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Message-Id: <1464634684-1248135-9-git-send-email-arnd@arndb.de>
Date: Mon, 30 May 2016 20:57:56 +0200
From: Arnd Bergmann <arnd@...db.de>
To: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Cc: Arnd Bergmann <arnd@...db.de>, geert@...ux-m68k.org,
gregkh@...uxfoundation.org, deller@....de,
benh@...nel.crashing.org, mpe@...erman.id.au, dalias@...c.org,
dhowells@...hat.com, linux-alpha@...r.kernel.org,
a.zummo@...ertech.it, linux-kernel@...r.kernel.org,
linux-parisc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
linux-sh@...r.kernel.org, linux-m68k@...ts.linux-m68k.org,
rtc-linux@...glegroups.com, linux-arch@...r.kernel.org
Subject: [PATCH v4 08/16] char/genrtc: remove parisc support
This architecture selects RTC_CLASS unconditionally, so the GEN_RTC
has not worked here for a long time.
Now we can remove both the asm/rtc.h header and the Kconfig dependency
for CONFIG_GEN_RTC.
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
arch/parisc/include/asm/rtc.h | 131 ------------------------------------------
drivers/char/Kconfig | 2 +-
2 files changed, 1 insertion(+), 132 deletions(-)
delete mode 100644 arch/parisc/include/asm/rtc.h
diff --git a/arch/parisc/include/asm/rtc.h b/arch/parisc/include/asm/rtc.h
deleted file mode 100644
index 099d641a42c2..000000000000
--- a/arch/parisc/include/asm/rtc.h
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * include/asm-parisc/rtc.h
- *
- * Copyright 2002 Randolph CHung <tausq@...ian.org>
- *
- * Based on: include/asm-ppc/rtc.h and the genrtc driver in the
- * 2.4 parisc linux tree
- */
-
-#ifndef __ASM_RTC_H__
-#define __ASM_RTC_H__
-
-#ifdef __KERNEL__
-
-#include <linux/rtc.h>
-
-#include <asm/pdc.h>
-
-#define SECS_PER_HOUR (60 * 60)
-#define SECS_PER_DAY (SECS_PER_HOUR * 24)
-
-
-#define RTC_PIE 0x40 /* periodic interrupt enable */
-#define RTC_AIE 0x20 /* alarm interrupt enable */
-#define RTC_UIE 0x10 /* update-finished interrupt enable */
-
-#define RTC_BATT_BAD 0x100 /* battery bad */
-
-/* some dummy definitions */
-#define RTC_SQWE 0x08 /* enable square-wave output */
-#define RTC_DM_BINARY 0x04 /* all time/date values are BCD if clear */
-#define RTC_24H 0x02 /* 24 hour mode - else hours bit 7 means pm */
-#define RTC_DST_EN 0x01 /* auto switch DST - works f. USA only */
-
-# define __isleap(year) \
- ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0))
-
-/* How many days come before each month (0-12). */
-static const unsigned short int __mon_yday[2][13] =
-{
- /* Normal years. */
- { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
- /* Leap years. */
- { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
-};
-
-static inline unsigned int get_rtc_time(struct rtc_time *wtime)
-{
- struct pdc_tod tod_data;
- long int days, rem, y;
- const unsigned short int *ip;
-
- memset(wtime, 0, sizeof(*wtime));
- if (pdc_tod_read(&tod_data) < 0)
- return RTC_24H | RTC_BATT_BAD;
-
- // most of the remainder of this function is:
-// Copyright (C) 1991, 1993, 1997, 1998 Free Software Foundation, Inc.
-// This was originally a part of the GNU C Library.
-// It is distributed under the GPL, and was swiped from offtime.c
-
-
- days = tod_data.tod_sec / SECS_PER_DAY;
- rem = tod_data.tod_sec % SECS_PER_DAY;
-
- wtime->tm_hour = rem / SECS_PER_HOUR;
- rem %= SECS_PER_HOUR;
- wtime->tm_min = rem / 60;
- wtime->tm_sec = rem % 60;
-
- y = 1970;
-
-#define DIV(a, b) ((a) / (b) - ((a) % (b) < 0))
-#define LEAPS_THRU_END_OF(y) (DIV (y, 4) - DIV (y, 100) + DIV (y, 400))
-
- while (days < 0 || days >= (__isleap (y) ? 366 : 365))
- {
- /* Guess a corrected year, assuming 365 days per year. */
- long int yg = y + days / 365 - (days % 365 < 0);
-
- /* Adjust DAYS and Y to match the guessed year. */
- days -= ((yg - y) * 365
- + LEAPS_THRU_END_OF (yg - 1)
- - LEAPS_THRU_END_OF (y - 1));
- y = yg;
- }
- wtime->tm_year = y - 1900;
-
- ip = __mon_yday[__isleap(y)];
- for (y = 11; days < (long int) ip[y]; --y)
- continue;
- days -= ip[y];
- wtime->tm_mon = y;
- wtime->tm_mday = days + 1;
-
- return RTC_24H;
-}
-
-static int set_rtc_time(struct rtc_time *wtime)
-{
- u_int32_t secs;
-
- secs = mktime(wtime->tm_year + 1900, wtime->tm_mon + 1, wtime->tm_mday,
- wtime->tm_hour, wtime->tm_min, wtime->tm_sec);
-
- if(pdc_tod_set(secs, 0) < 0)
- return -1;
- else
- return 0;
-
-}
-
-static inline unsigned int get_rtc_ss(void)
-{
- struct rtc_time h;
-
- get_rtc_time(&h);
- return h.tm_sec;
-}
-
-static inline int get_rtc_pll(struct rtc_pll_info *pll)
-{
- return -EINVAL;
-}
-static inline int set_rtc_pll(struct rtc_pll_info *pll)
-{
- return -EINVAL;
-}
-
-#endif /* __KERNEL__ */
-#endif /* __ASM_RTC_H__ */
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 1d9e3063373b..074bc394e31b 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -328,7 +328,7 @@ config JS_RTC
config GEN_RTC
tristate "Generic /dev/rtc emulation"
depends on RTC!=y
- depends on M68K || PARISC || PPC
+ depends on M68K || PPC
---help---
If you say Y here and create a character special file /dev/rtc with
major number 10 and minor number 135 using mknod ("man mknod"), you
--
2.7.0
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