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igb: make dev_spec a union and remove dynamic allocation

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This patch makes dev_spec a union and simplifies it so that it does not
require dynamic allocation and freeing in the driver.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Duyck 2009-02-06 23:16:45 +00:00 committed by David S. Miller
parent 4d6b725e4d
commit c1889bfe68
5 changed files with 12 additions and 47 deletions
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34
drivers/net/igb/e1000_82575.c
View file

@ -62,17 +62,12 @@ static bool igb_sgmii_active_82575(struct e1000_hw *);
static s32 igb_reset_init_script_82575(struct e1000_hw *);
static s32 igb_read_mac_addr_82575(struct e1000_hw *);
struct e1000_dev_spec_82575 {
bool sgmii_active;
};
static s32 igb_get_invariants_82575(struct e1000_hw *hw)
{
struct e1000_phy_info *phy = &hw->phy;
struct e1000_nvm_info *nvm = &hw->nvm;
struct e1000_mac_info *mac = &hw->mac;
struct e1000_dev_spec_82575 *dev_spec;
struct e1000_dev_spec_82575 * dev_spec = &hw->dev_spec._82575;
u32 eecd;
s32 ret_val;
u16 size;
@ -94,17 +89,6 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
break;
}
/* MAC initialization */
hw->dev_spec_size = sizeof(struct e1000_dev_spec_82575);
/* Device-specific structure allocation */
hw->dev_spec = kzalloc(hw->dev_spec_size, GFP_KERNEL);
if (!hw->dev_spec)
return -ENOMEM;
dev_spec = (struct e1000_dev_spec_82575 *)hw->dev_spec;
/* Set media type */
/*
* The 82575 uses bits 22:23 for link mode. The mode can be changed
@ -1234,20 +1218,12 @@ static s32 igb_configure_pcs_link_82575(struct e1000_hw *hw)
**/
static bool igb_sgmii_active_82575(struct e1000_hw *hw)
{
struct e1000_dev_spec_82575 *dev_spec;
bool ret_val;
struct e1000_dev_spec_82575 *dev_spec = &hw->dev_spec._82575;
if (hw->mac.type != e1000_82575) {
ret_val = false;
goto out;
}
if (hw->mac.type != e1000_82575 && hw->mac.type != e1000_82576)
return false;
dev_spec = (struct e1000_dev_spec_82575 *)hw->dev_spec;
ret_val = dev_spec->sgmii_active;
out:
return ret_val;
return dev_spec->sgmii_active;
}
/**

9
drivers/net/igb/e1000_hw.h
View file

@ -565,9 +565,12 @@ struct e1000_fc_info {
enum e1000_fc_type original_type;
};
struct e1000_dev_spec_82575 {
bool sgmii_active;
};
struct e1000_hw {
void *back;
void *dev_spec;
u8 __iomem *hw_addr;
u8 __iomem *flash_address;
@ -580,7 +583,9 @@ struct e1000_hw {
struct e1000_bus_info bus;
struct e1000_host_mng_dhcp_cookie mng_cookie;
u32 dev_spec_size;
union {
struct e1000_dev_spec_82575 _82575;
} dev_spec;
u16 device_id;
u16 subsystem_vendor_id;

13
drivers/net/igb/e1000_mac.c
View file

@ -37,19 +37,6 @@
static s32 igb_set_default_fc(struct e1000_hw *hw);
static s32 igb_set_fc_watermarks(struct e1000_hw *hw);
/**
* igb_remove_device - Free device specific structure
* @hw: pointer to the HW structure
*
* If a device specific structure was allocated, this function will
* free it.
**/
void igb_remove_device(struct e1000_hw *hw)
{
/* Freeing the dev_spec member of e1000_hw structure */
kfree(hw->dev_spec);
}
static s32 igb_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
{
struct igb_adapter *adapter = hw->back;

1
drivers/net/igb/e1000_mac.h
View file

@ -63,7 +63,6 @@ void igb_mta_set(struct e1000_hw *hw, u32 hash_value);
void igb_put_hw_semaphore(struct e1000_hw *hw);
void igb_rar_set(struct e1000_hw *hw, u8 *addr, u32 index);
s32 igb_check_alt_mac_addr(struct e1000_hw *hw);
void igb_remove_device(struct e1000_hw *hw);
void igb_reset_adaptive(struct e1000_hw *hw);
void igb_update_adaptive(struct e1000_hw *hw);
void igb_write_vfta(struct e1000_hw *hw, u32 offset, u32 value);

2
drivers/net/igb/igb_main.c
View file

@ -1329,7 +1329,6 @@ static int __devinit igb_probe(struct pci_dev *pdev,
if (hw->flash_address)
iounmap(hw->flash_address);
igb_remove_device(hw);
igb_free_queues(adapter);
err_sw_init:
err_hw_init:
@ -1389,7 +1388,6 @@ static void __devexit igb_remove(struct pci_dev *pdev)
if (!igb_check_reset_block(&adapter->hw))
igb_reset_phy(&adapter->hw);
igb_remove_device(&adapter->hw);
igb_reset_interrupt_capability(adapter);
igb_free_queues(adapter);