From: Albert ARIBAUD \(3ADEV\) <albert.aribaud@3adev.fr>
Date: Fri, 19 Jun 2015 12:18:27 +0000 (+0200)
Subject: net: fec_mxc: remove useless struct nbuf
X-Git-Tag: KARO-TX6-2015-09-18~1470
X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=commitdiff_plain;h=d99579fb254e5bbf255cf07e96f212394fddb524

net: fec_mxc: remove useless struct nbuf

This locally defined struct is actually only used once
and as an opaque type. Remove it for clarity.

Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
---

diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index 8f6faaac93..027c6123ad 100644
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -69,15 +69,6 @@ DECLARE_GLOBAL_DATA_PTR;
 
 #undef DEBUG
 
-struct nbuf {
-	uint8_t data[1500];	/**< actual data */
-	int length;		/**< actual length */
-	int used;		/**< buffer in use or not */
-	uint8_t head[16];	/**< MAC header(6 + 6 + 2) + 2(aligned) */
-};
-
-static int rx_idx;
-
 #ifdef CONFIG_FEC_MXC_SWAP_PACKET
 static void swap_packet(uint32_t *packet, int length)
 {
@@ -789,7 +780,6 @@ static int fec_recv(struct eth_device *dev)
 	struct fec_bd *rbd = &fec->rbd_base[fec->rbd_index];
 	unsigned long ievent;
 	int frame_length, len = 0;
-	struct nbuf *frame;
 	uint16_t bd_status;
 	uint32_t addr, size, end;
 	int i;
@@ -851,13 +841,12 @@ static int fec_recv(struct eth_device *dev)
 			/*
 			 * Get buffer address and size
 			 */
-			frame = (struct nbuf *)readl(&rbd->data_pointer);
+			addr = readl(&rbd->data_pointer);
 			frame_length = readw(&rbd->data_length) - 4;
 
 			/*
 			 * Invalidate data cache over the buffer
 			 */
-			addr = (uint32_t)frame;
 			end = roundup(addr + frame_length, ARCH_DMA_MINALIGN);
 			addr &= ~(ARCH_DMA_MINALIGN - 1);
 			invalidate_dcache_range(addr, end);
@@ -866,16 +855,15 @@ static int fec_recv(struct eth_device *dev)
 			 *  Fill the buffer and pass it to upper layers
 			 */
 #ifdef CONFIG_FEC_MXC_SWAP_PACKET
-			swap_packet((uint32_t *)frame->data, frame_length);
+			swap_packet((uint32_t *)addr, frame_length);
 #endif
-			memcpy(buff, frame->data, frame_length);
+			memcpy(buff, (char *)addr, frame_length);
 			net_process_received_packet(buff, frame_length);
 			len = frame_length;
 		} else {
 			if (bd_status & FEC_RBD_ERR)
-				printf("error frame: 0x%08lx 0x%08x\n",
-						(ulong)rbd->data_pointer,
-						bd_status);
+				printf("error frame: 0x%08x 0x%08x\n",
+				       addr, bd_status);
 		}
 
 		/*