s2io: Removed enabling of some of the unused interrupts.

Removed unused code in en_dis_able_nic_intrs(), TX_DMA_INTR, RX_DMA_INTR,
TX_XGXS_INTR, MC_INTR

Signed-off-by: Sivakumar Subramani <sivakumar.subramani@neterion.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/net/s2io.c

@@ -1658,7 +1658,7 @@ static void en_dis_able_nic_intrs(struct s2io_nic *nic, u16 mask, int flag)
 	/*  PIC Interrupts */
 	if ((mask & (TX_PIC_INTR | RX_PIC_INTR))) {
 		/*  Enable PIC Intrs in the general intr mask register */
-		val64 = TXPIC_INT_M | PIC_RX_INT_M;
+		val64 = TXPIC_INT_M;
 		if (flag == ENABLE_INTRS) {
 			temp64 = readq(&bar0->general_int_mask);
 			temp64 &= ~((u64) val64);
@@ -1696,70 +1696,6 @@ static void en_dis_able_nic_intrs(struct s2io_nic *nic, u16 mask, int flag)
 		}
 	}
 
-	/*  DMA Interrupts */
-	/*  Enabling/Disabling Tx DMA interrupts */
-	if (mask & TX_DMA_INTR) {
-		/* Enable TxDMA Intrs in the general intr mask register */
-		val64 = TXDMA_INT_M;
-		if (flag == ENABLE_INTRS) {
-			temp64 = readq(&bar0->general_int_mask);
-			temp64 &= ~((u64) val64);
-			writeq(temp64, &bar0->general_int_mask);
-			/*
-			 * Keep all interrupts other than PFC interrupt
-			 * and PCC interrupt disabled in DMA level.
-			 */
-			val64 = DISABLE_ALL_INTRS & ~(TXDMA_PFC_INT_M |
-						      TXDMA_PCC_INT_M);
-			writeq(val64, &bar0->txdma_int_mask);
-			/*
-			 * Enable only the MISC error 1 interrupt in PFC block
-			 */
-			val64 = DISABLE_ALL_INTRS & (~PFC_MISC_ERR_1);
-			writeq(val64, &bar0->pfc_err_mask);
-			/*
-			 * Enable only the FB_ECC error interrupt in PCC block
-			 */
-			val64 = DISABLE_ALL_INTRS & (~PCC_FB_ECC_ERR);
-			writeq(val64, &bar0->pcc_err_mask);
-		} else if (flag == DISABLE_INTRS) {
-			/*
-			 * Disable TxDMA Intrs in the general intr mask
-			 * register
-			 */
-			writeq(DISABLE_ALL_INTRS, &bar0->txdma_int_mask);
-			writeq(DISABLE_ALL_INTRS, &bar0->pfc_err_mask);
-			temp64 = readq(&bar0->general_int_mask);
-			val64 |= temp64;
-			writeq(val64, &bar0->general_int_mask);
-		}
-	}
-
-	/*  Enabling/Disabling Rx DMA interrupts */
-	if (mask & RX_DMA_INTR) {
-		/*  Enable RxDMA Intrs in the general intr mask register */
-		val64 = RXDMA_INT_M;
-		if (flag == ENABLE_INTRS) {
-			temp64 = readq(&bar0->general_int_mask);
-			temp64 &= ~((u64) val64);
-			writeq(temp64, &bar0->general_int_mask);
-			/*
-			 * All RxDMA block interrupts are disabled for now
-			 * TODO
-			 */
-			writeq(DISABLE_ALL_INTRS, &bar0->rxdma_int_mask);
-		} else if (flag == DISABLE_INTRS) {
-			/*
-			 * Disable RxDMA Intrs in the general intr mask
-			 * register
-			 */
-			writeq(DISABLE_ALL_INTRS, &bar0->rxdma_int_mask);
-			temp64 = readq(&bar0->general_int_mask);
-			val64 |= temp64;
-			writeq(val64, &bar0->general_int_mask);
-		}
-	}
-
 	/*  MAC Interrupts */
 	/*  Enabling/Disabling MAC interrupts */
 	if (mask & (TX_MAC_INTR | RX_MAC_INTR)) {
@@ -1786,53 +1722,6 @@ static void en_dis_able_nic_intrs(struct s2io_nic *nic, u16 mask, int flag)
 		}
 	}
 
-	/*  XGXS Interrupts */
-	if (mask & (TX_XGXS_INTR | RX_XGXS_INTR)) {
-		val64 = TXXGXS_INT_M | RXXGXS_INT_M;
-		if (flag == ENABLE_INTRS) {
-			temp64 = readq(&bar0->general_int_mask);
-			temp64 &= ~((u64) val64);
-			writeq(temp64, &bar0->general_int_mask);
-			/*
-			 * All XGXS block error interrupts are disabled for now
-			 * TODO
-			 */
-			writeq(DISABLE_ALL_INTRS, &bar0->xgxs_int_mask);
-		} else if (flag == DISABLE_INTRS) {
-			/*
-			 * Disable MC Intrs in the general intr mask register
-			 */
-			writeq(DISABLE_ALL_INTRS, &bar0->xgxs_int_mask);
-			temp64 = readq(&bar0->general_int_mask);
-			val64 |= temp64;
-			writeq(val64, &bar0->general_int_mask);
-		}
-	}
-
-	/*  Memory Controller(MC) interrupts */
-	if (mask & MC_INTR) {
-		val64 = MC_INT_M;
-		if (flag == ENABLE_INTRS) {
-			temp64 = readq(&bar0->general_int_mask);
-			temp64 &= ~((u64) val64);
-			writeq(temp64, &bar0->general_int_mask);
-			/*
-			 * Enable all MC Intrs.
-			 */
-			writeq(0x0, &bar0->mc_int_mask);
-			writeq(0x0, &bar0->mc_err_mask);
-		} else if (flag == DISABLE_INTRS) {
-			/*
-			 * Disable MC Intrs in the general intr mask register
-			 */
-			writeq(DISABLE_ALL_INTRS, &bar0->mc_int_mask);
-			temp64 = readq(&bar0->general_int_mask);
-			val64 |= temp64;
-			writeq(val64, &bar0->general_int_mask);
-		}
-	}
-
-
 	/*  Tx traffic interrupts */
 	if (mask & TX_TRAFFIC_INTR) {
 		val64 = TXTRAFFIC_INT_M;