[U-Boot] [PATCH] drivers/net/ne2000_base.c: Fix GCC 4.6 build warnings

[Wolfgang Denk]

Fix:
ne2000_base.c: In function 'dp83902a_send':
ne2000_base.c:282:7: warning: variable 'tmp' set but not used
[-Wunused-but-set-variable]
ne2000_base.c: In function 'dp83902a_RxEvent':
ne2000_base.c:376:5: warning: variable 'rsr' set but not used
[-Wunused-but-set-variable]
ne2000_base.c: In function 'dp83902a_TxEvent':
ne2000_base.c:513:5: warning: variable 'tsr' set but not used
[-Wunused-but-set-variable]
ne2000_base.c: In function 'dp83902a_ClearCounters':
ne2000_base.c:550:17: warning: variable 'cnt3' set but not used
[-Wunused-but-set-variable]
ne2000_base.c:550:11: warning: variable 'cnt2' set but not used
[-Wunused-but-set-variable]
ne2000_base.c:550:5: warning: variable 'cnt1' set but not used
[-Wunused-but-set-variable]

Signed-off-by: Wolfgang Denk <w...@denx.de>
---
 drivers/net/ne2000_base.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ne2000_base.c b/drivers/net/ne2000_base.c
index 88f2b37..8275091 100644
--- a/drivers/net/ne2000_base.c
+++ b/drivers/net/ne2000_base.c
@@ -76,6 +76,7 @@ Add SNMP
 #include <command.h>
 #include <net.h>
 #include <malloc.h>
+#include <linux/compiler.h>
 
 /* forward definition of function used for the uboot interface */
 void uboot_push_packet_len(int len);
@@ -279,7 +280,7 @@ dp83902a_send(u8 *data, int total_len, u32 key)
                 * does (i.e., also read data).
                 */
 
-               u16 tmp;
+               __maybe_unused u16 tmp;
                int len = 1;
 
                DP_OUT(base, DP_RSAL, 0x100 - len);
@@ -373,7 +374,7 @@ dp83902a_RxEvent(void)
 {
        struct dp83902a_priv_data *dp = (struct dp83902a_priv_data *) &nic;
        u8 *base = dp->base;
-       u8 rsr;
+       __maybe_unused u8 rsr;
        u8 rcv_hdr[4];
        int i, len, pkt, cur;
 
@@ -510,7 +511,7 @@ dp83902a_TxEvent(void)
 {
        struct dp83902a_priv_data *dp = (struct dp83902a_priv_data *) &nic;
        u8 *base = dp->base;
-       u8 tsr;
+       __maybe_unused u8 tsr;
        u32 key;
 
        DEBUG_FUNCTION();
@@ -547,7 +548,7 @@ dp83902a_ClearCounters(void)
 {
        struct dp83902a_priv_data *dp = (struct dp83902a_priv_data *) &nic;
        u8 *base = dp->base;
-       u8 cnt1, cnt2, cnt3;
+       __maybe_unused u8 cnt1, cnt2, cnt3;
 
        DP_IN(base, DP_FER, cnt1);
        DP_IN(base, DP_CER, cnt2);
-- 
1.7.6.4

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