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Commit dc0d794e authored by Juha Yrjola's avatar Juha Yrjola Committed by Tony Lindgren
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ARM: OMAP2: Keep both APLLs active during bootup 



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: default avatarJuha Yrjola <juha.yrjola@solidboot.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent dee45648

arch/arm/mach-omap2/clock.c

+15 −0
Original line number Diff line number Diff line
@@ -1117,6 +1117,12 @@ int __init omap2_clk_init(void) 
	 */

	clk_enable(&sync_32k_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())

		clk_enable(&sdrc_ick);
@@ -1126,3 +1132,12 @@ int __init omap2_clk_init(void) 


	return 0;

}



static int __init omap2_disable_aplls(void)

{

	clk_disable(&apll96_ck);

	clk_disable(&apll54_ck);



	return 0;

}

late_initcall(omap2_disable_aplls);