zmx25: Fix build warning due to 'get_reset_cause' defined but not used

When building the zmx25 target we get:

Configuring for zmx25 board...
generic.c:108: warning: 'get_reset_cause' defined but not used

Fix this warning by defining get_reset_cause only if CONFIG_DISPLAY_CPUINFO is defined.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Stefano Babic <sbabic@denx.de>

diff --git a/arch/arm/cpu/arm926ejs/mx25/generic.c b/arch/arm/cpu/arm926ejs/mx25/generic.c
index 126164020fb17507cfe73c75f0e76d29aaba7525..8e60a262ebb21b5d220f2549ce0043731984da6d 100644 (file)
--- a/arch/arm/cpu/arm926ejs/mx25/generic.c
+++ b/arch/arm/cpu/arm926ejs/mx25/generic.c
@@ -105,29 +105,6 @@ ulong imx_get_perclk (int clk)
        return lldiv (fref, div);
 }
 
-static char *get_reset_cause(void)
-{
-       /* read RCSR register from CCM module */
-       struct ccm_regs *ccm =
-               (struct ccm_regs *)IMX_CCM_BASE;
-
-       u32 cause = readl(&ccm->rcsr) & 0x0f;
-
-       if (cause == 0)
-               return "POR";
-       else if (cause == 1)
-               return "RST";
-       else if ((cause & 2) == 2)
-               return "WDOG";
-       else if ((cause & 4) == 4)
-               return "SW RESET";
-       else if ((cause & 8) == 8)
-               return "JTAG";
-       else
-               return "unknown reset";
-
-}
-
 u32 get_cpu_rev(void)
 {
        u32 srev;
@@ -153,6 +130,29 @@ u32 get_cpu_rev(void)
 }
 
 #if defined(CONFIG_DISPLAY_CPUINFO)
+static char *get_reset_cause(void)
+{
+       /* read RCSR register from CCM module */
+       struct ccm_regs *ccm =
+               (struct ccm_regs *)IMX_CCM_BASE;
+
+       u32 cause = readl(&ccm->rcsr) & 0x0f;
+
+       if (cause == 0)
+               return "POR";
+       else if (cause == 1)
+               return "RST";
+       else if ((cause & 2) == 2)
+               return "WDOG";
+       else if ((cause & 4) == 4)
+               return "SW RESET";
+       else if ((cause & 8) == 8)
+               return "JTAG";
+       else
+               return "unknown reset";
+
+}
+
 int print_cpuinfo (void)
 {
        char buf[32];