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ARM: OMAP: clock: Define a function to enable clocks at init 

Platform code can use omap2_clk_enable_init_clocks() to enable a
list of clocks that are needed to be enabled at init.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
[paul@pwsan.com: added kerneldoc to non-trivial new function]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
This commit is contained in:
Rajendra Nayak 2012-06-01 14:02:49 +05:30 committed by Paul Walmsley
parent 23fb8ba3a8
commit 8577413c0a
2 changed files with 22 additions and 0 deletions
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21
arch/arm/mach-omap2/clock.c
View File

@ -580,6 +580,27 @@ int omap2_clk_disable_autoidle_all(void)
return 0;
}
/**
* omap2_clk_enable_init_clocks - prepare & enable a list of clocks
* @clk_names: ptr to an array of strings of clock names to enable
* @num_clocks: number of clock names in @clk_names
*
* Prepare and enable a list of clocks, named by @clk_names. No
* return value. XXX Deprecated; only needed until these clocks are
* properly claimed and enabled by the drivers or core code that uses
* them. XXX What code disables & calls clk_put on these clocks?
*/
void omap2_clk_enable_init_clocks(const char **clk_names, u8 num_clocks)
{
struct clk *init_clk;
int i;
for (i = 0; i < num_clocks; i++) {
init_clk = clk_get(NULL, clk_names[i]);
clk_prepare_enable(init_clk);
}
}
const struct clk_hw_omap_ops clkhwops_wait = {
.find_idlest = omap2_clk_dflt_find_idlest,
.find_companion = omap2_clk_dflt_find_companion,

1
arch/arm/mach-omap2/clock.h
View File

@ -538,6 +538,7 @@ void omap2_clk_dflt_find_idlest(struct clk_hw_omap *clk,
void omap2_init_clk_hw_omap_clocks(struct clk *clk);
int omap2_clk_enable_autoidle_all(void);
int omap2_clk_disable_autoidle_all(void);
void omap2_clk_enable_init_clocks(const char **clk_names, u8 num_clocks);
#else
int omap2_dflt_clk_enable(struct clk *clk);
void omap2_dflt_clk_disable(struct clk *clk);