Commit 6560ee07 authored by Janusz Krzysztofik's avatar Janusz Krzysztofik Committed by Tony Lindgren

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
......@@ -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);
}
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment