diff options
| author | Matt Carlson <mcarlson@broadcom.com> | 2007-05-05 12:47:25 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2007-05-05 12:47:25 -0700 |
| commit | 98efd8a6be79550767f5a9be6f3db8e7e9b747da (patch) | |
| tree | c2117eb3b6099333594245d81a8d192912f18706 /drivers | |
| parent | 5cf64b8a7399999439f0d6748babb1ccb6bcad7c (diff) | |
[TG3]: Eliminate the TG3_FLAG_5701_REG_WRITE_BUG flag.
This patch removes the use of the TG3_FLAG_5701_REG_WRITE_BUG flag.
It's logic is only used to set a function pointer and thus the
logic can be collapsed and the flag removed.
[ Comment tidy by Christoph Hellwig. -DaveM ]
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/tg3.c | 24 | ||||
| -rw-r--r-- | drivers/net/tg3.h | 1 |
2 files changed, 12 insertions, 13 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index ff157b70486..4154e1285d5 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -10673,17 +10673,6 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG; - /* Back to back register writes can cause problems on this chip, - * the workaround is to read back all reg writes except those to - * mailbox regs. See tg3_write_indirect_reg32(). - * - * PCI Express 5750_A0 rev chips need this workaround too. - */ - if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 || - ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && - tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) - tp->tg3_flags |= TG3_FLAG_5701_REG_WRITE_BUG; - if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0) tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED; if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0) @@ -10707,8 +10696,19 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) /* Various workaround register access methods */ if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) tp->write32 = tg3_write_indirect_reg32; - else if (tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG) + else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 || + ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && + tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) { + /* + * Back to back register writes can cause problems on these + * chips, the workaround is to read back all reg writes + * except those to mailbox regs. + * + * See tg3_write_indirect_reg32(). + */ tp->write32 = tg3_write_flush_reg32; + } + if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) || (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) { diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index dd04a46c6f1..c52acb0a602 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -2199,7 +2199,6 @@ struct tg3 { #define TG3_FLAG_USE_LINKCHG_REG 0x00000008 #define TG3_FLAG_USE_MI_INTERRUPT 0x00000010 #define TG3_FLAG_ENABLE_ASF 0x00000020 -#define TG3_FLAG_5701_REG_WRITE_BUG 0x00000040 #define TG3_FLAG_POLL_SERDES 0x00000080 #define TG3_FLAG_MBOX_WRITE_REORDER 0x00000100 #define TG3_FLAG_PCIX_TARGET_HWBUG 0x00000200 |