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Commit 508808cd authored by Mike Frysinger's avatar Mike Frysinger Committed by Bryan Wu
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Blackfin arch: do not allow people to pass in a diff clkin_hz value 



do not allow people to pass in a diff clkin_hz value when
reprogramming clocks -- it is too late currently

Signed-off-by: default avatarMike Frysinger <vapier.adi@gmail.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
parent 7f1e2f98

arch/blackfin/kernel/setup.c

+4 −0
Original line number Diff line number Diff line
@@ -951,6 +951,10 @@ static u_long get_clkin_hz(void) 
static int __init early_init_clkin_hz(char *buf)

{

	cached_clkin_hz = simple_strtoul(buf, NULL, 0);

#ifdef BFIN_KERNEL_CLOCK

	if (cached_clkin_hz != CONFIG_CLKIN_HZ)

		panic("cannot change clkin_hz when reprogramming clocks");

#endif

	return 1;

}

early_param("clkin_hz=", early_init_clkin_hz);