[TG3]: PCI command adjustment

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>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 98f465828110..328eb4adc10b 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -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,