diff options
| author | Michael Chan <mchan@broadcom.com> | 2007-05-05 13:08:32 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2007-05-05 13:08:32 -0700 |
| commit | 7544b0972c1fc1a0e6c54baa1f44c81019743daa (patch) | |
| tree | 90c8ca52ab4bb01b83c51f2c6ea91b1a6854a1a1 | |
| parent | 98efd8a6be79550767f5a9be6f3db8e7e9b747da (diff) | |
| download | lwn-7544b0972c1fc1a0e6c54baa1f44c81019743daa.tar.gz lwn-7544b0972c1fc1a0e6c54baa1f44c81019743daa.zip | |
[TG3]: Add TG3_FLAG_SUPPORT_MSI flag.
And fix up the code to always allow MSI on 5714 A2.
Call tg3_find_peer() earlier because we need that information before
we can determine whether we can set TG3_FLAG_SUPPORT_MSI or not.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/tg3.c | 24 | ||||
| -rw-r--r-- | drivers/net/tg3.h | 2 |
2 files changed, 17 insertions, 9 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 4154e1285d5a..59d6e74a4a5f 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -7033,11 +7033,7 @@ static int tg3_open(struct net_device *dev) if (err) return err; - if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) && - (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_AX) && - (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX) && - !((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) && - (tp->pdev_peer == tp->pdev))) { + if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) { /* All MSI supporting chips should support tagged * status. Assert that this is the case. */ @@ -10404,6 +10400,8 @@ static void __devinit tg3_read_fw_ver(struct tg3 *tp) } } +static struct pci_dev * __devinit tg3_find_peer(struct tg3 *); + static int __devinit tg3_get_invariants(struct tg3 *tp) { static struct pci_device_id write_reorder_chipsets[] = { @@ -10559,6 +10557,10 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) tp->pci_hdr_type = (cacheline_sz_reg >> 16) & 0xff; tp->pci_bist = (cacheline_sz_reg >> 24) & 0xff; + if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) || + (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) + tp->pdev_peer = tg3_find_peer(tp); + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 || GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 || GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 || @@ -10572,6 +10574,14 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) tp->tg3_flags2 |= TG3_FLG2_5705_PLUS; if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) { + tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI; + if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX || + GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX || + (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 && + tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 && + tp->pdev_peer == tp->pdev)) + tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI; + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 || GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 || GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) { @@ -11897,10 +11907,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, tp->rx_pending = 63; } - if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) || - (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) - tp->pdev_peer = tg3_find_peer(tp); - err = tg3_get_device_address(tp); if (err) { printk(KERN_ERR PFX "Could not obtain valid ethernet address, " diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index c52acb0a602b..dcdfc084966c 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -131,6 +131,7 @@ #define CHIPREV_ID_5752_A0_HW 0x5000 #define CHIPREV_ID_5752_A0 0x6000 #define CHIPREV_ID_5752_A1 0x6001 +#define CHIPREV_ID_5714_A2 0x9002 #define CHIPREV_ID_5906_A1 0xc001 #define GET_ASIC_REV(CHIP_REV_ID) ((CHIP_REV_ID) >> 12) #define ASIC_REV_5700 0x07 @@ -2221,6 +2222,7 @@ struct tg3 { #define TG3_FLAG_IN_RESET_TASK 0x04000000 #define TG3_FLAG_40BIT_DMA_BUG 0x08000000 #define TG3_FLAG_BROKEN_CHECKSUMS 0x10000000 +#define TG3_FLAG_SUPPORT_MSI 0x20000000 #define TG3_FLAG_CHIP_RESETTING 0x40000000 #define TG3_FLAG_INIT_COMPLETE 0x80000000 u32 tg3_flags2; |