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iwlagn: iwl_bus holds drv_data as void * instead of iwl_priv

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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>
This commit is contained in:
Emmanuel Grumbach 2011-07-11 11:18:48 +03:00 committed by Wey-Yi Guy
parent d593411084
commit c1c81401de
5 changed files with 26 additions and 27 deletions
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3
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -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>

3
drivers/net/wireless/iwlwifi/iwl-agn.h
View File

@ -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__ */

7
drivers/net/wireless/iwlwifi/iwl-bus.h
View File

@ -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;

3
drivers/net/wireless/iwlwifi/iwl-core.h
View File

@ -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
******************************************************/

37
drivers/net/wireless/iwlwifi/iwl-pci.c
View File

@ -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);