cmd: List all uclass devices regardless of probe error

There are a few commands that iterate uclass with
uclass_first_device/uclass_next_device or the _err variant.

Use the _check class iterator variant to get devices that fail to probe
as well, and print the status.

Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Reviewed-by: Simon Glass <sjg@chromium.org>

1 files changed, 8 insertions, 12 deletions

diff --git a/cmd/adc.c b/cmd/adc.c
index 1c5d3e1..a739d9e 100644
--- a/cmd/adc.c
+++ b/cmd/adc.c
@@ -12,23 +12,19 @@ static int do_adc_list(struct cmd_tbl *cmdtp, int flag, int argc,
 		       char *const argv[])
 {
 	struct udevice *dev;
-	int ret;
+	int ret, err;
 
-	ret = uclass_first_device_err(UCLASS_ADC, &dev);
-	if (ret) {
-		printf("No available ADC device\n");
-		return CMD_RET_FAILURE;
-	}
+	ret = err = uclass_first_device_check(UCLASS_ADC, &dev);
 
-	do {
-		printf("- %s\n", dev->name);
+	while (dev) {
+		printf("- %s status: %i\n", dev->name, ret);
 
-		ret = uclass_next_device(&dev);
+		ret = uclass_next_device_check(&dev);
 		if (ret)
-			return CMD_RET_FAILURE;
-	} while (dev);
+			err = ret;
+	}
 
-	return CMD_RET_SUCCESS;
+	return err ? CMD_RET_FAILURE : CMD_RET_SUCCESS;
 }
 
 static int do_adc_info(struct cmd_tbl *cmdtp, int flag, int argc,