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dm: usb: Document that mixing DM_DEVICE_REMOVE and DM_USB is a bad idea

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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@redhat.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Hans de Goede 2015-07-01 20:52:59 +02:00 committed by Simon Glass
parent c27b329054
commit e5c4564ee6
1 changed files with 4 additions and 0 deletions
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4
drivers/core/Kconfig
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@ -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