rtc: s3c: Use generic helper to get driver data

Replace of_match_node() with of_device_get_match_data(), which removes a
few lines of code from the driver.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
[backport of mainline commit 64704c92fd19c599f20433aae1372a7ccab79a57]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Change-Id: I9e3a1662233334925ca9ace34609468dc8bc0a14

diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 624ca24..269032a 100644 (file)
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -26,6 +26,7 @@
 #include <linux/log2.h>
 #include <linux/slab.h>
 #include <linux/of.h>
+#include <linux/of_device.h>
 #include <linux/uaccess.h>
 #include <linux/io.h>
 
@@ -454,16 +455,6 @@ static int s3c_rtc_remove(struct platform_device *pdev)
        return 0;
 }
 
-static const struct of_device_id s3c_rtc_dt_match[];
-
-static const struct s3c_rtc_data *s3c_rtc_get_data(struct platform_device *pdev)
-{
-       const struct of_device_id *match;
-
-       match = of_match_node(s3c_rtc_dt_match, pdev->dev.of_node);
-       return match->data;
-}
-
 static int s3c_rtc_probe(struct platform_device *pdev)
 {
        struct s3c_rtc *info = NULL;
@@ -483,7 +474,7 @@ static int s3c_rtc_probe(struct platform_device *pdev)
        }
 
        info->dev = &pdev->dev;
-       info->data = s3c_rtc_get_data(pdev);
+       info->data = of_device_get_match_data(&pdev->dev);
        if (!info->data) {
                dev_err(&pdev->dev, "failed getting s3c_rtc_data\n");
                return -EINVAL;