[U-Boot] [PATCH v2 2/4] dm: usb: Document that mixing DM_DEVICE_REMOVE and DM_USB is a bad idea

[Hans de Goede]

Document that mixing DM_DEVICE_REMOVE and DM_USB is a bad idea, and also why
this is a bad idea.

Signed-off-by: Hans de Goede <hdegoede at redhat.com>
---
 drivers/core/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig
index 2861b43..e40372d 100644
--- a/drivers/core/Kconfig
+++ b/drivers/core/Kconfig
@@ -38,6 +38,10 @@ config DM_DEVICE_REMOVE
 	  device. This is not normally required in SPL, so by default this
 	  option is disabled for SPL.
 
+	  Note that this may have undesirable results in the USB subsystem as
+	  it causes unplugged devices to linger around in the dm-tree, and it
+	  causes USB host controllers to not be stopped when booting the OS.
+
 config DM_STDIO
 	bool "Support stdio registration"
 	depends on DM
-- 
2.4.3