---

yaml --- r: 43220 b: refs/heads/master c: c3905bc h: refs/heads/master v: v3
git-mirror · Dec 7, 2006 · 3d251de · 3d251de
1 parent 34490ce
commit 3d251de
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Showing 3 changed files with 10 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6771290102c4703dae56bc3e121deb63530e206c
+refs/heads/master: c3905bc4b71ab562acf69765e8c4778bd263b9db
diff --git a/trunk/drivers/net/sky2.c b/trunk/drivers/net/sky2.c
@@ -1062,11 +1062,16 @@ static int sky2_rx_start(struct sky2_port *sky2)
 	sky2->rx_put = sky2->rx_next = 0;
 	sky2_qset(hw, rxq);
 
+	/* On PCI express lowering the watermark gives better performance */
+	if (pci_find_capability(hw->pdev, PCI_CAP_ID_EXP))
+		sky2_write32(hw, Q_ADDR(rxq, Q_WM), BMU_WM_PEX);
+
+	/* These chips have no ram buffer?
+	 * MAC Rx RAM Read is controlled by hardware */
 	if (hw->chip_id == CHIP_ID_YUKON_EC_U &&
-	    (hw->chip_rev == CHIP_REV_YU_EC_U_A1 || hw->chip_rev == CHIP_REV_YU_EC_U_B0)) {
-		/* MAC Rx RAM Read is controlled by hardware */
+	    (hw->chip_rev == CHIP_REV_YU_EC_U_A1
+	     || hw->chip_rev == CHIP_REV_YU_EC_U_B0))
 		sky2_write32(hw, Q_ADDR(rxq, Q_F), F_M_RX_RAM_DIS);
-	}
 
 	sky2_prefetch_init(hw, rxq, sky2->rx_le_map, RX_LE_SIZE - 1);
 

diff --git a/trunk/drivers/net/sky2.h b/trunk/drivers/net/sky2.h
@@ -680,6 +680,7 @@ enum {
 			  BMU_FIFO_ENA | BMU_OP_ON,
 
 	BMU_WM_DEFAULT = 0x600,
+	BMU_WM_PEX     = 0x80,
 };
 
 /* Tx BMU Control / Status Registers (Yukon-2) */