
 /**
  * struct iwl_bus_ops - bus specific operations
-
  * @get_pm_support: must returns true if the bus can go to sleep
  * @apm_config: will be called during the config of the APM configuration
- * @set_drv_data: set the priv pointer to the bus layer
+ * @set_drv_data: set the drv_data pointer to the bus layer
  * @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
@@ -88,9 +87,7 @@ struct iwl_bus_ops {
 
 struct iwl_bus {
         /* Common data to all buses */
-
-        /*TODO: priv should be void * */
-        struct iwl_priv *priv; /* driver's context */
+        void *drv_data; /* driver's context */
         struct device *dev;
         struct iwl_bus_ops *ops;
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index a2cb1f59d9d5..c2d58dfb573c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -398,6 +398,9 @@ int iwl_suspend(struct iwl_priv *priv);
 int iwl_resume(struct iwl_priv *priv);
 #endif /* !CONFIG_PM */
 
+int iwl_probe(struct iwl_bus *bus, struct iwl_cfg *cfg);
+void __devexit iwl_remove(struct iwl_priv * priv);
+
 /*****************************************************
 *  Error Handling Debugging
 ******************************************************/
diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.c b/drivers/net/wireless/iwlwifi/iwl-pci.c
index 66448895f7ba..0b815de9254e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-pci.c
+++ b/drivers/net/wireless/iwlwifi/iwl-pci.c
@@ -120,20 +120,20 @@ static void iwl_pci_apm_config(struct iwl_bus *bus)
         if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) ==
                                 PCI_CFG_LINK_CTRL_VAL_L1_EN) {
                 /* L1-ASPM enabled; disable(!) L0S */
-                iwl_set_bit(bus->priv, CSR_GIO_REG,
+                iwl_set_bit(bus->drv_data, CSR_GIO_REG,
                                 CSR_GIO_REG_VAL_L0S_ENABLED);
-                IWL_DEBUG_POWER(bus->priv, "L1 Enabled; Disabling L0S\n");
+                dev_printk(KERN_INFO, bus->dev, "L1 Enabled; Disabling L0S\n");
         } else {
                 /* L1-ASPM disabled; enable(!) L0S */
-                iwl_clear_bit(bus->priv, CSR_GIO_REG,
+                iwl_clear_bit(bus->drv_data, CSR_GIO_REG,
                                 CSR_GIO_REG_VAL_L0S_ENABLED);
-                IWL_DEBUG_POWER(bus->priv, "L1 Disabled; Enabling L0S\n");
+                dev_printk(KERN_INFO, bus->dev, "L1 Disabled; Enabling L0S\n");
         }
 }
 
 static void iwl_pci_set_drv_data(struct iwl_bus *bus, void *drv_data)
 {
-        bus->priv = drv_data;
+        bus->drv_data = drv_data;
 }
 
 static void iwl_pci_get_hw_id(struct iwl_bus *bus, char buf[],
@@ -377,7 +377,8 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
         bus = kzalloc(sizeof(*bus) + sizeof(*pci_bus), GFP_KERNEL);
         if (!bus) {
-                pr_err("Couldn't allocate iwl_pci_bus");
+                dev_printk(KERN_ERR, &pdev->dev,
+                           "Couldn't allocate iwl_pci_bus");
                 err = -ENOMEM;
                 goto out_no_pci;
         }
@@ -407,29 +408,33 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                                                         DMA_BIT_MASK(32));
                 /* both attempts failed: */
                 if (err) {
-                        pr_err("No suitable DMA available.\n");
+                        dev_printk(KERN_ERR, bus->dev,
+                                   "No suitable DMA available.\n");
                         goto out_pci_disable_device;
                 }
         }
 
         err = pci_request_regions(pdev, DRV_NAME);
         if (err) {
-                pr_err("pci_request_regions failed");
+                dev_printk(KERN_ERR, bus->dev, "pci_request_regions failed");
                 goto out_pci_disable_device;
         }
 
         pci_bus->hw_base = pci_iomap(pdev, 0, 0);
         if (!pci_bus->hw_base) {
-                pr_err("pci_iomap failed");
+                dev_printk(KERN_ERR, bus->dev, "pci_iomap failed");
                 err = -ENODEV;
                 goto out_pci_release_regions;
         }
 
-        pr_info("pci_resource_len = 0x%08llx\n",
+        dev_printk(KERN_INFO, &pdev->dev,
+                "pci_resource_len = 0x%08llx\n",
                 (unsigned long long) pci_resource_len(pdev, 0));
-        pr_info("pci_resource_base = %p\n", pci_bus->hw_base);
+        dev_printk(KERN_INFO, &pdev->dev,
+                "pci_resource_base = %p\n", pci_bus->hw_base);
 
-        pr_info("HW Revision ID = 0x%X\n", pdev->revision);
+        dev_printk(KERN_INFO, &pdev->dev,
+                "HW Revision ID = 0x%X\n", pdev->revision);
 
         /* We disable the RETRY_TIMEOUT register (0x41) to keep
          * PCI Tx retries from interfering with C3 CPU state */
@@ -437,7 +442,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
         err = pci_enable_msi(pdev);
         if (err) {
-                pr_err("pci_enable_msi failed");
+                dev_printk(KERN_ERR, &pdev->dev, "pci_enable_msi failed");
                 goto out_iounmap;
         }
 
@@ -491,7 +496,7 @@ static void __devexit iwl_pci_remove(struct pci_dev *pdev)
 {
         struct iwl_bus *bus = pci_get_drvdata(pdev);
 
-        iwl_remove(bus->priv);
+        iwl_remove(bus->drv_data);
 
         iwl_pci_down(bus);
 }
@@ -503,7 +508,7 @@ static int iwl_pci_suspend(struct device *device)
         struct pci_dev *pdev = to_pci_dev(device);
         struct iwl_bus *bus = pci_get_drvdata(pdev);
 
-        return iwl_suspend(bus->priv);
+        return iwl_suspend(bus->drv_data);
 }
 
 static int iwl_pci_resume(struct device *device)
@@ -517,7 +522,7 @@ static int iwl_pci_resume(struct device *device)
          */
         pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
 
-        return iwl_resume(bus->priv);
+        return iwl_resume(bus->drv_data);
 }
 
 static SIMPLE_DEV_PM_OPS(iwl_dev_pm_ops, iwl_pci_suspend, iwl_pci_resume);