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tg3: Remove now useless VPD code

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Now that the VPD searching code is abstracted away, the outer loop used
to detect the read-only large resource data type section is useless.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Matt Carlson 2010-02-26 14:04:45 +00:00 committed by David S. Miller
parent df25bc38b5
commit 4181b2c8bc
1 changed files with 29 additions and 35 deletions
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64
drivers/net/tg3.c
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@ -12547,7 +12547,8 @@ skip_phy_reset:
static void __devinit tg3_read_partno(struct tg3 *tp) static void __devinit tg3_read_partno(struct tg3 *tp)
{ {
unsigned char vpd_data[TG3_NVM_VPD_LEN]; /* in little-endian format */ unsigned char vpd_data[TG3_NVM_VPD_LEN]; /* in little-endian format */
int i; unsigned int block_end, rosize, len;
int i = 0;
u32 magic; u32 magic;
if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) || if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
@ -12569,7 +12570,7 @@ static void __devinit tg3_read_partno(struct tg3 *tp)
} }
} else { } else {
ssize_t cnt; ssize_t cnt;
unsigned int pos = 0, i = 0; unsigned int pos = 0;
for (; pos < TG3_NVM_VPD_LEN && i < 3; i++, pos += cnt) { for (; pos < TG3_NVM_VPD_LEN && i < 3; i++, pos += cnt) {
cnt = pci_read_vpd(tp->pdev, pos, cnt = pci_read_vpd(tp->pdev, pos,
@ -12584,40 +12585,33 @@ static void __devinit tg3_read_partno(struct tg3 *tp)
goto out_not_found; goto out_not_found;
} }
/* Now parse and find the part number. */ i = pci_vpd_find_tag(vpd_data, 0, TG3_NVM_VPD_LEN,
for (i = 0; i < TG3_NVM_VPD_LEN - 2; ) { PCI_VPD_LRDT_RO_DATA);
unsigned int block_end, rosize; if (i < 0)
i = pci_vpd_find_tag(vpd_data, i, TG3_NVM_VPD_LEN,
PCI_VPD_LRDT_RO_DATA);
if (i < 0)
break;
rosize = pci_vpd_lrdt_size(&vpd_data[i]);
block_end = i + PCI_VPD_LRDT_TAG_SIZE + rosize;
i += PCI_VPD_LRDT_TAG_SIZE;
if (block_end > TG3_NVM_VPD_LEN)
goto out_not_found;
i = pci_vpd_find_info_keyword(vpd_data, i, rosize,
PCI_VPD_RO_KEYWORD_PARTNO);
if (i > 0) {
u8 len = pci_vpd_info_field_size(&vpd_data[i]);
i += PCI_VPD_INFO_FLD_HDR_SIZE;
if (len > TG3_BPN_SIZE ||
(len + i) > TG3_NVM_VPD_LEN)
break;
memcpy(tp->board_part_number, &vpd_data[i], len);
return;
}
/* Part number not found. */
goto out_not_found; goto out_not_found;
}
rosize = pci_vpd_lrdt_size(&vpd_data[i]);
block_end = i + PCI_VPD_LRDT_TAG_SIZE + rosize;
i += PCI_VPD_LRDT_TAG_SIZE;
if (block_end > TG3_NVM_VPD_LEN)
goto out_not_found;
i = pci_vpd_find_info_keyword(vpd_data, i, rosize,
PCI_VPD_RO_KEYWORD_PARTNO);
if (i < 0)
goto out_not_found;
len = pci_vpd_info_field_size(&vpd_data[i]);
i += PCI_VPD_INFO_FLD_HDR_SIZE;
if (len > TG3_BPN_SIZE ||
(len + i) > TG3_NVM_VPD_LEN)
goto out_not_found;
memcpy(tp->board_part_number, &vpd_data[i], len);
return;
out_not_found: out_not_found:
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)