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| author | David Brownell <david-b@pacbell.net> | 2007-11-12 17:59:10 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-01-26 15:00:31 +0000 |
| commit | 5248c657898c018bcd23ef77759fa1d6c690bdf4 (patch) | |
| tree | 48204e22be9aa73f5e8dba4ed79df6517a1f7b21 /arch/arm/Kconfig | |
| parent | 156864f806baa4e1aa6eabd28ac45ecc92b31315 (diff) | |
| download | blackbird-op-linux-5248c657898c018bcd23ef77759fa1d6c690bdf4.tar.gz blackbird-op-linux-5248c657898c018bcd23ef77759fa1d6c690bdf4.zip | |
[ARM] 4646/1: AT91: configurable HZ, default to 128
This makes HZ configurable on AT91, following the model used on OMAP.
It defaults to a power of two on AT91rm9200 chips, avoiding rounding
errors which come from dividing a 32 KiHz clock to generate scheduler
irqs; and uses 100 on AT91sam926x chips, using MCK/16 (multi-MHZ).
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Remy Bhmer <linux@bohmer.net>
Acked-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index a04f507e7f2c..93e40b65fd0b 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -657,6 +657,7 @@ config HZ default 128 if ARCH_L7200 default 200 if ARCH_EBSA110 || ARCH_S3C2410 default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER + default AT91_TIMER_HZ if ARCH_AT91 default 100 config AEABI |
