[U-Boot] [PATCH] hash: Compile-off SHA SW lib in case SHA HW lib is present

[Tom Rini]

On Mon, Aug 14, 2017 at 05:09:46PM +0530, Sumit Garg wrote:

> Commit 089df18bfe9d ("lib: move hash CONFIG options to Kconfig")
> moved CONFIG_SHA1, CONFIG_SHA256, CONFIG_SHA_HW_ACCEL, and
> CONFIG_SHA_PROG_HW_ACCEL config options to Kconfig. So in case of
> SPL, CONFIG_SPL_HASH_SUPPORT enables CONFIG_SHA1 and CONFIG_SHA256
> which enables SHA SW library by default. But in case of platforms with
> SHA HW library support, SHA SW library becomes redundant and increases
> size of SPL by approx 18K. So to take care of this SHA SW library is
> compiled-off in case SHA HW acceleration is present.
> 
> Signed-off-by: Sumit Garg <sumit.garg at nxp.com>
> ---
>  common/hash.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)

Good find.  Looking at the code I think this can be done a bit
differently to clean up the code as well, which was the first thing I
was wondering about when looking this over.  I'll have a v2 of this
hopefully later today (testing in travis now).  Thanks!

-- 
Tom
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