diff options
| -rw-r--r-- | drivers/net/enc28j60.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/net/enc28j60.c b/drivers/net/enc28j60.c index d55cacd..e2011ae 100644 --- a/drivers/net/enc28j60.c +++ b/drivers/net/enc28j60.c @@ -432,7 +432,6 @@ 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 +475,7 @@ 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 +488,7 @@ 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 +499,13 @@ 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 */ |