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avb2.0: add proper dependencies

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1. Since libavb library alone is highly portable, introduce dedicated
Kconfig symbol for AVB bootloader-dependent operations, so it's possible
to build libavb separately. AVB bootloader-dependent operations include:
  * Helpers to process strings in order to build OS bootargs.
  * Helpers to access MMC, similar to drivers/fastboot/fb_mmc.c.
  * Helpers to alloc/init/free avb ops.
2. Add CONFIG_FASTBOOT dependency, as fastboot buffer is
re-used in partition verification operations.

Reported-by: Eugeniu Rosca <rosca.eugeniu@gmail.com>
Signed-off-by: Igor Opaniuk <igor.opaniuk@linaro.org>
Reviewed-by: Eugeniu Rosca <rosca.eugeniu@gmail.com>
Tested-by: Eugeniu Rosca <rosca.eugeniu@gmail.com>
This commit is contained in:
Igor Opaniuk
2018-07-17 14:33:25 +03:00
committed by Tom Rini
parent 149c21b098
commit b0aa74a264
4 changed files with 13 additions and 2 deletions
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1
doc/README.avb2
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@@ -58,6 +58,7 @@ Slot verification result: ERROR_IO
-----------------------------------
The following options must be enabled:
CONFIG_LIBAVB=y
CONFIG_AVB_VERIFY=y
CONFIG_CMD_AVB=y