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MIPS: lantiq: Return correct value for fpi clock on ar9 

Some configurations of AR9 reported the incorrect speed for the fpi bus.

Signed-off-by: Ben Mulvihill <ben.mulvihill@gmail.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/11448/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
hifive-unleashed-5.1
John Crispin 2015-11-04 13:14:13 +01:00 committed by Ralf Baechle
parent 69ebed7dc9
commit 1601078df2
1 changed files with 3 additions and 2 deletions
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5
arch/mips/lantiq/xway/clk.c
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@ -88,8 +88,9 @@ unsigned long ltq_ar9_fpi_hz(void)
unsigned long sys = ltq_ar9_sys_hz();
if (ltq_cgu_r32(CGU_SYS) & BIT(0))
return sys;
return sys >> 1;
return sys / 3;
else
return sys / 2;
}
unsigned long ltq_ar9_cpu_hz(void)