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[tg3] Remove tg3_calc_dma_bndry()

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This function never did much in this driver anyway, and after commit
b5ed30b2 ("[tg3] Fix compilation on newer gcc versions") it became
apparent that its remaining functionality could be easily moved to
tg3_test_dma().

Signed-off-by: Thomas Miletich <thomas.miletich@gmail.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Thomas Miletich 2012-02-10 14:17:45 +01:00 committed by Michael Brown
parent 3a4253868c
commit 1476d6f47c
3 changed files with 6 additions and 29 deletions
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12
src/drivers/net/tg3/tg3.c
View File

@ -544,13 +544,13 @@ static int tg3_test_dma(struct tg3 *tp)
buf_dma = virt_to_bus(buf);
DBGC2(tp->dev, "dma test buffer, virt: %p phys: %#08x\n", buf, buf_dma);
tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
(0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
if (tg3_flag(tp, 57765_PLUS))
if (tg3_flag(tp, 57765_PLUS)) {
tp->dma_rwctrl = DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
goto out;
}
tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
(0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
if (tg3_flag(tp, PCI_EXPRESS)) {
/* DMA read watermark not used on PCIE */

1
src/drivers/net/tg3/tg3.h
View File

@ -3380,7 +3380,6 @@ void tg3_set_txd(struct tg3 *tp, int entry, dma_addr_t mapping, int len, u32 fla
void tg3_set_power_state_0(struct tg3 *tp);
int tg3_alloc_consistent(struct tg3 *tp);
int tg3_init_hw(struct tg3 *tp, int reset_phy);
u32 tg3_calc_dma_bndry(struct tg3 *tp, u32 val);
void tg3_poll_link(struct tg3 *tp);
void tg3_wait_for_event_ack(struct tg3 *tp);
void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1);

22
src/drivers/net/tg3/tg3_hw.c
View File

@ -2564,28 +2564,6 @@ void tg3_set_txd(struct tg3 *tp, int entry,
txd->vlan_tag = 0;
}
u32 tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
{ DBGP("%s\n", __func__);
u8 byte;
pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
/* On 5703 and later chips, the boundary bits have no
* effect.
*/
if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
!tg3_flag(tp, PCI_EXPRESS))
goto out;
if (tg3_flag(tp, 57765_PLUS))
val = DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
out:
return val;
}
int tg3_do_test_dma(struct tg3 *tp, u32 __unused *buf, dma_addr_t buf_dma, int size, int to_device)
{ DBGP("%s\n", __func__);