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MX31: Make get_reset_cause() static and drop unreachable code

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get_reset_cause() should not be exported. Drop code in the function
after return statement that can generate warnings due to unreachable code.

Signed-off-by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
This commit is contained in:
Stefano Babic 2011-05-17 13:45:41 +02:00 committed by Albert ARIBAUD
parent b302b15193
commit d43458d237
1 changed files with 1 additions and 5 deletions
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6
arch/arm/cpu/arm1136/mx31/generic.c
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@ -133,7 +133,7 @@ u32 get_cpu_rev(void)
return srev | 0x8000; return srev | 0x8000;
} }
char *get_reset_cause(void) static char *get_reset_cause(void)
{ {
/* read RCSR register from CCM module */ /* read RCSR register from CCM module */
struct clock_control_regs *ccm = struct clock_control_regs *ccm =
@ -144,16 +144,12 @@ char *get_reset_cause(void)
switch (cause) { switch (cause) {
case 0x0000: case 0x0000:
return "POR"; return "POR";
break;
case 0x0001: case 0x0001:
return "RST"; return "RST";
break;
case 0x0002: case 0x0002:
return "WDOG"; return "WDOG";
break;
case 0x0006: case 0x0006:
return "JTAG"; return "JTAG";
break;
default: default:
return "unknown reset"; return "unknown reset";
} }