Commit a746f50d authored by Jiaxun Yang's avatar Jiaxun Yang Committed by Thomas Bogendoerfer
Browse files

MIPS: Loongson64: Remove dead RTC code 



RTC is now enabled by devicetree. So platform code is
no longer needed.

Signed-off-by: default avatarJiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
parent 7a6659a5

arch/mips/include/asm/mach-loongson64/mc146818rtc.h

deleted100644 → 0
+0 −36
Original line number Diff line number Diff line 
/*

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 *

 * Copyright (C) 1998, 2001, 03, 07 by Ralf Baechle (ralf@linux-mips.org)

 *

 * RTC routines for PC style attached Dallas chip.

 */

#ifndef __ASM_MACH_LOONGSON64_MC146818RTC_H

#define __ASM_MACH_LOONGSON64_MC146818RTC_H



#include <linux/io.h>



#define RTC_PORT(x)	(0x70 + (x))

#define RTC_IRQ		8



static inline unsigned char CMOS_READ(unsigned long addr)

{

	outb_p(addr, RTC_PORT(0));

	return inb_p(RTC_PORT(1));

}



static inline void CMOS_WRITE(unsigned char data, unsigned long addr)

{

	outb_p(addr, RTC_PORT(0));

	outb_p(data, RTC_PORT(1));

}



#define RTC_ALWAYS_BCD	0



#ifndef mc146818_decode_year

#define mc146818_decode_year(year) ((year) < 70 ? (year) + 2000 : (year) + 1970)

#endif



#endif /* __ASM_MACH_LOONGSON64_MC146818RTC_H */

arch/mips/loongson64/Kconfig

+0 −4
Original line number Diff line number Diff line
@@ -14,8 +14,4 @@ config RS780_HPET 
	  If unsure, say Yes.





config LOONGSON_MC146818

	bool

	default n



endif # MACH_LOONGSON64

arch/mips/loongson64/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -9,5 +9,4 @@ obj-$(CONFIG_SMP) += smp.o 
obj-$(CONFIG_NUMA)	+= numa.o

obj-$(CONFIG_RS780_HPET) += hpet.o

obj-$(CONFIG_PCI) += pci.o

obj-$(CONFIG_LOONGSON_MC146818) += rtc.o

obj-$(CONFIG_SUSPEND) += pm.o

arch/mips/loongson64/rtc.c

deleted100644 → 0
+0 −39
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-or-later

/*

 *  Lemote Fuloong platform support

 *

 *  Copyright(c) 2010 Arnaud Patard <apatard@mandriva.com>

 */



#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/platform_device.h>

#include <linux/mc146818rtc.h>



static struct resource loongson_rtc_resources[] = {

	{

		.start	= RTC_PORT(0),

		.end	= RTC_PORT(1),

		.flags	= IORESOURCE_IO,

	}, {

		.start	= RTC_IRQ,

		.end	= RTC_IRQ,

		.flags	= IORESOURCE_IRQ,

	}

};



static struct platform_device loongson_rtc_device = {

	.name		= "rtc_cmos",

	.id		= -1,

	.resource	= loongson_rtc_resources,

	.num_resources	= ARRAY_SIZE(loongson_rtc_resources),

};





static int __init loongson_rtc_platform_init(void)

{

	platform_device_register(&loongson_rtc_device);

	return 0;

}



device_initcall(loongson_rtc_platform_init);

arch/mips/loongson64/time.c

+1 −7
Original line number Diff line number Diff line
@@ -6,7 +6,7 @@ 
 * Copyright (C) 2009 Lemote Inc.

 * Author: Wu Zhangjin, wuzhangjin@gmail.com

 */

#include <asm/mc146818-time.h>



#include <asm/time.h>

#include <asm/hpet.h>
@@ -21,9 +21,3 @@ void __init plat_time_init(void) 
	setup_hpet_timer();

#endif

}
 


void read_persistent_clock64(struct timespec64 *ts)

{

	ts->tv_sec = mc146818_get_cmos_time();

	ts->tv_nsec = 0;

}