android_kernel_xiaomi_sm8350/arch/mips/rb532/time.c
Adrian Bunk 8b32d6d00c [MIPS] RB532: Flags are unsigned long
A recent generic change now catches such bugs:

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...
  CC      arch/mips/rb532/time.o
cc1: warnings being treated as errors
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/mips/rb532/time.c: In function 'plat_time_init':
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/mips/rb532/time.c:55: error: comparison of distinct pointer types lacks a cast
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/mips/rb532/time.c:66: error: comparison of distinct pointer types lacks a cast
make[2]: *** [arch/mips/rb532/time.o] Error 1

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Reported-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-07-30 21:54:34 +01:00

68 lines
2.0 KiB
C

/*
* Carsten Langgaard, carstenl@mips.com
* Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Setting up the clock on the MIPS boards.
*/
#include <linux/init.h>
#include <linux/kernel_stat.h>
#include <linux/ptrace.h>
#include <linux/sched.h>
#include <linux/spinlock.h>
#include <linux/mc146818rtc.h>
#include <linux/irq.h>
#include <linux/timex.h>
#include <asm/mipsregs.h>
#include <asm/debug.h>
#include <asm/time.h>
#include <asm/mach-rc32434/rc32434.h>
extern unsigned int idt_cpu_freq;
/*
* Figure out the r4k offset, the amount to increment the compare
* register for each time tick. There is no RTC available.
*
* The RC32434 counts at half the CPU *core* speed.
*/
static unsigned long __init cal_r4koff(void)
{
mips_hpt_frequency = idt_cpu_freq * IDT_CLOCK_MULT / 2;
return mips_hpt_frequency / HZ;
}
void __init plat_time_init(void)
{
unsigned int est_freq;
unsigned long flags, r4k_offset;
local_irq_save(flags);
printk(KERN_INFO "calculating r4koff... ");
r4k_offset = cal_r4koff();
printk("%08lx(%d)\n", r4k_offset, (int) r4k_offset);
est_freq = 2 * r4k_offset * HZ;
est_freq += 5000; /* round */
est_freq -= est_freq % 10000;
printk(KERN_INFO "CPU frequency %d.%02d MHz\n", est_freq / 1000000,
(est_freq % 1000000) * 100 / 1000000);
local_irq_restore(flags);
}