From: Alessandro Zummo <a.zummo@towertech.it>
To: linux-kernel@vger.kernel.org
Subject: [PATCH 02/11] RTC subsystem, ARM cleanup
Date: Mon, 20 Feb 2006 00:22:13 +0100 [thread overview]
Message-ID: <20060219232211.761694000@towertech.it> (raw)
In-Reply-To: 20060219232211.368740000@towertech.it
[-- Attachment #1: rtc-arm-cleanup.patch --]
[-- Type: text/plain, Size: 7006 bytes --]
This patch removes from the ARM subsytem some of the
rtc-related functions that have been included in
the RTC subsystem.
ARM Kconfig is modified to include the RTC subsystem.
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
--
arch/arm/Kconfig | 2
arch/arm/common/rtctime.c | 107 +++++-----------------------------------------
drivers/char/Kconfig | 2
include/asm-arm/rtc.h | 3 -
4 files changed, 15 insertions(+), 99 deletions(-)
--- linux-rtc.orig/arch/arm/Kconfig 2006-02-13 19:34:30.000000000 +0100
+++ linux-rtc/arch/arm/Kconfig 2006-02-13 19:35:30.000000000 +0100
@@ -817,6 +817,8 @@ source "drivers/usb/Kconfig"
source "drivers/mmc/Kconfig"
+source "drivers/rtc/Kconfig"
+
endmenu
source "fs/Kconfig"
--- linux-rtc.orig/arch/arm/common/rtctime.c 2006-02-13 19:34:30.000000000 +0100
+++ linux-rtc/arch/arm/common/rtctime.c 2006-02-13 19:35:30.000000000 +0100
@@ -42,89 +42,6 @@ static struct rtc_ops *rtc_ops;
#define rtc_epoch 1900UL
-static const unsigned char days_in_month[] = {
- 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
-};
-
-#define LEAPS_THRU_END_OF(y) ((y)/4 - (y)/100 + (y)/400)
-#define LEAP_YEAR(year) ((!(year % 4) && (year % 100)) || !(year % 400))
-
-static int month_days(unsigned int month, unsigned int year)
-{
- return days_in_month[month] + (LEAP_YEAR(year) && month == 1);
-}
-
-/*
- * Convert seconds since 01-01-1970 00:00:00 to Gregorian date.
- */
-void rtc_time_to_tm(unsigned long time, struct rtc_time *tm)
-{
- int days, month, year;
-
- days = time / 86400;
- time -= days * 86400;
-
- tm->tm_wday = (days + 4) % 7;
-
- year = 1970 + days / 365;
- days -= (year - 1970) * 365
- + LEAPS_THRU_END_OF(year - 1)
- - LEAPS_THRU_END_OF(1970 - 1);
- if (days < 0) {
- year -= 1;
- days += 365 + LEAP_YEAR(year);
- }
- tm->tm_year = year - 1900;
- tm->tm_yday = days + 1;
-
- for (month = 0; month < 11; month++) {
- int newdays;
-
- newdays = days - month_days(month, year);
- if (newdays < 0)
- break;
- days = newdays;
- }
- tm->tm_mon = month;
- tm->tm_mday = days + 1;
-
- tm->tm_hour = time / 3600;
- time -= tm->tm_hour * 3600;
- tm->tm_min = time / 60;
- tm->tm_sec = time - tm->tm_min * 60;
-}
-EXPORT_SYMBOL(rtc_time_to_tm);
-
-/*
- * Does the rtc_time represent a valid date/time?
- */
-int rtc_valid_tm(struct rtc_time *tm)
-{
- if (tm->tm_year < 70 ||
- tm->tm_mon >= 12 ||
- tm->tm_mday < 1 ||
- tm->tm_mday > month_days(tm->tm_mon, tm->tm_year + 1900) ||
- tm->tm_hour >= 24 ||
- tm->tm_min >= 60 ||
- tm->tm_sec >= 60)
- return -EINVAL;
-
- return 0;
-}
-EXPORT_SYMBOL(rtc_valid_tm);
-
-/*
- * Convert Gregorian date to seconds since 01-01-1970 00:00:00.
- */
-int rtc_tm_to_time(struct rtc_time *tm, unsigned long *time)
-{
- *time = mktime(tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
- tm->tm_hour, tm->tm_min, tm->tm_sec);
-
- return 0;
-}
-EXPORT_SYMBOL(rtc_tm_to_time);
-
/*
* Calculate the next alarm time given the requested alarm time mask
* and the current time.
@@ -143,13 +60,13 @@ void rtc_next_alarm_time(struct rtc_time
next->tm_sec = alrm->tm_sec;
}
-static inline int rtc_read_time(struct rtc_ops *ops, struct rtc_time *tm)
+static inline int rtc_arm_read_time(struct rtc_ops *ops, struct rtc_time *tm)
{
memset(tm, 0, sizeof(struct rtc_time));
return ops->read_time(tm);
}
-static inline int rtc_set_time(struct rtc_ops *ops, struct rtc_time *tm)
+static inline int rtc_arm_set_time(struct rtc_ops *ops, struct rtc_time *tm)
{
int ret;
@@ -160,7 +77,7 @@ static inline int rtc_set_time(struct rt
return ret;
}
-static inline int rtc_read_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm)
+static inline int rtc_arm_read_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm)
{
int ret = -EINVAL;
if (ops->read_alarm) {
@@ -170,7 +87,7 @@ static inline int rtc_read_alarm(struct
return ret;
}
-static inline int rtc_set_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm)
+static inline int rtc_arm_set_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm)
{
int ret = -EINVAL;
if (ops->set_alarm)
@@ -258,7 +175,7 @@ static int rtc_ioctl(struct inode *inode
switch (cmd) {
case RTC_ALM_READ:
- ret = rtc_read_alarm(ops, &alrm);
+ ret = rtc_arm_read_alarm(ops, &alrm);
if (ret)
break;
ret = copy_to_user(uarg, &alrm.time, sizeof(tm));
@@ -280,11 +197,11 @@ static int rtc_ioctl(struct inode *inode
alrm.time.tm_wday = -1;
alrm.time.tm_yday = -1;
alrm.time.tm_isdst = -1;
- ret = rtc_set_alarm(ops, &alrm);
+ ret = rtc_arm_set_alarm(ops, &alrm);
break;
case RTC_RD_TIME:
- ret = rtc_read_time(ops, &tm);
+ ret = rtc_arm_read_time(ops, &tm);
if (ret)
break;
ret = copy_to_user(uarg, &tm, sizeof(tm));
@@ -302,7 +219,7 @@ static int rtc_ioctl(struct inode *inode
ret = -EFAULT;
break;
}
- ret = rtc_set_time(ops, &tm);
+ ret = rtc_arm_set_time(ops, &tm);
break;
case RTC_EPOCH_SET:
@@ -333,11 +250,11 @@ static int rtc_ioctl(struct inode *inode
ret = -EFAULT;
break;
}
- ret = rtc_set_alarm(ops, &alrm);
+ ret = rtc_arm_set_alarm(ops, &alrm);
break;
case RTC_WKALM_RD:
- ret = rtc_read_alarm(ops, &alrm);
+ ret = rtc_arm_read_alarm(ops, &alrm);
if (ret)
break;
ret = copy_to_user(uarg, &alrm, sizeof(alrm));
@@ -427,7 +344,7 @@ static int rtc_read_proc(char *page, cha
struct rtc_time tm;
char *p = page;
- if (rtc_read_time(ops, &tm) == 0) {
+ if (rtc_arm_read_time(ops, &tm) == 0) {
p += sprintf(p,
"rtc_time\t: %02d:%02d:%02d\n"
"rtc_date\t: %04d-%02d-%02d\n"
@@ -437,7 +354,7 @@ static int rtc_read_proc(char *page, cha
rtc_epoch);
}
- if (rtc_read_alarm(ops, &alrm) == 0) {
+ if (rtc_arm_read_alarm(ops, &alrm) == 0) {
p += sprintf(p, "alrm_time\t: ");
if ((unsigned int)alrm.time.tm_hour <= 24)
p += sprintf(p, "%02d:", alrm.time.tm_hour);
--- linux-rtc.orig/include/asm-arm/rtc.h 2006-01-03 04:21:10.000000000 +0100
+++ linux-rtc/include/asm-arm/rtc.h 2006-02-13 19:35:30.000000000 +0100
@@ -25,9 +25,6 @@ struct rtc_ops {
int (*proc)(char *buf);
};
-void rtc_time_to_tm(unsigned long, struct rtc_time *);
-int rtc_tm_to_time(struct rtc_time *, unsigned long *);
-int rtc_valid_tm(struct rtc_time *);
void rtc_next_alarm_time(struct rtc_time *, struct rtc_time *, struct rtc_time *);
void rtc_update(unsigned long, unsigned long);
int register_rtc(struct rtc_ops *);
--- linux-rtc.orig/drivers/char/Kconfig 2006-02-13 19:34:36.000000000 +0100
+++ linux-rtc/drivers/char/Kconfig 2006-02-13 19:35:30.000000000 +0100
@@ -695,7 +695,7 @@ config NVRAM
config RTC
tristate "Enhanced Real Time Clock Support"
- depends on !PPC32 && !PARISC && !IA64 && !M68K && (!SPARC || PCI) && !FRV
+ depends on !PPC32 && !PARISC && !IA64 && !M68K && (!SPARC || PCI) && !FRV && !ARM
---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
--
next prev parent reply other threads:[~2006-02-19 23:35 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-19 23:22 [PATCH 00/11] RTC subsystem Alessandro Zummo
2006-02-19 23:22 ` [PATCH 01/11] RTC subsystem, class Alessandro Zummo
2006-02-22 22:15 ` Andrew Morton
2006-02-23 1:09 ` Alessandro Zummo
2006-02-23 1:31 ` Andrew Morton
2006-02-19 23:22 ` Alessandro Zummo [this message]
2006-02-19 23:22 ` [PATCH 03/11] RTC subsystem, I2C cleanup Alessandro Zummo
2006-02-19 23:22 ` [PATCH 04/11] RTC subsystem, sysfs interface Alessandro Zummo
2006-02-19 23:22 ` [PATCH 05/11] RTC subsystem, proc interface Alessandro Zummo
2006-02-19 23:22 ` [PATCH 06/11] RTC subsystem, dev interface Alessandro Zummo
2006-02-19 23:22 ` [PATCH 07/11] RTC subsystem, X1205 driver Alessandro Zummo
2006-02-19 23:22 ` [PATCH 08/11] RTC subsystem, test device/driver Alessandro Zummo
2006-02-19 23:22 ` [PATCH 09/11] RTC subsystem, DS1672 driver Alessandro Zummo
2006-02-19 23:22 ` [PATCH 10/11] RTC subsystem, PCF8563 driver Alessandro Zummo
2006-02-19 23:22 ` [PATCH 11/11] RTC subsystem, RS5C372 driver Alessandro Zummo
2006-02-20 0:58 ` [PATCH 00/11] RTC subsystem Andrew Morton
2006-02-20 1:10 ` Alessandro Zummo
-- strict thread matches above, loose matches on Subject: below --
2006-02-13 22:54 Alessandro Zummo
2006-02-13 22:54 ` [PATCH 02/11] RTC subsystem, ARM cleanup Alessandro Zummo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20060219232211.761694000@towertech.it \
--to=a.zummo@towertech.it \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.