net: emaclite: Remove unnecessary code that enables/disables interrupts on PONG buffers
authorSrikanth Thokala <sthokal@xilinx.com>
Sat, 7 Dec 2013 08:10:48 +0000 (13:40 +0530)
committerDavid S. Miller <davem@davemloft.net>
Tue, 10 Dec 2013 02:02:25 +0000 (21:02 -0500)
There are no specific interrupts for the PONG buffer on both
transmit and receive side, same interrupt is valid for both
buffers. So, this patch removes this code.

Signed-off-by: Srikanth Thokala <sthokal@xilinx.com>
Reviewed-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/xilinx/xilinx_emaclite.c

index 74234a5..b2850fd 100644 (file)
@@ -163,26 +163,9 @@ static void xemaclite_enable_interrupts(struct net_local *drvdata)
        __raw_writel(reg_data | XEL_TSR_XMIT_IE_MASK,
                     drvdata->base_addr + XEL_TSR_OFFSET);
 
-       /* Enable the Tx interrupts for the second Buffer if
-        * configured in HW */
-       if (drvdata->tx_ping_pong != 0) {
-               reg_data = __raw_readl(drvdata->base_addr +
-                                  XEL_BUFFER_OFFSET + XEL_TSR_OFFSET);
-               __raw_writel(reg_data | XEL_TSR_XMIT_IE_MASK,
-                            drvdata->base_addr + XEL_BUFFER_OFFSET +
-                            XEL_TSR_OFFSET);
-       }
-
        /* Enable the Rx interrupts for the first buffer */
        __raw_writel(XEL_RSR_RECV_IE_MASK, drvdata->base_addr + XEL_RSR_OFFSET);
 
-       /* Enable the Rx interrupts for the second Buffer if
-        * configured in HW */
-       if (drvdata->rx_ping_pong != 0) {
-               __raw_writel(XEL_RSR_RECV_IE_MASK, drvdata->base_addr +
-                            XEL_BUFFER_OFFSET + XEL_RSR_OFFSET);
-       }
-
        /* Enable the Global Interrupt Enable */
        __raw_writel(XEL_GIER_GIE_MASK, drvdata->base_addr + XEL_GIER_OFFSET);
 }
@@ -206,31 +189,10 @@ static void xemaclite_disable_interrupts(struct net_local *drvdata)
        __raw_writel(reg_data & (~XEL_TSR_XMIT_IE_MASK),
                     drvdata->base_addr + XEL_TSR_OFFSET);
 
-       /* Disable the Tx interrupts for the second Buffer
-        * if configured in HW */
-       if (drvdata->tx_ping_pong != 0) {
-               reg_data = __raw_readl(drvdata->base_addr + XEL_BUFFER_OFFSET +
-                                  XEL_TSR_OFFSET);
-               __raw_writel(reg_data & (~XEL_TSR_XMIT_IE_MASK),
-                            drvdata->base_addr + XEL_BUFFER_OFFSET +
-                            XEL_TSR_OFFSET);
-       }
-
        /* Disable the Rx interrupts for the first buffer */
        reg_data = __raw_readl(drvdata->base_addr + XEL_RSR_OFFSET);
        __raw_writel(reg_data & (~XEL_RSR_RECV_IE_MASK),
                     drvdata->base_addr + XEL_RSR_OFFSET);
-
-       /* Disable the Rx interrupts for the second buffer
-        * if configured in HW */
-       if (drvdata->rx_ping_pong != 0) {
-
-               reg_data = __raw_readl(drvdata->base_addr + XEL_BUFFER_OFFSET +
-                                  XEL_RSR_OFFSET);
-               __raw_writel(reg_data & (~XEL_RSR_RECV_IE_MASK),
-                            drvdata->base_addr + XEL_BUFFER_OFFSET +
-                            XEL_RSR_OFFSET);
-       }
 }
 
 /**