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
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Changes in v3: None Changes in v2: None
drivers/core/Kconfig | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig index e8ba20c..046b87a 100644 --- a/drivers/core/Kconfig +++ b/drivers/core/Kconfig @@ -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