diff options
Diffstat (limited to 'drivers/rtc/rtc-vr41xx.c')
| -rw-r--r-- | drivers/rtc/rtc-vr41xx.c | 68 |
1 files changed, 21 insertions, 47 deletions
diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c index 6c3774cf5a2..88c9c92e89f 100644 --- a/drivers/rtc/rtc-vr41xx.c +++ b/drivers/rtc/rtc-vr41xx.c @@ -20,6 +20,7 @@ #include <linux/err.h> #include <linux/fs.h> #include <linux/init.h> +#include <linux/io.h> #include <linux/ioport.h> #include <linux/interrupt.h> #include <linux/module.h> @@ -27,11 +28,10 @@ #include <linux/rtc.h> #include <linux/spinlock.h> #include <linux/types.h> +#include <linux/uaccess.h> #include <linux/log2.h> #include <asm/div64.h> -#include <asm/io.h> -#include <asm/uaccess.h> MODULE_AUTHOR("Yoichi Yuasa <yuasa@linux-mips.org>"); MODULE_DESCRIPTION("NEC VR4100 series RTC driver"); @@ -103,7 +103,7 @@ static inline unsigned long read_elapsed_second(void) second_mid = rtc1_read(ETIMEMREG); second_high = rtc1_read(ETIMEHREG); } while (first_low != second_low || first_mid != second_mid || - first_high != second_high); + first_high != second_high); return (first_high << 17) | (first_mid << 1) | (first_low >> 15); } @@ -154,7 +154,7 @@ static int vr41xx_rtc_set_time(struct device *dev, struct rtc_time *time) epoch_sec = mktime(epoch, 1, 1, 0, 0, 0); current_sec = mktime(time->tm_year + 1900, time->tm_mon + 1, time->tm_mday, - time->tm_hour, time->tm_min, time->tm_sec); + time->tm_hour, time->tm_min, time->tm_sec); write_elapsed_second(current_sec - epoch_sec); @@ -186,7 +186,7 @@ static int vr41xx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *wkalrm) struct rtc_time *time = &wkalrm->time; alarm_sec = mktime(time->tm_year + 1900, time->tm_mon + 1, time->tm_mday, - time->tm_hour, time->tm_min, time->tm_sec); + time->tm_hour, time->tm_min, time->tm_sec); spin_lock_irq(&rtc_lock); @@ -293,7 +293,7 @@ static int rtc_probe(struct platform_device *pdev) if (!res) return -EBUSY; - rtc1_base = ioremap(res->start, resource_size(res)); + rtc1_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); if (!rtc1_base) return -EBUSY; @@ -303,13 +303,14 @@ static int rtc_probe(struct platform_device *pdev) goto err_rtc1_iounmap; } - rtc2_base = ioremap(res->start, resource_size(res)); + rtc2_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); if (!rtc2_base) { retval = -EBUSY; goto err_rtc1_iounmap; } - rtc = rtc_device_register(rtc_name, &pdev->dev, &vr41xx_rtc_ops, THIS_MODULE); + rtc = devm_rtc_device_register(&pdev->dev, rtc_name, &vr41xx_rtc_ops, + THIS_MODULE); if (IS_ERR(rtc)) { retval = PTR_ERR(rtc); goto err_iounmap_all; @@ -330,75 +331,48 @@ static int rtc_probe(struct platform_device *pdev) aie_irq = platform_get_irq(pdev, 0); if (aie_irq <= 0) { retval = -EBUSY; - goto err_device_unregister; + goto err_iounmap_all; } - retval = request_irq(aie_irq, elapsedtime_interrupt, 0, - "elapsed_time", pdev); + retval = devm_request_irq(&pdev->dev, aie_irq, elapsedtime_interrupt, 0, + "elapsed_time", pdev); if (retval < 0) - goto err_device_unregister; + goto err_iounmap_all; pie_irq = platform_get_irq(pdev, 1); - if (pie_irq <= 0) - goto err_free_irq; + if (pie_irq <= 0) { + retval = -EBUSY; + goto err_iounmap_all; + } - retval = request_irq(pie_irq, rtclong1_interrupt, 0, - "rtclong1", pdev); + retval = devm_request_irq(&pdev->dev, pie_irq, rtclong1_interrupt, 0, + "rtclong1", pdev); if (retval < 0) - goto err_free_irq; + goto err_iounmap_all; platform_set_drvdata(pdev, rtc); disable_irq(aie_irq); disable_irq(pie_irq); - printk(KERN_INFO "rtc: Real Time Clock of NEC VR4100 series\n"); + dev_info(&pdev->dev, "Real Time Clock of NEC VR4100 series\n"); return 0; -err_free_irq: - free_irq(aie_irq, pdev); - -err_device_unregister: - rtc_device_unregister(rtc); - err_iounmap_all: - iounmap(rtc2_base); rtc2_base = NULL; err_rtc1_iounmap: - iounmap(rtc1_base); rtc1_base = NULL; return retval; } -static int rtc_remove(struct platform_device *pdev) -{ - struct rtc_device *rtc; - - rtc = platform_get_drvdata(pdev); - if (rtc) - rtc_device_unregister(rtc); - - platform_set_drvdata(pdev, NULL); - - free_irq(aie_irq, pdev); - free_irq(pie_irq, pdev); - if (rtc1_base) - iounmap(rtc1_base); - if (rtc2_base) - iounmap(rtc2_base); - - return 0; -} - /* work with hotplug and coldplug */ MODULE_ALIAS("platform:RTC"); static struct platform_driver rtc_platform_driver = { .probe = rtc_probe, - .remove = rtc_remove, .driver = { .name = rtc_name, .owner = THIS_MODULE, |