diff options
| author | David Brownell <david-b@pacbell.net> | 2007-05-08 00:33:30 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 11:15:18 -0700 |
| commit | ab6a2d70d18edc7a716ef3127b9e13382faec98c (patch) | |
| tree | 6de624dfcbd0181e54e21f1730d2a52ae9822c47 /drivers/rtc/rtc-sysfs.c | |
| parent | 5726fb2012f0d96153113ddb7f988a0daea587ce (diff) | |
| download | linux-ab6a2d70d18edc7a716ef3127b9e13382faec98c.tar.bz2 | |
rtc: rtc interfaces don't use class_device
This patch removes class_device from the programming interface that the RTC
framework exposes to the rest of the kernel. Now an rtc_device is passed,
which is more type-safe and streamlines all the relevant code.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-By: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc/rtc-sysfs.c')
| -rw-r--r-- | drivers/rtc/rtc-sysfs.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/rtc/rtc-sysfs.c b/drivers/rtc/rtc-sysfs.c index 899ab8c514fa..97444b45cc26 100644 --- a/drivers/rtc/rtc-sysfs.c +++ b/drivers/rtc/rtc-sysfs.c @@ -12,6 +12,9 @@ #include <linux/module.h> #include <linux/rtc.h> +#include "rtc-core.h" + + /* device attributes */ static ssize_t rtc_sysfs_show_name(struct class_device *dev, char *buf) @@ -25,7 +28,7 @@ static ssize_t rtc_sysfs_show_date(struct class_device *dev, char *buf) ssize_t retval; struct rtc_time tm; - retval = rtc_read_time(dev, &tm); + retval = rtc_read_time(to_rtc_device(dev), &tm); if (retval == 0) { retval = sprintf(buf, "%04d-%02d-%02d\n", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday); @@ -40,7 +43,7 @@ static ssize_t rtc_sysfs_show_time(struct class_device *dev, char *buf) ssize_t retval; struct rtc_time tm; - retval = rtc_read_time(dev, &tm); + retval = rtc_read_time(to_rtc_device(dev), &tm); if (retval == 0) { retval = sprintf(buf, "%02d:%02d:%02d\n", tm.tm_hour, tm.tm_min, tm.tm_sec); @@ -55,7 +58,7 @@ static ssize_t rtc_sysfs_show_since_epoch(struct class_device *dev, char *buf) ssize_t retval; struct rtc_time tm; - retval = rtc_read_time(dev, &tm); + retval = rtc_read_time(to_rtc_device(dev), &tm); if (retval == 0) { unsigned long time; rtc_tm_to_time(&tm, &time); @@ -94,7 +97,7 @@ rtc_sysfs_show_wakealarm(struct class_device *dev, char *buf) * REVISIT maybe we should require RTC implementations to * disable the RTC alarm after it triggers, for uniformity. */ - retval = rtc_read_alarm(dev, &alm); + retval = rtc_read_alarm(to_rtc_device(dev), &alm); if (retval == 0 && alm.enabled) { rtc_tm_to_time(&alm.time, &alarm); retval = sprintf(buf, "%lu\n", alarm); @@ -109,11 +112,12 @@ rtc_sysfs_set_wakealarm(struct class_device *dev, const char *buf, size_t n) ssize_t retval; unsigned long now, alarm; struct rtc_wkalrm alm; + struct rtc_device *rtc = to_rtc_device(dev); /* Only request alarms that trigger in the future. Disable them * by writing another time, e.g. 0 meaning Jan 1 1970 UTC. */ - retval = rtc_read_time(dev, &alm.time); + retval = rtc_read_time(rtc, &alm.time); if (retval < 0) return retval; rtc_tm_to_time(&alm.time, &now); @@ -124,7 +128,7 @@ rtc_sysfs_set_wakealarm(struct class_device *dev, const char *buf, size_t n) * entirely prevent that here, without even the minimal * locking from the /dev/rtcN api. */ - retval = rtc_read_alarm(dev, &alm); + retval = rtc_read_alarm(rtc, &alm); if (retval < 0) return retval; if (alm.enabled) @@ -141,7 +145,7 @@ rtc_sysfs_set_wakealarm(struct class_device *dev, const char *buf, size_t n) } rtc_time_to_tm(alarm, &alm.time); - retval = rtc_set_alarm(dev, &alm); + retval = rtc_set_alarm(rtc, &alm); return (retval < 0) ? retval : n; } static const CLASS_DEVICE_ATTR(wakealarm, S_IRUGO | S_IWUSR, |