From: Marcel Ziswiler <marcel@ziswiler.com>
Date: Mon, 20 May 2019 00:44:57 +0000 (+0200)
Subject: dm: core: gracefully handle alias seq without of
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=45224e8f26913bbd70960f316401134f3c366d78;p=u-boot.git

dm: core: gracefully handle alias seq without of

Gracefully handle alias seq in the platform data rather than OF case.

Signed-off-by: Marcel Ziswiler <marcel@ziswiler.com>
---

diff --git a/drivers/core/read.c b/drivers/core/read.c
index 047089c886..85b3b7a5ad 100644
--- a/drivers/core/read.c
+++ b/drivers/core/read.c
@@ -275,15 +275,17 @@ int dev_read_alias_seq(const struct udevice *dev, int *devnump)
 {
 	ofnode node = dev_ofnode(dev);
 	const char *uc_name = dev->uclass->uc_drv->name;
-	int ret;
+	int ret = -ENOTSUPP;
 
 	if (ofnode_is_np(node)) {
 		ret = of_alias_get_id(ofnode_to_np(node), uc_name);
 		if (ret >= 0)
 			*devnump = ret;
 	} else {
+#if CONFIG_IS_ENABLED(OF_CONTROL)
 		ret = fdtdec_get_alias_seq(gd->fdt_blob, uc_name,
 					   ofnode_to_offset(node), devnump);
+#endif
 	}
 
 	return ret;
diff --git a/include/dm/read.h b/include/dm/read.h
index 1c1bc3702f..3711386f51 100644
--- a/include/dm/read.h
+++ b/include/dm/read.h
@@ -923,8 +923,12 @@ static inline const void *dev_read_prop_by_prop(struct ofprop *prop,
 
 static inline int dev_read_alias_seq(const struct udevice *dev, int *devnump)
 {
+#if CONFIG_IS_ENABLED(OF_CONTROL)
 	return fdtdec_get_alias_seq(gd->fdt_blob, dev->uclass->uc_drv->name,
 				    dev_of_offset(dev), devnump);
+#else
+	return -ENOTSUPP;
+#endif
 }
 
 static inline int dev_read_u32_array(const struct udevice *dev,