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ARM: ep93xx: normalize clk API

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It's a combination of the patch from Arnd Bergmann, which added empty stubs
for clk_round_rate() and clk_set_parent() and a working trivial
implementation of clk_get_parent(). The later is required for ADC driver.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Alexander Sverdlin 2015-11-22 15:24:28 +01:00 committed by Arnd Bergmann
parent 77a374c299
commit ef8aa4e0a0
1 changed files with 20 additions and 0 deletions
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20
arch/arm/mach-ep93xx/clock.c
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@ -475,6 +475,26 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
}
EXPORT_SYMBOL(clk_set_rate);
long clk_round_rate(struct clk *clk, unsigned long rate)
{
WARN_ON(clk);
return 0;
}
EXPORT_SYMBOL(clk_round_rate);
int clk_set_parent(struct clk *clk, struct clk *parent)
{
WARN_ON(clk);
return 0;
}
EXPORT_SYMBOL(clk_set_parent);
struct clk *clk_get_parent(struct clk *clk)
{
return clk->parent;
}
EXPORT_SYMBOL(clk_get_parent);
static char fclk_divisors[] = { 1, 2, 4, 8, 16, 1, 1, 1 };
static char hclk_divisors[] = { 1, 2, 4, 5, 6, 8, 16, 32 };