From e91344776b9ba7c864be88d915c9c0df0eb790dd Mon Sep 17 00:00:00 2001
From: John Thomson <git@johnthomson.fastmail.com.au>
Date: Thu, 15 Oct 2020 19:27:55 +1000
Subject: [PATCH] ath79: mikrotik: use vmlinuz (zBoot ELF)
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- minimal built initramfs: 10MB vmlinux ELF -> 6MB vmlinuz
- ~5 seconds for kernel decompression, which was equivalent to the
  additional time to load the uncompressed ELF from SPI NOR.
- Removes requirement for lzma-loader, which may have been causing some
  image builds to fail to boot on Mikrotik mt7621.

Suggested-by: Thibaut VARÈNE <hacks@slashdirt.org>
Signed-off-by: John Thomson <git@johnthomson.fastmail.com.au>
---
 target/linux/ath79/image/common-mikrotik.mk | 6 +++---
 target/linux/ath79/mikrotik/target.mk       | 2 ++
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/target/linux/ath79/image/common-mikrotik.mk b/target/linux/ath79/image/common-mikrotik.mk
index 9ac89fdcb1..b0c3feda20 100644
--- a/target/linux/ath79/image/common-mikrotik.mk
+++ b/target/linux/ath79/image/common-mikrotik.mk
@@ -1,8 +1,8 @@
 define Device/mikrotik
 	DEVICE_VENDOR := MikroTik
-	LOADER_TYPE := elf
-	KERNEL := kernel-bin | append-dtb | lzma | loader-kernel
-	KERNEL_INITRAMFS := kernel-bin | append-dtb | lzma | loader-kernel
+	KERNEL_NAME := vmlinuz
+	KERNEL := kernel-bin | append-dtb-elf
+	KERNEL_INITRAMFS := kernel-bin | append-dtb-elf
 endef
 
 define Device/mikrotik_nor
diff --git a/target/linux/ath79/mikrotik/target.mk b/target/linux/ath79/mikrotik/target.mk
index 0394f4427d..fb5171fea7 100644
--- a/target/linux/ath79/mikrotik/target.mk
+++ b/target/linux/ath79/mikrotik/target.mk
@@ -1,5 +1,7 @@
 BOARDNAME := MikroTik devices
 FEATURES += minor nand squashfs
+KERNELNAME := vmlinux vmlinuz
+IMAGES_DIR := ../../..
 
 DEFAULT_PACKAGES += wpad-basic-wolfssl
 
-- 
2.30.2