iwlagn: sysfs couldn't find the priv pointer
This bug has been introduced by:
d593411084a56124aa9d80aafa15db8463b2d8f7
Author: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Date: Mon Jul 11 10:48:51 2011 +0300
iwlagn: simplify the bus architecture
Revert part of the buggy patch: dev_get_drvdata will now return
iwl_priv as it did before the patch.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Tested-by: Daniel Halperin <dhalperi@cs.washington.edu>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.c b/drivers/net/wireless/iwlwifi/iwl-pci.c
index fb7e436..69d4ec4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-pci.c
+++ b/drivers/net/wireless/iwlwifi/iwl-pci.c
@@ -134,6 +134,7 @@
static void iwl_pci_set_drv_data(struct iwl_bus *bus, void *drv_data)
{
bus->drv_data = drv_data;
+ pci_set_drvdata(IWL_BUS_GET_PCI_DEV(bus), drv_data);
}
static void iwl_pci_get_hw_id(struct iwl_bus *bus, char buf[],
@@ -454,8 +455,6 @@
pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
}
- pci_set_drvdata(pdev, bus);
-
bus->dev = &pdev->dev;
bus->irq = pdev->irq;
bus->ops = &pci_ops;
@@ -494,11 +493,12 @@
static void __devexit iwl_pci_remove(struct pci_dev *pdev)
{
- struct iwl_bus *bus = pci_get_drvdata(pdev);
+ struct iwl_priv *priv = pci_get_drvdata(pdev);
+ void *bus_specific = priv->bus->bus_specific;
- iwl_remove(bus->drv_data);
+ iwl_remove(priv);
- iwl_pci_down(bus);
+ iwl_pci_down(bus_specific);
}
#ifdef CONFIG_PM
@@ -506,20 +506,20 @@
static int iwl_pci_suspend(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
- struct iwl_bus *bus = pci_get_drvdata(pdev);
+ struct iwl_priv *priv = pci_get_drvdata(pdev);
/* Before you put code here, think about WoWLAN. You cannot check here
* whether WoWLAN is enabled or not, and your code will run even if
* WoWLAN is enabled - don't kill the NIC, someone may need it in Sx.
*/
- return iwl_suspend(bus->drv_data);
+ return iwl_suspend(priv);
}
static int iwl_pci_resume(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
- struct iwl_bus *bus = pci_get_drvdata(pdev);
+ struct iwl_priv *priv = pci_get_drvdata(pdev);
/* Before you put code here, think about WoWLAN. You cannot check here
* whether WoWLAN is enabled or not, and your code will run even if
@@ -532,7 +532,7 @@
*/
pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
- return iwl_resume(bus->drv_data);
+ return iwl_resume(priv);
}
static SIMPLE_DEV_PM_OPS(iwl_dev_pm_ops, iwl_pci_suspend, iwl_pci_resume);