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ARM: shmobile: Remove shmobile_setup_delay()

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All ARM mach-shmobile SoCs and boards now rely on DTS for
CPU Frequency information, so remove the unused function
shmobile_setup_delay(). While at it, make the function
shmobile_setup_delay_hz() static.

Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Magnus Damm 2014-08-20 22:03:12 +09:00 committed by Simon Horman
parent f5720080b5
commit 7dd4cfd7f8
2 changed files with 2 additions and 21 deletions
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2
arch/arm/mach-shmobile/common.h
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@ -2,8 +2,6 @@
#define __ARCH_MACH_COMMON_H
extern void shmobile_earlytimer_init(void);
extern void shmobile_setup_delay(unsigned int max_cpu_core_mhz,
unsigned int mult, unsigned int div);
extern void shmobile_init_delay(void);
struct twd_local_timer;
extern void shmobile_setup_console(void);

21
arch/arm/mach-shmobile/timer.c
View file

@ -23,8 +23,8 @@
#include <linux/delay.h>
#include <linux/of_address.h>
void __init shmobile_setup_delay_hz(unsigned int max_cpu_core_hz,
unsigned int mult, unsigned int div)
static void __init shmobile_setup_delay_hz(unsigned int max_cpu_core_hz,
unsigned int mult, unsigned int div)
{
/* calculate a worst-case loops-per-jiffy value
* based on maximum cpu core hz setting and the
@ -40,23 +40,6 @@ void __init shmobile_setup_delay_hz(unsigned int max_cpu_core_hz,
preset_lpj = max_cpu_core_hz / value;
}
void __init shmobile_setup_delay(unsigned int max_cpu_core_mhz,
unsigned int mult, unsigned int div)
{
/* calculate a worst-case loops-per-jiffy value
* based on maximum cpu core mhz setting and the
* __delay() implementation in arch/arm/lib/delay.S
*
* this will result in a longer delay than expected
* when the cpu core runs on lower frequencies.
*/
unsigned int value = (1000000 * mult) / (HZ * div);
if (!preset_lpj)
preset_lpj = max_cpu_core_mhz * value;
}
void __init shmobile_init_delay(void)
{
struct device_node *np, *cpus;