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-rw-r--r--drivers/net/tg3.c2
-rw-r--r--drivers/net/tg3.h1
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 4ae01b3..a0ab89e 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -7704,6 +7704,8 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
val = tr32(TG3PCI_DMA_RW_CTRL) &
~DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
+ if (tp->pci_chip_rev_id == CHIPREV_ID_57765_A0)
+ val &= ~DMA_RWCTRL_CRDRDR_RDMA_MRRS_MSK;
tw32(TG3PCI_DMA_RW_CTRL, val | tp->dma_rwctrl);
} else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 8a6012a..9e7fe0e 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -183,6 +183,7 @@
#define METAL_REV_B2 0x02
#define TG3PCI_DMA_RW_CTRL 0x0000006c
#define DMA_RWCTRL_DIS_CACHE_ALIGNMENT 0x00000001
+#define DMA_RWCTRL_CRDRDR_RDMA_MRRS_MSK 0x00000380
#define DMA_RWCTRL_READ_BNDRY_MASK 0x00000700
#define DMA_RWCTRL_READ_BNDRY_DISAB 0x00000000
#define DMA_RWCTRL_READ_BNDRY_16 0x00000100