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MIPS: lantiq: the detection of the gpe clock is broken

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The code to detect unfused SoCs was broken due to missing register masking.

Signed-off-by: Thomas Langer <thomas.langer@lantiq.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/8049/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
John Crispin 2014-10-10 23:37:52 +02:00 • committed by Ralf Baechle
parent 17327862f3
commit eb5dbd22b6
1 changed files with 4 additions and 5 deletions
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9
arch/mips/lantiq/falcon/sysctrl.c
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@ -147,12 +147,11 @@ static void falcon_gpe_enable(void)
if (status & (1 << (GPPC_OFFSET + 1))) if (status & (1 << (GPPC_OFFSET + 1)))
return; return;
if (status_r32(STATUS_CONFIG) == 0) freq = (status_r32(STATUS_CONFIG) &
GPEFREQ_MASK) >>
GPEFREQ_OFFSET;
if (freq == 0)
freq = 1; /* use 625MHz on unfused chip */ freq = 1; /* use 625MHz on unfused chip */
else
freq = (status_r32(STATUS_CONFIG) &
GPEFREQ_MASK) >>
GPEFREQ_OFFSET;
/* apply new frequency */ /* apply new frequency */
sysctl_w32_mask(SYSCTL_SYS1, 7 << (GPPC_OFFSET + 1), sysctl_w32_mask(SYSCTL_SYS1, 7 << (GPPC_OFFSET + 1),