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[ARM] footbridge: set dc21285 clock rate from command line

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Allow the footbridge clock rate to be specified on the kernel command
line.  This allows us to work-around broken Personal Server firmware.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2008-12-30 16:24:17 +00:00 committed by Russell King
parent 47992cbdae
commit 613e09b46a
1 changed files with 7 additions and 0 deletions
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7
arch/arm/mach-footbridge/common.c
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@ -34,6 +34,13 @@ unsigned int mem_fclk_21285 = 50000000;
EXPORT_SYMBOL(mem_fclk_21285);
static void __init early_fclk(char **arg)
{
mem_fclk_21285 = simple_strtoul(*arg, arg, 0);
}
__early_param("mem_fclk_21285=", early_fclk);
static int __init parse_tag_memclk(const struct tag *tag)
{
mem_fclk_21285 = tag->u.memclk.fmemclk;