[PATCH 11/16] lib: enable lzma decompression support for SPL build

[Heinrich Schuchardt <xypron.glpk@gmx.de>]

On 1/8/20 4:01 AM, Weijie Gao wrote:
> This patch enables LZMA decompression support for SPL build
>
> Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
> ---
>   lib/Kconfig  | 5 +++++
>   lib/Makefile | 1 +
>   2 files changed, 6 insertions(+)
>
> diff --git a/lib/Kconfig b/lib/Kconfig
> index 965cf7bc03..2f38e37802 100644
> --- a/lib/Kconfig
> +++ b/lib/Kconfig
> @@ -418,6 +418,11 @@ config SPL_LZ4
>   	  fast compression and decompression speed. It belongs to the LZ77
>   	  family of byte-oriented compression schemes.
>
> +config SPL_LZMA
> +	bool "Enable LZMA decompression support for SPL build"
> +	help
> +	  This enables support for LZMA compression altorithm for SPL boot.

%s/altorithm/algorithm/g

Why do we need yet another algorithm for compression?

Doesn't Zstandard provide a much faster decompression?
Cf. https://sites.google.com/site/powturbo/home/web-compression

Best regards

Heinrich

> +
>   config SPL_LZO
>   	bool "Enable LZO decompression support in SPL"
>   	help
> diff --git a/lib/Makefile b/lib/Makefile
> index 1fb650cd90..8e51eec01c 100644
> --- a/lib/Makefile
> +++ b/lib/Makefile
> @@ -64,6 +64,7 @@ obj-$(CONFIG_$(SPL_)ZLIB) += zlib/
>   obj-$(CONFIG_$(SPL_)ZSTD) += zstd/
>   obj-$(CONFIG_$(SPL_)GZIP) += gunzip.o
>   obj-$(CONFIG_$(SPL_)LZO) += lzo/
> +obj-$(CONFIG_$(SPL_)LZMA) += lzma/
>   obj-$(CONFIG_$(SPL_)LZ4) += lz4_wrapper.o
>
>   obj-$(CONFIG_LIBAVB) += libavb/
>