[PATCH] dm: blk: Add probe in blk_first_device/blk_next_device

Michal Suchanek msuchanek at suse.de
Tue Sep 27 23:23:53 CEST 2022


The description claims that the device is probed but it isn't.

Add the device_probe() call.

Also consolidate the iteration into one function.

Fixes: 8a5cbc065d ("dm: blk: Use uclass_find_first/next_device() in blk_first/next_device()")
Signed-off-by: Michal Suchanek <msuchanek at suse.de>
---
Resent separately

 drivers/block/blk-uclass.c | 46 ++++++++++++++++++--------------------
 1 file changed, 22 insertions(+), 24 deletions(-)

diff --git a/drivers/block/blk-uclass.c b/drivers/block/blk-uclass.c
index 676f2444bf..35beedfdf7 100644
--- a/drivers/block/blk-uclass.c
+++ b/drivers/block/blk-uclass.c
@@ -361,45 +361,43 @@ int blk_dselect_hwpart(struct blk_desc *desc, int hwpart)
 	return blk_select_hwpart(desc->bdev, hwpart);
 }
 
-int blk_first_device(int if_type, struct udevice **devp)
+static int _blk_next_device(int if_type, struct udevice **devp)
 {
 	struct blk_desc *desc;
-	int ret;
+	int ret = 0;
+
+	for (; *devp; uclass_find_next_device(devp)) {
+		desc = dev_get_uclass_plat(*devp);
+		if (desc->if_type == if_type) {
+			ret = device_probe(*devp);
+			if (!ret)
+				return 0;
+		}
+	}
 
-	ret = uclass_find_first_device(UCLASS_BLK, devp);
 	if (ret)
 		return ret;
-	if (!*devp)
-		return -ENODEV;
-	do {
-		desc = dev_get_uclass_plat(*devp);
-		if (desc->if_type == if_type)
-			return 0;
-		ret = uclass_find_next_device(devp);
-		if (ret)
-			return ret;
-	} while (*devp);
 
 	return -ENODEV;
 }
 
+int blk_first_device(int if_type, struct udevice **devp)
+{
+	uclass_find_first_device(UCLASS_BLK, devp);
+
+	return _blk_next_device(if_type, devp);
+}
+
 int blk_next_device(struct udevice **devp)
 {
 	struct blk_desc *desc;
-	int ret, if_type;
+	int if_type;
 
 	desc = dev_get_uclass_plat(*devp);
 	if_type = desc->if_type;
-	do {
-		ret = uclass_find_next_device(devp);
-		if (ret)
-			return ret;
-		if (!*devp)
-			return -ENODEV;
-		desc = dev_get_uclass_plat(*devp);
-		if (desc->if_type == if_type)
-			return 0;
-	} while (1);
+	uclass_find_next_device(devp);
+
+	return _blk_next_device(if_type, devp);
 }
 
 int blk_find_device(int if_type, int devnum, struct udevice **devp)
-- 
2.37.3



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