[PATCH v3 03/10] lib: Makefile: build crc7.c when CONFIG_MMC_SPI

[Jagan Teki]

On Fri, Jan 24, 2020 at 11:21 AM Pragnesh Patel
<pragnesh.patel at sifive.com> wrote:
>
> When build U-boot SPL, meet an issue of undefined reference to
> 'crc7' for drivers/mmc/mmc_spi.c, so let's compile crc7.c when
> CONFIG_MMC_SPI selected.
>
> Signed-off-by: Pragnesh Patel <pragnesh.patel at sifive.com>
> Reviewed-by: Anup Patel <anup.patel at wdc.com>
> ---
>  lib/Makefile | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/lib/Makefile b/lib/Makefile
> index 51eba80b89..d21e0a6b3a 100644
> --- a/lib/Makefile
> +++ b/lib/Makefile
> @@ -78,6 +78,7 @@ endif
>
>  ifdef CONFIG_SPL_BUILD
>  obj-$(CONFIG_SPL_YMODEM_SUPPORT) += crc16.o
> +obj-$(CONFIG_MMC_SPI) += crc7.o

It is invalid to mark crc7 to MMC_SPI, try to add Kconfig option for
CRC7. like this.
https://paste.ubuntu.com/p/kSnkDWpTgS/