X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fnet%2Fenc28j60.c;h=ec33764f5ecb93a791db1b63fa477cb29f056724;hb=97598fcf10eba577622f3387eaecd43dd710da0d;hp=d55cacdac8c0acf9b453d0341c779b2856b77571;hpb=09c04c20962afd25ce5797e263906f84de5b1f4c;p=u-boot

diff --git a/drivers/net/enc28j60.c b/drivers/net/enc28j60.c
index d55cacdac8..ec33764f5e 100644
--- a/drivers/net/enc28j60.c
+++ b/drivers/net/enc28j60.c
@@ -4,20 +4,7 @@
  * Martin Krause, Martin.Krause@tqs.de
  * reworked original enc28j60.c
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
@@ -432,7 +419,6 @@ static void enc_receive(enc_dev_t *enc)
 	u16 pkt_len;
 	u16 copy_len;
 	u16 status;
-	u8 eir_reg;
 	u8 pkt_cnt = 0;
 	u16 rxbuf_rdpt;
 	u8 hbuf[6];
@@ -476,7 +462,7 @@ static void enc_receive(enc_dev_t *enc)
 		/* read pktcnt */
 		pkt_cnt = enc_r8(enc, CTL_REG_EPKTCNT);
 		if (copy_len == 0) {
-			eir_reg = enc_r8(enc, CTL_REG_EIR);
+			(void)enc_r8(enc, CTL_REG_EIR);
 			enc_reset_rx(enc);
 			printf("%s: receive copy_len=0\n", enc->dev->name);
 			continue;
@@ -489,7 +475,7 @@ static void enc_receive(enc_dev_t *enc)
 		NetReceive(packet, pkt_len);
 		if (enc_claim_bus(enc))
 			return;
-		eir_reg = enc_r8(enc, CTL_REG_EIR);
+		(void)enc_r8(enc, CTL_REG_EIR);
 	} while (pkt_cnt);
 	/* Use EPKTCNT not EIR.PKTIF flag, see errata pt. 6 */
 }
@@ -500,14 +486,13 @@ static void enc_receive(enc_dev_t *enc)
 static void enc_poll(enc_dev_t *enc)
 {
 	u8 eir_reg;
-	u8 estat_reg;
 	u8 pkt_cnt;
 
 #ifdef CONFIG_USE_IRQ
 	/* clear global interrupt enable bit in enc28j60 */
 	enc_bclr(enc, CTL_REG_EIE, ENC_EIE_INTIE);
 #endif
-	estat_reg = enc_r8(enc, CTL_REG_ESTAT);
+	(void)enc_r8(enc, CTL_REG_ESTAT);
 	eir_reg = enc_r8(enc, CTL_REG_EIR);
 	if (eir_reg & ENC_EIR_TXIF) {
 		/* clear TXIF bit in EIR */
@@ -877,7 +862,7 @@ static int enc_recv(struct eth_device *dev)
  */
 static int enc_send(
 	struct eth_device *dev,
-	volatile void *packet,
+	void *packet,
 	int length)
 {
 	enc_dev_t *enc = dev->priv;