slub statistics: Fix check for DEACTIVATE_REMOTE_FREES

[linux-2.6-omap-h63xx.git] / drivers / rtc / rtc-s3c.c

diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 2c7de79c83b9baa352769e7626bc06b27c8abb60..86766f1f24965f07c7b2efce8a8d793e1e06445d 100644 (file)
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -20,6 +20,7 @@
 #include <linux/rtc.h>
 #include <linux/bcd.h>
 #include <linux/clk.h>
+#include <linux/log2.h>
 
 #include <asm/hardware.h>
 #include <asm/uaccess.h>
@@ -29,7 +30,7 @@
 
 #include <asm/mach/time.h>
 
-#include <asm/arch/regs-rtc.h>
+#include <asm/plat-s3c/regs-rtc.h>
 
 /* I have yet to find an S3C implementation with more than one
  * of these rtc blocks in */
@@ -46,19 +47,19 @@ static unsigned int tick_count;
 
 /* IRQ Handlers */
 
-static irqreturn_t s3c_rtc_alarmirq(int irq, void *id, struct pt_regs *r)
+static irqreturn_t s3c_rtc_alarmirq(int irq, void *id)
 {
        struct rtc_device *rdev = id;
 
-       rtc_update_irq(&rdev->class_dev, 1, RTC_AF | RTC_IRQF);
+       rtc_update_irq(rdev, 1, RTC_AF | RTC_IRQF);
        return IRQ_HANDLED;
 }
 
-static irqreturn_t s3c_rtc_tickirq(int irq, void *id, struct pt_regs *r)
+static irqreturn_t s3c_rtc_tickirq(int irq, void *id)
 {
        struct rtc_device *rdev = id;
 
-       rtc_update_irq(&rdev->class_dev, tick_count++, RTC_PF | RTC_IRQF);
+       rtc_update_irq(rdev, tick_count++, RTC_PF | RTC_IRQF);
        return IRQ_HANDLED;
 }
 
@@ -191,6 +192,8 @@ static int s3c_rtc_getalarm(struct device *dev, struct rtc_wkalrm *alrm)
 
        alm_en = readb(base + S3C2410_RTCALM);
 
+       alrm->enabled = (alm_en & S3C2410_RTCALM_ALMEN) ? 1 : 0;
+
        pr_debug("read alarm %02x %02x.%02x.%02x %02x/%02x/%02x\n",
                 alm_en,
                 alm_tm->tm_year, alm_tm->tm_mon, alm_tm->tm_mday,
@@ -307,9 +310,7 @@ static int s3c_rtc_ioctl(struct device *dev,
                break;
 
        case RTC_IRQP_SET:
-               /* check for power of 2 */
-
-               if ((arg & (arg-1)) != 0 || arg < 1) {
+               if (!is_power_of_2(arg)) {
                        ret = -EINVAL;
                        goto exit;
                }
@@ -331,12 +332,8 @@ static int s3c_rtc_ioctl(struct device *dev,
 
 static int s3c_rtc_proc(struct device *dev, struct seq_file *seq)
 {
-       unsigned int rtcalm = readb(s3c_rtc_base + S3C2410_RTCALM);
        unsigned int ticnt = readb(s3c_rtc_base + S3C2410_TICNT);
 
-       seq_printf(seq, "alarm_IRQ\t: %s\n",
-                  (rtcalm & S3C2410_RTCALM_ALMEN) ? "yes" : "no" );
-
        seq_printf(seq, "periodic_IRQ\t: %s\n",
                     (ticnt & S3C2410_TICNT_ENABLE) ? "yes" : "no" );
 
@@ -352,7 +349,7 @@ static int s3c_rtc_open(struct device *dev)
        int ret;
 
        ret = request_irq(s3c_rtc_alarmno, s3c_rtc_alarmirq,
-                         SA_INTERRUPT,  "s3c2410-rtc alarm", rtc_dev);
+                         IRQF_DISABLED,  "s3c2410-rtc alarm", rtc_dev);
 
        if (ret) {
                dev_err(dev, "IRQ%d error %d\n", s3c_rtc_alarmno, ret);
@@ -360,7 +357,7 @@ static int s3c_rtc_open(struct device *dev)
        }
 
        ret = request_irq(s3c_rtc_tickno, s3c_rtc_tickirq,
-                         SA_INTERRUPT,  "s3c2410-rtc tick", rtc_dev);
+                         IRQF_DISABLED,  "s3c2410-rtc tick", rtc_dev);
 
        if (ret) {
                dev_err(dev, "IRQ%d error %d\n", s3c_rtc_tickno, ret);
@@ -386,7 +383,7 @@ static void s3c_rtc_release(struct device *dev)
        free_irq(s3c_rtc_tickno, rtc_dev);
 }
 
-static struct rtc_class_ops s3c_rtcops = {
+static const struct rtc_class_ops s3c_rtcops = {
        .open           = s3c_rtc_open,
        .release        = s3c_rtc_release,
        .ioctl          = s3c_rtc_ioctl,
@@ -544,43 +541,19 @@ static int s3c_rtc_probe(struct platform_device *pdev)
 
 /* RTC Power management control */
 
-static struct timespec s3c_rtc_delta;
-
 static int ticnt_save;
 
 static int s3c_rtc_suspend(struct platform_device *pdev, pm_message_t state)
 {
-       struct rtc_time tm;
-       struct timespec time;
-
-       time.tv_nsec = 0;
-
        /* save TICNT for anyone using periodic interrupts */
-
        ticnt_save = readb(s3c_rtc_base + S3C2410_TICNT);
-
-       /* calculate time delta for suspend */
-
-       s3c_rtc_gettime(&pdev->dev, &tm);
-       rtc_tm_to_time(&tm, &time.tv_sec);
-       save_time_delta(&s3c_rtc_delta, &time);
        s3c_rtc_enable(pdev, 0);
-
        return 0;
 }
 
 static int s3c_rtc_resume(struct platform_device *pdev)
 {
-       struct rtc_time tm;
-       struct timespec time;
-
-       time.tv_nsec = 0;
-
        s3c_rtc_enable(pdev, 1);
-       s3c_rtc_gettime(&pdev->dev, &tm);
-       rtc_tm_to_time(&tm, &time.tv_sec);
-       restore_time_delta(&s3c_rtc_delta, &time);
-
        writeb(ticnt_save, s3c_rtc_base + S3C2410_TICNT);
        return 0;
 }