[Blackfin] arch: Cleanup Kconfig, fix comment and make sure we exclude CCLK=SCLK for some configurations
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 795d0ac..7f1ab80 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -963,22 +963,12 @@
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"
diff --git a/arch/blackfin/mach-common/cpufreq.c b/arch/blackfin/mach-common/cpufreq.c
index ed81e00..dd1515e 100644
--- a/arch/blackfin/mach-common/cpufreq.c
+++ b/arch/blackfin/mach-common/cpufreq.c
@@ -121,7 +121,7 @@
#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 @@
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;