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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>
This commit is contained in:
Fabio Estevam 2011-09-23 05:13:22 +00:00 committed by Albert ARIBAUD
parent 9ba24f17b2
commit e6ec1761cd
1 changed files with 23 additions and 23 deletions
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46
arch/arm/cpu/arm926ejs/mx25/generic.c
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@ -105,29 +105,6 @@ ulong imx_get_perclk (int clk)
return lldiv (fref, div); 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 get_cpu_rev(void)
{ {
u32 srev; u32 srev;
@ -153,6 +130,29 @@ u32 get_cpu_rev(void)
} }
#if defined(CONFIG_DISPLAY_CPUINFO) #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) int print_cpuinfo (void)
{ {
char buf[32]; char buf[32];