Messages in this thread Patch in this message | | | Date | Sat, 30 Sep 2006 02:54:57 +0900 (JST) | Subject | [PATCH] RTC: rtc-ds1553, rtc-ds1742 update | From | Atsushi Nemoto <> |
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Check return value of sysfs_create_bin_file(). Fix polarity of RTC_BATT_FLAG bit in DS1742.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c index 2090014..b55af5a 100644 --- a/drivers/rtc/rtc-ds1553.c +++ b/drivers/rtc/rtc-ds1553.c @@ -18,7 +18,7 @@ #include <linux/rtc.h> #include <linux/platform_device.h> #include <linux/io.h> -#define DRV_VERSION "0.1" +#define DRV_VERSION "0.2" #define RTC_REG_SIZE 0x2000 #define RTC_OFFSET 0x1ff0 @@ -357,9 +357,13 @@ static int __init ds1553_rtc_probe(struc pdata->rtc = rtc; pdata->last_jiffies = jiffies; platform_set_drvdata(pdev, pdata); - sysfs_create_bin_file(&pdev->dev.kobj, &ds1553_nvram_attr); + ret = sysfs_create_bin_file(&pdev->dev.kobj, &ds1553_nvram_attr); + if (ret) + goto out; return 0; out: + if (pdata->rtc) + rtc_device_unregister(pdata->rtc); if (pdata->irq >= 0) free_irq(pdata->irq, pdev); if (ioaddr) diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c index 8e47e5a..ff95512 100644 --- a/drivers/rtc/rtc-ds1742.c +++ b/drivers/rtc/rtc-ds1742.c @@ -17,7 +17,7 @@ #include <linux/rtc.h> #include <linux/platform_device.h> #include <linux/io.h> -#define DRV_VERSION "0.1" +#define DRV_VERSION "0.2" #define RTC_REG_SIZE 0x800 #define RTC_OFFSET 0x7f8 @@ -196,7 +196,7 @@ static int __init ds1742_rtc_probe(struc writeb(sec, ioaddr + RTC_SECONDS); writeb(cen & RTC_CENTURY_MASK, ioaddr + RTC_CONTROL); } - if (readb(ioaddr + RTC_DAY) & RTC_BATT_FLAG) + if (!(readb(ioaddr + RTC_DAY) & RTC_BATT_FLAG)) dev_warn(&pdev->dev, "voltage-low detected.\n"); rtc = rtc_device_register(pdev->name, &pdev->dev, @@ -208,9 +208,13 @@ static int __init ds1742_rtc_probe(struc pdata->rtc = rtc; pdata->last_jiffies = jiffies; platform_set_drvdata(pdev, pdata); - sysfs_create_bin_file(&pdev->dev.kobj, &ds1742_nvram_attr); + ret = sysfs_create_bin_file(&pdev->dev.kobj, &ds1742_nvram_attr); + if (ret) + goto out; return 0; out: + if (pdata->rtc) + rtc_device_unregister(pdata->rtc); if (ioaddr) iounmap(ioaddr); if (pdata->baseaddr) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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