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drivers: core: Add the option SPL_DM_DEVICE_REMOVE to the Kconfig

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It is currently not possible to include the support to remove devices in
the SPL. This is however needed by platforms that re-select their dtb after
DM is initialized; they need to remove all the previously bound devices
before triggering a scan of the new DT.

Add a Kconfig option to be able to include the support for device removal
in the SPL.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

Seeries-changes:3
- update commit message
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Jean-Jacques Hiblot 2018-12-07 14:50:53 +01:00 committed by Heiko Schocher
parent f1d2bc9034
commit 85e51be9fb
1 changed files with 10 additions and 2 deletions
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12
drivers/core/Kconfig
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@ -57,13 +57,21 @@ config DM_DEVICE_REMOVE
default y
help
We can save some code space by dropping support for removing a
device. This is not normally required in SPL, so by default this
option is disabled for SPL.
device.
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 SPL_DM_DEVICE_REMOVE
bool "Support device removal in SPL"
depends on SPL_DM
default n
help
We can save some code space by dropping support for removing a
device. This is not normally required in SPL, so by default this
option is disabled for SPL.
config DM_STDIO
bool "Support stdio registration"
depends on DM