drivers/rtc/rtc-ab8500.c: ensure correct probing of the AB8500 RTC when Device Tree...

Without this patch, if Device Tree is enabled the AB8500 RTC wouldn't get
probed at all, as there is no reference to it from platform code.  This
patch ensures the driver is probed during normal DT start-up.

[akpm@linux-foundation.org: checkpatch fixes]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/rtc/rtc-ab8500.c b/drivers/rtc/rtc-ab8500.c
index b11a2ec..370889d 100644 (file)
--- a/drivers/rtc/rtc-ab8500.c
+++ b/drivers/rtc/rtc-ab8500.c
@@ -17,6 +17,7 @@
 #include <linux/mfd/abx500.h>
 #include <linux/mfd/abx500/ab8500.h>
 #include <linux/delay.h>
+#include <linux/of.h>
 
 #define AB8500_RTC_SOFF_STAT_REG       0x00
 #define AB8500_RTC_CC_CONF_REG         0x01
@@ -430,7 +431,6 @@ static int __devinit ab8500_rtc_probe(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, rtc);
 
-
        err = ab8500_sysfs_rtc_register(&pdev->dev);
        if (err) {
                dev_err(&pdev->dev, "sysfs RTC failed to register\n");
@@ -454,10 +454,16 @@ static int __devexit ab8500_rtc_remove(struct platform_device *pdev)
        return 0;
 }
 
+static const struct of_device_id ab8500_rtc_match[] = {
+       { .compatible = "stericsson,ab8500-rtc", },
+       {}
+};
+
 static struct platform_driver ab8500_rtc_driver = {
        .driver = {
                .name = "ab8500-rtc",
                .owner = THIS_MODULE,
+               .of_match_table = ab8500_rtc_match,
        },
        .probe  = ab8500_rtc_probe,
        .remove = __devexit_p(ab8500_rtc_remove),