Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial

[cascardo/linux.git] / drivers / rtc / rtc-stk17ta8.c

diff --git a/drivers/rtc/rtc-stk17ta8.c b/drivers/rtc/rtc-stk17ta8.c
index 549990f..7d1547b 100644 (file)
--- a/drivers/rtc/rtc-stk17ta8.c
+++ b/drivers/rtc/rtc-stk17ta8.c
@@ -170,7 +170,7 @@ static int stk17ta8_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
        struct platform_device *pdev = to_platform_device(dev);
        struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
 
-       if (pdata->irq < 0)
+       if (pdata->irq <= 0)
                return -EINVAL;
        pdata->alrm_mday = alrm->time.tm_mday;
        pdata->alrm_hour = alrm->time.tm_hour;
@@ -187,7 +187,7 @@ static int stk17ta8_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
        struct platform_device *pdev = to_platform_device(dev);
        struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
 
-       if (pdata->irq < 0)
+       if (pdata->irq <= 0)
                return -EINVAL;
        alrm->time.tm_mday = pdata->alrm_mday < 0 ? 0 : pdata->alrm_mday;
        alrm->time.tm_hour = pdata->alrm_hour < 0 ? 0 : pdata->alrm_hour;
@@ -221,7 +221,7 @@ static int stk17ta8_rtc_ioctl(struct device *dev, unsigned int cmd,
        struct platform_device *pdev = to_platform_device(dev);
        struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
 
-       if (pdata->irq < 0)
+       if (pdata->irq <= 0)
                return -ENOIOCTLCMD; /* fall back into rtc-dev's emulation */
        switch (cmd) {
        case RTC_AIE_OFF:
@@ -303,7 +303,6 @@ static int __init stk17ta8_rtc_probe(struct platform_device *pdev)
        pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
        if (!pdata)
                return -ENOMEM;
-       pdata->irq = -1;
        if (!request_mem_region(res->start, RTC_REG_SIZE, pdev->name)) {
                ret = -EBUSY;
                goto out;
@@ -329,13 +328,13 @@ static int __init stk17ta8_rtc_probe(struct platform_device *pdev)
        if (readb(ioaddr + RTC_FLAGS) & RTC_FLAGS_PF)
                dev_warn(&pdev->dev, "voltage-low detected.\n");
 
-       if (pdata->irq >= 0) {
+       if (pdata->irq > 0) {
                writeb(0, ioaddr + RTC_INTERRUPTS);
                if (request_irq(pdata->irq, stk17ta8_rtc_interrupt,
                                IRQF_DISABLED | IRQF_SHARED,
                                pdev->name, pdev) < 0) {
                        dev_warn(&pdev->dev, "interrupt not available.\n");
-                       pdata->irq = -1;
+                       pdata->irq = 0;
                }
        }
 
@@ -355,7 +354,7 @@ static int __init stk17ta8_rtc_probe(struct platform_device *pdev)
  out:
        if (pdata->rtc)
                rtc_device_unregister(pdata->rtc);
-       if (pdata->irq >= 0)
+       if (pdata->irq > 0)
                free_irq(pdata->irq, pdev);
        if (ioaddr)
                iounmap(ioaddr);
@@ -371,7 +370,7 @@ static int __devexit stk17ta8_rtc_remove(struct platform_device *pdev)
 
        sysfs_remove_bin_file(&pdev->dev.kobj, &stk17ta8_nvram_attr);
        rtc_device_unregister(pdata->rtc);
-       if (pdata->irq >= 0) {
+       if (pdata->irq > 0) {
                writeb(0, pdata->ioaddr + RTC_INTERRUPTS);
                free_irq(pdata->irq, pdev);
        }