From 7d81a5e03ddbb44d05a32cad4a46a23577216497 Mon Sep 17 00:00:00 2001 From: Thomas Bogendoerfer Date: Tue, 14 Oct 2008 17:16:55 +0200 Subject: [PATCH] MIPS: IP22/28: Switch over to RTC class driver This patchset removes some dead code and creates a platform device for the RTC class driver. Signed-off-by: Thomas Bogendoerfer Signed-off-by: Ralf Baechle --- arch/mips/include/asm/mach-ip22/ds1286.h | 18 --------- arch/mips/include/asm/mach-ip28/ds1286.h | 4 -- arch/mips/sgi-ip22/ip22-platform.c | 15 ++++++++ arch/mips/sgi-ip22/ip22-setup.c | 1 - arch/mips/sgi-ip22/ip22-time.c | 64 -------------------------------- include/linux/ds1286.h | 2 - 6 files changed, 15 insertions(+), 89 deletions(-) delete mode 100644 arch/mips/include/asm/mach-ip22/ds1286.h delete mode 100644 arch/mips/include/asm/mach-ip28/ds1286.h diff --git a/arch/mips/include/asm/mach-ip22/ds1286.h b/arch/mips/include/asm/mach-ip22/ds1286.h deleted file mode 100644 index f19f1ea..0000000 --- a/arch/mips/include/asm/mach-ip22/ds1286.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * 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 by Ralf Baechle - * - * RTC routines for PC style attached Dallas chip. - */ -#ifndef __ASM_MACH_IP22_DS1286_H -#define __ASM_MACH_IP22_DS1286_H - -#include - -#define rtc_read(reg) (hpc3c0->rtcregs[(reg)] & 0xff) -#define rtc_write(data, reg) do { hpc3c0->rtcregs[(reg)] = (data); } while(0) - -#endif /* __ASM_MACH_IP22_DS1286_H */ diff --git a/arch/mips/include/asm/mach-ip28/ds1286.h b/arch/mips/include/asm/mach-ip28/ds1286.h deleted file mode 100644 index 471bb9a..0000000 --- a/arch/mips/include/asm/mach-ip28/ds1286.h +++ /dev/null @@ -1,4 +0,0 @@ -#ifndef __ASM_MACH_IP28_DS1286_H -#define __ASM_MACH_IP28_DS1286_H -#include -#endif /* __ASM_MACH_IP28_DS1286_H */ diff --git a/arch/mips/sgi-ip22/ip22-platform.c b/arch/mips/sgi-ip22/ip22-platform.c index 52486c4d..deddbf0 100644 --- a/arch/mips/sgi-ip22/ip22-platform.c +++ b/arch/mips/sgi-ip22/ip22-platform.c @@ -192,3 +192,18 @@ static int __init sgi_button_devinit(void) } device_initcall(sgi_button_devinit); + +static int __init sgi_ds1286_devinit(void) +{ + struct resource res; + + memset(&res, 0, sizeof(res)); + res.start = HPC3_CHIP0_BASE + offsetof(struct hpc3_regs, rtcregs); + res.end = res.start + sizeof(hpc3c0->rtcregs) - 1; + res.flags = IORESOURCE_MEM; + + return IS_ERR(platform_device_register_simple("rtc-ds1286", -1, + &res, 1)); +} + +device_initcall(sgi_ds1286_devinit); diff --git a/arch/mips/sgi-ip22/ip22-setup.c b/arch/mips/sgi-ip22/ip22-setup.c index 896a1ef..b9a9313 100644 --- a/arch/mips/sgi-ip22/ip22-setup.c +++ b/arch/mips/sgi-ip22/ip22-setup.c @@ -4,7 +4,6 @@ * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) * Copyright (C) 1997, 1998 Ralf Baechle (ralf@gnu.org) */ -#include #include #include #include diff --git a/arch/mips/sgi-ip22/ip22-time.c b/arch/mips/sgi-ip22/ip22-time.c index 10e5054..3dcb27e 100644 --- a/arch/mips/sgi-ip22/ip22-time.c +++ b/arch/mips/sgi-ip22/ip22-time.c @@ -10,7 +10,6 @@ * Copyright (C) 2003, 06 Ralf Baechle (ralf@linux-mips.org) */ #include -#include #include #include #include @@ -29,69 +28,6 @@ #include #include -/* - * Note that mktime uses month from 1 to 12 while rtc_time_to_tm - * uses 0 to 11. - */ -unsigned long read_persistent_clock(void) -{ - unsigned int yrs, mon, day, hrs, min, sec; - unsigned int save_control; - unsigned long flags; - - spin_lock_irqsave(&rtc_lock, flags); - save_control = hpc3c0->rtcregs[RTC_CMD] & 0xff; - hpc3c0->rtcregs[RTC_CMD] = save_control | RTC_TE; - - sec = BCD2BIN(hpc3c0->rtcregs[RTC_SECONDS] & 0xff); - min = BCD2BIN(hpc3c0->rtcregs[RTC_MINUTES] & 0xff); - hrs = BCD2BIN(hpc3c0->rtcregs[RTC_HOURS] & 0x3f); - day = BCD2BIN(hpc3c0->rtcregs[RTC_DATE] & 0xff); - mon = BCD2BIN(hpc3c0->rtcregs[RTC_MONTH] & 0x1f); - yrs = BCD2BIN(hpc3c0->rtcregs[RTC_YEAR] & 0xff); - - hpc3c0->rtcregs[RTC_CMD] = save_control; - spin_unlock_irqrestore(&rtc_lock, flags); - - if (yrs < 45) - yrs += 30; - if ((yrs += 40) < 70) - yrs += 100; - - return mktime(yrs + 1900, mon, day, hrs, min, sec); -} - -int rtc_mips_set_time(unsigned long tim) -{ - struct rtc_time tm; - unsigned int save_control; - unsigned long flags; - - rtc_time_to_tm(tim, &tm); - - tm.tm_mon += 1; /* tm_mon starts at zero */ - tm.tm_year -= 40; - if (tm.tm_year >= 100) - tm.tm_year -= 100; - - spin_lock_irqsave(&rtc_lock, flags); - save_control = hpc3c0->rtcregs[RTC_CMD] & 0xff; - hpc3c0->rtcregs[RTC_CMD] = save_control | RTC_TE; - - hpc3c0->rtcregs[RTC_YEAR] = BIN2BCD(tm.tm_year); - hpc3c0->rtcregs[RTC_MONTH] = BIN2BCD(tm.tm_mon); - hpc3c0->rtcregs[RTC_DATE] = BIN2BCD(tm.tm_mday); - hpc3c0->rtcregs[RTC_HOURS] = BIN2BCD(tm.tm_hour); - hpc3c0->rtcregs[RTC_MINUTES] = BIN2BCD(tm.tm_min); - hpc3c0->rtcregs[RTC_SECONDS] = BIN2BCD(tm.tm_sec); - hpc3c0->rtcregs[RTC_HUNDREDTH_SECOND] = 0; - - hpc3c0->rtcregs[RTC_CMD] = save_control; - spin_unlock_irqrestore(&rtc_lock, flags); - - return 0; -} - static unsigned long dosample(void) { u32 ct0, ct1; diff --git a/include/linux/ds1286.h b/include/linux/ds1286.h index d898986..45ea0aa 100644 --- a/include/linux/ds1286.h +++ b/include/linux/ds1286.h @@ -8,8 +8,6 @@ #ifndef __LINUX_DS1286_H #define __LINUX_DS1286_H -#include - /********************************************************************** * register summary **********************************************************************/ -- 2.7.4