net: emaclite: Remove XEL_TSR_XMIT_ACTIVE_MASK flag

This flag is not documented anywhere in the latest documentation that's
why this patch removes it.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>

diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c
index b0c2635..b6f3aca 100644 (file)
--- a/drivers/net/xilinx_emaclite.c
+++ b/drivers/net/xilinx_emaclite.c
@@ -33,8 +33,6 @@
 #define XEL_TSR_XMIT_BUSY_MASK         0x00000001UL
 /* Xmit interrupt enable bit */
 #define XEL_TSR_XMIT_IE_MASK           0x00000008UL
-/* Buffer is active, SW bit only */
-#define XEL_TSR_XMIT_ACTIVE_MASK       0x80000000UL
 /* Program the MAC address */
 #define XEL_TSR_PROGRAM_MASK           0x00000002UL
 /* define for programming the MAC address into the EMAC Lite */
@@ -427,10 +425,7 @@ static int emaclite_send(struct eth_device *dev, void *ptr, int len)
 
        /* Determine if the expected buffer address is empty */
        reg = in_be32 (baseaddress + XEL_TSR_OFFSET);
-       if (((reg & XEL_TSR_XMIT_BUSY_MASK) == 0)
-               && ((in_be32 ((baseaddress) + XEL_TSR_OFFSET)
-                       & XEL_TSR_XMIT_ACTIVE_MASK) == 0)) {
-
+       if ((reg & XEL_TSR_XMIT_BUSY_MASK) == 0) {
                if (emaclite->txpp)
                        emaclite->nexttxbuffertouse ^= XEL_BUFFER_OFFSET;
 
@@ -441,8 +436,6 @@ static int emaclite_send(struct eth_device *dev, void *ptr, int len)
                        (XEL_TPLR_LENGTH_MASK_HI | XEL_TPLR_LENGTH_MASK_LO)));
                reg = in_be32 (baseaddress + XEL_TSR_OFFSET);
                reg |= XEL_TSR_XMIT_BUSY_MASK;
-               if ((reg & XEL_TSR_XMIT_IE_MASK) != 0)
-                       reg |= XEL_TSR_XMIT_ACTIVE_MASK;
                out_be32 (baseaddress + XEL_TSR_OFFSET, reg);
                return 0;
        }
@@ -452,9 +445,7 @@ static int emaclite_send(struct eth_device *dev, void *ptr, int len)
                baseaddress ^= XEL_BUFFER_OFFSET;
                /* Determine if the expected buffer address is empty */
                reg = in_be32 (baseaddress + XEL_TSR_OFFSET);
-               if (((reg & XEL_TSR_XMIT_BUSY_MASK) == 0)
-                       && ((in_be32 ((baseaddress) + XEL_TSR_OFFSET)
-                               & XEL_TSR_XMIT_ACTIVE_MASK) == 0)) {
+               if ((reg & XEL_TSR_XMIT_BUSY_MASK) == 0) {
                        debug("Send packet from 0x%x\n", baseaddress);
                        /* Write the frame to the buffer */
                        xemaclite_alignedwrite(ptr, baseaddress, len);
@@ -463,8 +454,6 @@ static int emaclite_send(struct eth_device *dev, void *ptr, int len)
                                        XEL_TPLR_LENGTH_MASK_LO)));
                        reg = in_be32 (baseaddress + XEL_TSR_OFFSET);
                        reg |= XEL_TSR_XMIT_BUSY_MASK;
-                       if ((reg & XEL_TSR_XMIT_IE_MASK) != 0)
-                               reg |= XEL_TSR_XMIT_ACTIVE_MASK;
                        out_be32 (baseaddress + XEL_TSR_OFFSET, reg);
                        return 0;
                }