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[Blackfin] arch: Cleanup Kconfig, fix comment and make sure we exclude CCLK=SCLK for some configurations

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Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Michael Hennerich 2008-05-07 11:41:26 +08:00 committed by Bryan Wu
parent 28a4acb485
commit 67dea022d8
2 changed files with 2 additions and 12 deletions
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10
arch/blackfin/Kconfig
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@ -963,22 +963,12 @@ endchoice
endmenu
if (BF537 || BF533 || BF54x)
menu "CPU Frequency scaling"
source "drivers/cpufreq/Kconfig"
config CPU_FREQ
bool
default n
help
If you want to enable this option, you should select the
DPMC driver from Character Devices.
endmenu
endif
source "net/Kconfig"
source "drivers/Kconfig"

4
arch/blackfin/mach-common/cpufreq.c
View file

@ -121,7 +121,7 @@ static int __init __bfin_cpu_init(struct cpufreq_policy *policy)
#ifdef CONFIG_CYCLES_CLOCKSOURCE
/*
* Clocksource CYCLES is still CONTINUOUS but not longer MONOTONIC in case we enable
* Clocksource CYCLES is still CONTINUOUS but not longer with a constant tick rate in case we enable
* CPU frequency scaling, since CYCLES runs off Core Clock.
*/
printk(KERN_WARNING "CPU frequency scaling not supported: Clocksource not suitable\n"
@ -134,7 +134,7 @@ static int __init __bfin_cpu_init(struct cpufreq_policy *policy)
cclk = get_cclk();
sclk = get_sclk();
#if ANOMALY_05000273
#if ANOMALY_05000273 || (!defined(CONFIG_BF54x) && defined(CONFIG_BFIN_DCACHE))
min_cclk = sclk * 2;
#else
min_cclk = sclk;