media: aspeed: Use of_device_get_match_data() helper

Use of_device_get_match_data() to simplify the code.

Signed-off-by: Jammy Huang <jammy_huang@aspeedtech.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c
index 77f88dc..f2e24e8 100644 (file)
--- a/drivers/media/platform/aspeed-video.c
+++ b/drivers/media/platform/aspeed-video.c
@@ -13,6 +13,7 @@
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/of.h>
+#include <linux/of_device.h>
 #include <linux/of_irq.h>
 #include <linux/of_reserved_mem.h>
 #include <linux/platform_device.h>
@@ -1961,7 +1962,6 @@ MODULE_DEVICE_TABLE(of, aspeed_video_of_match);
 static int aspeed_video_probe(struct platform_device *pdev)
 {
        const struct aspeed_video_config *config;
-       const struct of_device_id *match;
        struct aspeed_video *video;
        int rc;
 
@@ -1973,11 +1973,10 @@ static int aspeed_video_probe(struct platform_device *pdev)
        if (IS_ERR(video->base))
                return PTR_ERR(video->base);
 
-       match = of_match_node(aspeed_video_of_match, pdev->dev.of_node);
-       if (!match)
-               return -EINVAL;
+       config = of_device_get_match_data(&pdev->dev);
+       if (!config)
+               return -ENODEV;
 
-       config = match->data;
        video->jpeg_mode = config->jpeg_mode;
        video->comp_size_read = config->comp_size_read;