treewide: Convert uses of struct resource to resource_size(ptr)

[mirror_ubuntu-zesty-kernel.git] / drivers / rtc / rtc-s3c.c

diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index b3466c491cd35cbbd93a64df0f1dbcf070c84e6c..2a65e85e0f565c2744263b9f23ea36ae7cbb338e 100644 (file)
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -46,6 +46,7 @@ static struct clk *rtc_clk;
 static void __iomem *s3c_rtc_base;
 static int s3c_rtc_alarmno = NO_IRQ;
 static int s3c_rtc_tickno  = NO_IRQ;
+static bool wake_en;
 static enum s3c_cpu_type s3c_rtc_cpu_type;
 
 static DEFINE_SPINLOCK(s3c_rtc_pie_lock);
@@ -454,8 +455,7 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev)
                return -ENOENT;
        }
 
-       s3c_rtc_mem = request_mem_region(res->start,
-                                        res->end-res->start+1,
+       s3c_rtc_mem = request_mem_region(res->start, resource_size(res),
                                         pdev->name);
 
        if (s3c_rtc_mem == NULL) {
@@ -464,7 +464,7 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev)
                goto err_nores;
        }
 
-       s3c_rtc_base = ioremap(res->start, res->end - res->start + 1);
+       s3c_rtc_base = ioremap(res->start, resource_size(res));
        if (s3c_rtc_base == NULL) {
                dev_err(&pdev->dev, "failed ioremap()\n");
                ret = -EINVAL;
@@ -562,8 +562,12 @@ static int s3c_rtc_suspend(struct platform_device *pdev, pm_message_t state)
        }
        s3c_rtc_enable(pdev, 0);
 
-       if (device_may_wakeup(&pdev->dev))
-               enable_irq_wake(s3c_rtc_alarmno);
+       if (device_may_wakeup(&pdev->dev) && !wake_en) {
+               if (enable_irq_wake(s3c_rtc_alarmno) == 0)
+                       wake_en = true;
+               else
+                       dev_err(&pdev->dev, "enable_irq_wake failed\n");
+       }
 
        return 0;
 }
@@ -579,8 +583,10 @@ static int s3c_rtc_resume(struct platform_device *pdev)
                writew(tmp | ticnt_en_save, s3c_rtc_base + S3C2410_RTCCON);
        }
 
-       if (device_may_wakeup(&pdev->dev))
+       if (device_may_wakeup(&pdev->dev) && wake_en) {
                disable_irq_wake(s3c_rtc_alarmno);
+               wake_en = false;
+       }
 
        return 0;
 }