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dm: Avoid activating devices in 'dm uclass' command

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This command currently activates devices as it lists them. This is not
desirable since it changes the system state. Fix it and avoid printing
a newline if there are no devices in a uclass.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2014-07-23 06:55:11 -06:00
parent fffa24d7c5
commit 4e8bc21170
1 changed files with 3 additions and 3 deletions
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6
test/dm/cmd_dm.c
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@ -94,9 +94,9 @@ static int do_dm_dump_uclass(cmd_tbl_t *cmdtp, int flag, int argc,
continue;
printf("uclass %d: %s\n", id, uc->uc_drv->name);
for (ret = uclass_first_device(id, &dev);
dev;
ret = uclass_next_device(&dev)) {
if (list_empty(&uc->dev_head))
continue;
list_for_each_entry(dev, &uc->dev_head, uclass_node) {
dm_display_line(dev, "");
}
puts("\n");