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Subject[ 075/122] tg3: Fix Read DMA workaround for 5719 A0.
Date
From: Greg KH <gregkh@linuxfoundation.org>

3.5-stable review patch. If anyone has any objections, please let me know.

------------------
From: Michael Chan <mchan@broadcom.com>

commit 10ce95d6ef36c65df7dcd3b8fcf86913f8b298bd upstream.

The workaround was mis-applied to all 5719 and 5720 chips.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/net/ethernet/broadcom/tg3.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -8975,8 +8975,7 @@ static int tg3_reset_hw(struct tg3 *tp,
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
tg3_flag(tp, 57765_PLUS)) {
val = tr32(TG3_RDMA_RSRVCTRL_REG);
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 ||
- GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) {
+ if (tp->pci_chip_rev_id == CHIPREV_ID_5719_A0) {
val &= ~(TG3_RDMA_RSRVCTRL_TXMRGN_MASK |
TG3_RDMA_RSRVCTRL_FIFO_LWM_MASK |
TG3_RDMA_RSRVCTRL_FIFO_HWM_MASK);



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