[PATCH] configs: layerscape: Disable the EFI_LOADER feature

[Tom Rini]

On Thu, Jul 22, 2021 at 02:25:59PM +0800, Zhiqiang Hou wrote:

> From: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
> 
> The feature BOOTENV_SHARED_EFI is not supported on layerscape
> boards, it didn't result kernel boot crash previously since
> there isn't the efi/boot/"BOOTEFI_NAME" and it skip calling of
> 'boot_efi_binary'.
> 
> But since the commit f3866909e350 ("distro_bootcmd: call EFI
> bootmgr even without having /EFI/boot"), it will cause kernel
> boot crash as there isn't a valid fdt_addr and it finially uses
> the device tree blob of U-Boot and further cause errors.
> 
> As this feature is enabled by default for armv7 and armv8, so
> disable it explicitly to avoid calling the 'scan_dev_for_efi'.

I'm not thrilled with this.  Why isn't the solution to get and keep in
sync the device trees, so that the tree U-Boot has is valid for the
kernel?  I'm also open to discussing f3866909e350 more.  But I'm really
opposed to disabling EFI_LOADER on modern platforms as that will make
adoption of U-Boot in device harder I feel.

-- 
Tom
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