* 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>
u16 pkt_len;
u16 copy_len;
u16 status;
- u8 eir_reg;
u8 pkt_cnt = 0;
u16 rxbuf_rdpt;
u8 hbuf[6];
/* 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;
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 */
}
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 */
*/
static int enc_send(
struct eth_device *dev,
- volatile void *packet,
+ void *packet,
int length)
{
enc_dev_t *enc = dev->priv;