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avr: Enable CLEAR_PRESCALER by default on at90usb1286 

It appears this option is commonly needed on the at90usb1286 avr chip
(the printrboard requires it), so default it on.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2017-06-09 18:42:40 -04:00
parent 01ee9e16c5
commit 46846d4297
1 changed files with 1 additions and 1 deletions
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src/avr/Kconfig
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@ -59,7 +59,7 @@ config CLOCK_FREQ
config CLEAR_PRESCALER
bool "Manually clear the CPU prescaler field at startup"
depends on MACH_at90usb1286
default n
default y
help
Some AVR chips ship with a "clock prescaler" that causes the
chip to run at 1/8th speed. Enable this setting to clear the