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OMAP2+: clock: comment that osc_ck/osc_sys_ck should use clockfw autoidle control 

Place some comments in the OMAP oscillator clock control code to note that
its autoidle mode should eventually be controlled via the new OMAP clockfw
autoidle control interface.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Rajendra Nayak <rnayak@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
This commit is contained in:
Paul Walmsley 2011-02-25 15:39:27 -07:00
parent 92618ff8b0
commit cc1d230cfb
1 changed files with 14 additions and 0 deletions
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14
arch/arm/mach-omap2/clkt2xxx_osc.c
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@ -30,6 +30,13 @@
#include "prm2xxx_3xxx.h"
#include "prm-regbits-24xx.h"
/*
* XXX This does not actually enable the osc_ck, since the osc_ck must
* be running for this function to be called. Instead, this function
* is used to disable an autoidle mode on the osc_ck. The existing
* clk_enable/clk_disable()-based usecounting for osc_ck should be
* replaced with autoidle-based usecounting.
*/
static int omap2_enable_osc_ck(struct clk *clk)
{
u32 pcc;
@ -41,6 +48,13 @@ static int omap2_enable_osc_ck(struct clk *clk)
return 0;
}
/*
* XXX This does not actually disable the osc_ck, since doing so would
* immediately halt the system. Instead, this function is used to
* enable an autoidle mode on the osc_ck. The existing
* clk_enable/clk_disable()-based usecounting for osc_ck should be
* replaced with autoidle-based usecounting.
*/
static void omap2_disable_osc_ck(struct clk *clk)
{
u32 pcc;