[U-Boot] [PATCH 6/7] mx25: Define cpu_eth_init() only if needed

["Benoît Thébaudeau" <benoit.thebaudeau@advansee.com>]

The FEC is the only SoC Ethernet support available on i.MX25, so define
cpu_eth_init() only for it instead of returning a misleading success code.

Signed-off-by: Beno?t Th?baudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
---
 .../arch/arm/cpu/arm926ejs/mx25/generic.c          |   10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git u-boot-imx-e1eb75b.orig/arch/arm/cpu/arm926ejs/mx25/generic.c u-boot-imx-e1eb75b/arch/arm/cpu/arm926ejs/mx25/generic.c
index 5da2582..6374248 100644
--- u-boot-imx-e1eb75b.orig/arch/arm/cpu/arm926ejs/mx25/generic.c
+++ u-boot-imx-e1eb75b/arch/arm/cpu/arm926ejs/mx25/generic.c
@@ -206,9 +206,13 @@ void enable_caches(void)
 #endif
 }
 
+#if defined(CONFIG_FEC_MXC)
+/*
+ * Initializes on-chip ethernet controllers.
+ * to override, implement board_eth_init()
+ */
 int cpu_eth_init(bd_t *bis)
 {
-#if defined(CONFIG_FEC_MXC)
 	struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
 	ulong val;
 
@@ -216,10 +220,8 @@ int cpu_eth_init(bd_t *bis)
 	val |= (1 << 23);
 	writel(val, &ccm->cgr0);
 	return fecmxc_initialize(bis);
-#else
-	return 0;
-#endif
 }
+#endif
 
 int get_clocks(void)
 {