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drivers/net/enc28j60.c: Fix GCC 4.6 warnings 

Fix:
enc28j60.c: In function 'enc_receive':
enc28j60.c:435:5: warning: variable 'eir_reg' set but not used
[-Wunused-but-set-variable]
enc28j60.c: In function 'enc_poll':
enc28j60.c:503:5: warning: variable 'estat_reg' set but not used
[-Wunused-but-set-variable]

Signed-off-by: Anatolij Gustschin <agust@denx.de>
This commit is contained in:
Anatolij Gustschin 2011-11-15 13:20:55 +00:00 committed by Wolfgang Denk
parent e560492b32
commit da5406655a
1 changed files with 3 additions and 5 deletions
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8
drivers/net/enc28j60.c
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@ -432,7 +432,6 @@ static void enc_receive(enc_dev_t *enc)
u16 pkt_len; u16 pkt_len;
u16 copy_len; u16 copy_len;
u16 status; u16 status;
u8 eir_reg;
u8 pkt_cnt = 0; u8 pkt_cnt = 0;
u16 rxbuf_rdpt; u16 rxbuf_rdpt;
u8 hbuf[6]; u8 hbuf[6];
@ -476,7 +475,7 @@ static void enc_receive(enc_dev_t *enc)
/* read pktcnt */ /* read pktcnt */
pkt_cnt = enc_r8(enc, CTL_REG_EPKTCNT); pkt_cnt = enc_r8(enc, CTL_REG_EPKTCNT);
if (copy_len == 0) { if (copy_len == 0) {
eir_reg = enc_r8(enc, CTL_REG_EIR); (void)enc_r8(enc, CTL_REG_EIR);
enc_reset_rx(enc); enc_reset_rx(enc);
printf("%s: receive copy_len=0\n", enc->dev->name); printf("%s: receive copy_len=0\n", enc->dev->name);
continue; continue;
@ -489,7 +488,7 @@ static void enc_receive(enc_dev_t *enc)
NetReceive(packet, pkt_len); NetReceive(packet, pkt_len);
if (enc_claim_bus(enc)) if (enc_claim_bus(enc))
return; return;
eir_reg = enc_r8(enc, CTL_REG_EIR); (void)enc_r8(enc, CTL_REG_EIR);
} while (pkt_cnt); } while (pkt_cnt);
/* Use EPKTCNT not EIR.PKTIF flag, see errata pt. 6 */ /* 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) static void enc_poll(enc_dev_t *enc)
{ {
u8 eir_reg; u8 eir_reg;
u8 estat_reg;
u8 pkt_cnt; u8 pkt_cnt;
#ifdef CONFIG_USE_IRQ #ifdef CONFIG_USE_IRQ
/* clear global interrupt enable bit in enc28j60 */ /* clear global interrupt enable bit in enc28j60 */
enc_bclr(enc, CTL_REG_EIE, ENC_EIE_INTIE); enc_bclr(enc, CTL_REG_EIE, ENC_EIE_INTIE);
#endif #endif
estat_reg = enc_r8(enc, CTL_REG_ESTAT); (void)enc_r8(enc, CTL_REG_ESTAT);
eir_reg = enc_r8(enc, CTL_REG_EIR); eir_reg = enc_r8(enc, CTL_REG_EIR);
if (eir_reg & ENC_EIR_TXIF) { if (eir_reg & ENC_EIR_TXIF) {
/* clear TXIF bit in EIR */ /* clear TXIF bit in EIR */