[U-Boot] [PATCH v2 3/7] dfu: Remove dependency on HUSH parser in SPL

[Tom Rini <trini@konsulko.com>]

On Wed, Dec 05, 2018 at 11:51:32AM -0600, Andrew F. Davis wrote:

> CLI support with the HUSH parser is not currently SPL safe due to it's
> use of realloc. That function is not defined for SPLs that use
> SYS_MALLOC_SIMPLE. CLI support can be built in to SPL and some functions
> do work, but use of some like run_command() will cause build to fail.
> When no SPL code calls this function build works as the compiler removes
> this unreachable code so the unresolved symbols are ignored.
> 
> If DFU support is enabled in SPL then MMU DFU support may get brought in
> also, this code does make a call to run_command() causing build to fail
> if the HUSH parser is not built-in. To break this odd and unneeded
> dependency chain we use CONFIG_IS_ENABLED where appropriate to prevent
> calls into HUSH code from SPL. This also removes our need to pull in the
> rather unrelated source file when SPL_DFU is defined.
> 
> Signed-off-by: Andrew F. Davis <afd@ti.com>

Reviewed-by: Tom Rini <trini@konsulko.com>

-- 
Tom
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