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[TG3]: PCI command adjustment

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This patch changes the way the driver works with the PCI command
register.  It adjusts the access size from dwords to words.  This patch
is done both as a PCI configuration space cleanup and as preparatory
work for PCI error recovery.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Matt Carlson 2007-10-21 16:17:55 -07:00 committed by David S. Miller
parent 9c8a620e7f
commit 8a6eac90e2
2 changed files with 3 additions and 6 deletions
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7
drivers/net/tg3.c
View file

@ -5029,10 +5029,7 @@ static int tg3_poll_fw(struct tg3 *tp)
/* Save PCI command register before chip reset */
static void tg3_save_pci_state(struct tg3 *tp)
{
u32 val;
pci_read_config_dword(tp->pdev, TG3PCI_COMMAND, &val);
tp->pci_cmd = val;
pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
}
/* Restore PCI state after chip reset */
@ -5055,7 +5052,7 @@ static void tg3_restore_pci_state(struct tg3 *tp)
PCISTATE_ALLOW_APE_SHMEM_WR;
pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
pci_write_config_dword(tp->pdev, TG3PCI_COMMAND, tp->pci_cmd);
pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,

2
drivers/net/tg3.h
View file

@ -2421,7 +2421,7 @@ struct tg3 {
#define PHY_REV_BCM5411_X0 0x1 /* Found on Netgear GA302T */
u32 led_ctrl;
u32 pci_cmd;
u16 pci_cmd;
char board_part_number[24];
#define TG3_VER_SIZE 32