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Commit 6560ee07 authored by Janusz Krzysztofik's avatar Janusz Krzysztofik Committed by Tony Lindgren
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ARM: OMAP1: recalculate loops per jiffy after dpll1 reprogram 



Otherwise timing is inaccurate, resulting in devices which depend on it,
like omap-keypad, broken.

Tested on Amstrad Delta.

Signed-off-by: default avatarJanusz Krzysztofik <jkrzyszt@tis.icnet.pl>
[tony@atomide.com: removed comment referencing a development branch]
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent c2cb2111

arch/arm/mach-omap1/clock_data.c

+6 −1
Original line number Diff line number Diff line
@@ -16,6 +16,8 @@ 


#include <linux/kernel.h>

#include <linux/clk.h>

#include <linux/cpufreq.h>

#include <linux/delay.h>

#include <linux/io.h>



#include <asm/mach-types.h>  /* for machine_is_* */
@@ -927,7 +929,9 @@ int __init omap1_clk_init(void) 


void __init omap1_clk_late_init(void)

{

	if (ck_dpll1.rate >= OMAP1_DPLL1_SANE_VALUE)

	unsigned long rate = ck_dpll1.rate;



	if (rate >= OMAP1_DPLL1_SANE_VALUE)

		return;



	/* System booting at unusable rate, force reprogramming of DPLL1 */
@@ -942,4 +946,5 @@ void __init omap1_clk_late_init(void) 
	}

	propagate_rate(&ck_dpll1);

	omap1_show_rates();

	loops_per_jiffy = cpufreq_scale(loops_per_jiffy, rate, ck_dpll1.rate);

}