dm: core: Change syscon to use helper function

Now that we have uclass_first_device_drvdata(), use it from syscon to
reduce code duplication.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

diff --git a/drivers/core/syscon-uclass.c b/drivers/core/syscon-uclass.c
index 5bb38e3..b9ae821 100644 (file)
--- a/drivers/core/syscon-uclass.c
+++ b/drivers/core/syscon-uclass.c
@@ -128,22 +128,15 @@ struct regmap *syscon_regmap_lookup_by_phandle(struct udevice *dev,
 
 int syscon_get_by_driver_data(ulong driver_data, struct udevice **devp)
 {
-       struct udevice *dev;
-       struct uclass *uc;
        int ret;
 
        *devp = NULL;
-       ret = uclass_get(UCLASS_SYSCON, &uc);
+
+       ret = uclass_first_device_drvdata(UCLASS_SYSCON, driver_data, devp);
        if (ret)
-               return ret;
-       uclass_foreach_dev(dev, uc) {
-               if (dev->driver_data == driver_data) {
-                       *devp = dev;
-                       return device_probe(dev);
-               }
-       }
+               return log_msg_ret("find", ret);
 
-       return -ENODEV;
+       return 0;
 }
 
 struct regmap *syscon_get_regmap_by_driver_data(ulong driver_data)