Re: [PATCH] mips: ralink: allow zboot

From: George Hilliard
Date: Thu Mar 21 2019 - 10:57:29 EST


Actually, I just thought about this: do I need to do a `make
olddefconfig` for all the ralink-based defconfigs to let them choose a
default compression method? (I'm somewhat new to kernel
contributions, sorry if this is obvious.)

Thanks,
George

On Thu, Mar 21, 2019 at 8:08 AM George Hilliard
<thirtythreeforty@xxxxxxxxx> wrote:
>
> Architecturally, there's nothing preventing compressed images from
> working. Bootloaders built with support for the various compression
> methods can decompress and run the kernel. In practice, many
> bootloaders do not support compressed images, but kernels for those
> boards should just not be compressed.
>
> Tested on an MT7688 with U-Boot doing LZMA decompression of uImage.
>
> Signed-off-by: George Hilliard <thirtythreeforty@xxxxxxxxx>
> ---
> arch/mips/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
> index 4a5f5b0ee9a9..b286fbbd9699 100644
> --- a/arch/mips/Kconfig
> +++ b/arch/mips/Kconfig
> @@ -619,6 +619,7 @@ config RALINK
> select SYS_SUPPORTS_32BIT_KERNEL
> select SYS_SUPPORTS_LITTLE_ENDIAN
> select SYS_SUPPORTS_MIPS16
> + select SYS_SUPPORTS_ZBOOT
> select SYS_HAS_EARLY_PRINTK
> select CLKDEV_LOOKUP
> select ARCH_HAS_RESET_CONTROLLER
> --
> 2.21.0
>