ppc4xx: Fix compilation warning in 4xx_enet.c

Signed-off-by: Stefan Roese <sr@denx.de>

diff --git a/cpu/ppc4xx/4xx_enet.c b/cpu/ppc4xx/4xx_enet.c
index 4541a1468c98623b9f51c9e163fc3d5da65aa62e..21ba9228814f1fdb2704ea50203417bcd5f1247f 100644 (file)
--- a/cpu/ppc4xx/4xx_enet.c
+++ b/cpu/ppc4xx/4xx_enet.c
@@ -274,8 +274,7 @@ static void emac_loopback_disable(EMAC_4XX_HW_PST hw_p)
 static void ppc_4xx_eth_halt (struct eth_device *dev)
 {
        EMAC_4XX_HW_PST hw_p = dev->priv;
-       uint32_t failsafe = 10000;
-       u32 eth_cfg = 0;
+       u32 val = 10000;
 
        out_be32((void *)EMAC_IER + hw_p->hw_addr, 0x00000000); /* disable emac interrupts */
 
@@ -291,8 +290,8 @@ static void ppc_4xx_eth_halt (struct eth_device *dev)
        /* wait for reset */
        while (mfdcr (malrxcasr) & (MAL_CR_MMSR >> hw_p->devnum)) {
                udelay (1000);  /* Delay 1 MS so as not to hammer the register */
-               failsafe--;
-               if (failsafe == 0)
+               val--;
+               if (val == 0)
                        break;
        }
 
@@ -311,9 +310,9 @@ static void ppc_4xx_eth_halt (struct eth_device *dev)
 
 #if defined(CONFIG_460EX) || defined(CONFIG_460GT)
        /* don't bypass the TAHOE0/TAHOE1 cores for Linux */
-       mfsdr(SDR0_ETH_CFG, eth_cfg);
-       eth_cfg &= ~(SDR0_ETH_CFG_TAHOE0_BYPASS | SDR0_ETH_CFG_TAHOE1_BYPASS);
-       mtsdr(SDR0_ETH_CFG, eth_cfg);
+       mfsdr(SDR0_ETH_CFG, val);
+       val &= ~(SDR0_ETH_CFG_TAHOE0_BYPASS | SDR0_ETH_CFG_TAHOE1_BYPASS);
+       mtsdr(SDR0_ETH_CFG, val);
 #endif
 
        return;