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ARM: OMAP2: Keep both APLLs active during bootup

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Enabling and disabling the 54 MHz and 96 MHz APLLs can happen
unnecessarily often during bootup. Make sure they're kept
enabled during init.

Signed-off-by: Juha Yrjola <juha.yrjola@solidboot.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Juha Yrjola 2006-09-25 12:41:49 +03:00 committed by Tony Lindgren
parent dee45648a5
commit dc0d794e48
1 changed files with 15 additions and 0 deletions
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15
arch/arm/mach-omap2/clock.c
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@ -1117,6 +1117,12 @@ int __init omap2_clk_init(void)
*/ */
clk_enable(&sync_32k_ick); clk_enable(&sync_32k_ick);
clk_enable(&omapctrl_ick); clk_enable(&omapctrl_ick);
/* Force the APLLs active during bootup to avoid disabling and
* enabling them unnecessarily. */
clk_enable(&apll96_ck);
clk_enable(&apll54_ck);
if (cpu_is_omap2430()) if (cpu_is_omap2430())
clk_enable(&sdrc_ick); clk_enable(&sdrc_ick);
@ -1126,3 +1132,12 @@ int __init omap2_clk_init(void)
return 0; return 0;
} }
static int __init omap2_disable_aplls(void)
{
clk_disable(&apll96_ck);
clk_disable(&apll54_ck);
return 0;
}
late_initcall(omap2_disable_aplls);