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path: root/drivers/char/s3c2410-rtc.c
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Diffstat (limited to 'drivers/char/s3c2410-rtc.c')
-rw-r--r--drivers/char/s3c2410-rtc.c65
1 files changed, 32 insertions, 33 deletions
diff --git a/drivers/char/s3c2410-rtc.c b/drivers/char/s3c2410-rtc.c
index ed867db550a..3df7a574267 100644
--- a/drivers/char/s3c2410-rtc.c
+++ b/drivers/char/s3c2410-rtc.c
@@ -20,7 +20,7 @@
#include <linux/fs.h>
#include <linux/string.h>
#include <linux/init.h>
-#include <linux/device.h>
+#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/rtc.h>
#include <linux/bcd.h>
@@ -382,7 +382,7 @@ static struct rtc_ops s3c2410_rtcops = {
.proc = s3c2410_rtc_proc,
};
-static void s3c2410_rtc_enable(struct device *dev, int en)
+static void s3c2410_rtc_enable(struct platform_device *pdev, int en)
{
unsigned int tmp;
@@ -399,21 +399,21 @@ static void s3c2410_rtc_enable(struct device *dev, int en)
/* re-enable the device, and check it is ok */
if ((readb(S3C2410_RTCCON) & S3C2410_RTCCON_RTCEN) == 0){
- dev_info(dev, "rtc disabled, re-enabling\n");
+ dev_info(&pdev->dev, "rtc disabled, re-enabling\n");
tmp = readb(S3C2410_RTCCON);
writeb(tmp | S3C2410_RTCCON_RTCEN , S3C2410_RTCCON);
}
if ((readb(S3C2410_RTCCON) & S3C2410_RTCCON_CNTSEL)){
- dev_info(dev, "removing S3C2410_RTCCON_CNTSEL\n");
+ dev_info(&pdev->dev, "removing S3C2410_RTCCON_CNTSEL\n");
tmp = readb(S3C2410_RTCCON);
writeb(tmp& ~S3C2410_RTCCON_CNTSEL , S3C2410_RTCCON);
}
if ((readb(S3C2410_RTCCON) & S3C2410_RTCCON_CLKRST)){
- dev_info(dev, "removing S3C2410_RTCCON_CLKRST\n");
+ dev_info(&pdev->dev, "removing S3C2410_RTCCON_CLKRST\n");
tmp = readb(S3C2410_RTCCON);
writeb(tmp & ~S3C2410_RTCCON_CLKRST, S3C2410_RTCCON);
@@ -421,7 +421,7 @@ static void s3c2410_rtc_enable(struct device *dev, int en)
}
}
-static int s3c2410_rtc_remove(struct device *dev)
+static int s3c2410_rtc_remove(struct platform_device *dev)
{
unregister_rtc(&s3c2410_rtcops);
@@ -438,25 +438,24 @@ static int s3c2410_rtc_remove(struct device *dev)
return 0;
}
-static int s3c2410_rtc_probe(struct device *dev)
+static int s3c2410_rtc_probe(struct platform_device *pdev)
{
- struct platform_device *pdev = to_platform_device(dev);
struct resource *res;
int ret;
- pr_debug("%s: probe=%p, device=%p\n", __FUNCTION__, pdev, dev);
+ pr_debug("%s: probe=%p\n", __FUNCTION__, pdev);
/* find the IRQs */
s3c2410_rtc_tickno = platform_get_irq(pdev, 1);
if (s3c2410_rtc_tickno <= 0) {
- dev_err(dev, "no irq for rtc tick\n");
+ dev_err(&pdev->dev, "no irq for rtc tick\n");
return -ENOENT;
}
s3c2410_rtc_alarmno = platform_get_irq(pdev, 0);
if (s3c2410_rtc_alarmno <= 0) {
- dev_err(dev, "no irq for alarm\n");
+ dev_err(&pdev->dev, "no irq for alarm\n");
return -ENOENT;
}
@@ -467,7 +466,7 @@ static int s3c2410_rtc_probe(struct device *dev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
- dev_err(dev, "failed to get memory region resource\n");
+ dev_err(&pdev->dev, "failed to get memory region resource\n");
return -ENOENT;
}
@@ -475,14 +474,14 @@ static int s3c2410_rtc_probe(struct device *dev)
pdev->name);
if (s3c2410_rtc_mem == NULL) {
- dev_err(dev, "failed to reserve memory region\n");
+ dev_err(&pdev->dev, "failed to reserve memory region\n");
ret = -ENOENT;
goto exit_err;
}
s3c2410_rtc_base = ioremap(res->start, res->end - res->start + 1);
if (s3c2410_rtc_base == NULL) {
- dev_err(dev, "failed ioremap()\n");
+ dev_err(&pdev->dev, "failed ioremap()\n");
ret = -EINVAL;
goto exit_err;
}
@@ -494,7 +493,7 @@ static int s3c2410_rtc_probe(struct device *dev)
/* check to see if everything is setup correctly */
- s3c2410_rtc_enable(dev, 1);
+ s3c2410_rtc_enable(pdev, 1);
pr_debug("s3c2410_rtc: RTCCON=%02x\n", readb(S3C2410_RTCCON));
@@ -506,7 +505,7 @@ static int s3c2410_rtc_probe(struct device *dev)
return 0;
exit_err:
- dev_err(dev, "error %d during initialisation\n", ret);
+ dev_err(&pdev->dev, "error %d during initialisation\n", ret);
return ret;
}
@@ -519,37 +518,35 @@ static struct timespec s3c2410_rtc_delta;
static int ticnt_save;
-static int s3c2410_rtc_suspend(struct device *dev, pm_message_t state, u32 level)
+static int s3c2410_rtc_suspend(struct platform_device *pdev, pm_message_t state)
{
struct rtc_time tm;
struct timespec time;
time.tv_nsec = 0;
- if (level == SUSPEND_POWER_DOWN) {
- /* save TICNT for anyone using periodic interrupts */
+ /* save TICNT for anyone using periodic interrupts */
- ticnt_save = readb(S3C2410_TICNT);
+ ticnt_save = readb(S3C2410_TICNT);
- /* calculate time delta for suspend */
+ /* calculate time delta for suspend */
- s3c2410_rtc_gettime(&tm);
- rtc_tm_to_time(&tm, &time.tv_sec);
- save_time_delta(&s3c2410_rtc_delta, &time);
- s3c2410_rtc_enable(dev, 0);
- }
+ s3c2410_rtc_gettime(&tm);
+ rtc_tm_to_time(&tm, &time.tv_sec);
+ save_time_delta(&s3c2410_rtc_delta, &time);
+ s3c2410_rtc_enable(pdev, 0);
return 0;
}
-static int s3c2410_rtc_resume(struct device *dev, u32 level)
+static int s3c2410_rtc_resume(struct platform_device *pdev)
{
struct rtc_time tm;
struct timespec time;
time.tv_nsec = 0;
- s3c2410_rtc_enable(dev, 1);
+ s3c2410_rtc_enable(pdev, 1);
s3c2410_rtc_gettime(&tm);
rtc_tm_to_time(&tm, &time.tv_sec);
restore_time_delta(&s3c2410_rtc_delta, &time);
@@ -562,13 +559,15 @@ static int s3c2410_rtc_resume(struct device *dev, u32 level)
#define s3c2410_rtc_resume NULL
#endif
-static struct device_driver s3c2410_rtcdrv = {
- .name = "s3c2410-rtc",
- .bus = &platform_bus_type,
+static struct platform_driver s3c2410_rtcdrv = {
.probe = s3c2410_rtc_probe,
.remove = s3c2410_rtc_remove,
.suspend = s3c2410_rtc_suspend,
.resume = s3c2410_rtc_resume,
+ .driver = {
+ .name = "s3c2410-rtc",
+ .owner = THIS_MODULE,
+ },
};
static char __initdata banner[] = "S3C2410 RTC, (c) 2004 Simtec Electronics\n";
@@ -576,12 +575,12 @@ static char __initdata banner[] = "S3C2410 RTC, (c) 2004 Simtec Electronics\n";
static int __init s3c2410_rtc_init(void)
{
printk(banner);
- return driver_register(&s3c2410_rtcdrv);
+ return platform_driver_register(&s3c2410_rtcdrv);
}
static void __exit s3c2410_rtc_exit(void)
{
- driver_unregister(&s3c2410_rtcdrv);
+ platform_driver_unregister(&s3c2410_rtcdrv);
}
module_init(s3c2410_rtc_init);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-24 14:03:27 +0000