mxc_get_clock's return type is unsigned int. 'return -1' is same with 'return 0xffffffff', so 0 should be used as the return value when unsupported mxc_clock type is passed to mxc_get_clock.
Also include an err message when unsupported mxc_clock type is passed to mxc_get_clock.
Signed-off-by: Peng Fan Peng.Fan@freescale.com --- arch/arm/cpu/armv7/mx6/clock.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index 80b11aa..99dba07 100644 --- a/arch/arm/cpu/armv7/mx6/clock.c +++ b/arch/arm/cpu/armv7/mx6/clock.c @@ -738,10 +738,11 @@ unsigned int mxc_get_clock(enum mxc_clock clk) case MXC_SATA_CLK: return get_ahb_clk(); default: + printf("Unsupported MXC CLK: %d\n", clk); break; }
- return -1; + return 0; }
/*