--- zzzz-none-000/linux-4.19.183/arch/arm/include/asm/prom.h	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/arch/arm/include/asm/prom.h	2023-06-28 08:54:18.000000000 +0000
@@ -11,6 +11,10 @@
 #ifndef __ASMARM_PROM_H
 #define __ASMARM_PROM_H
 
+#if IS_ENABLED(CONFIG_AVM_PROM_ENVIRONMENT)
+#include <linux/env.h>
+#endif
+
 #ifdef CONFIG_OF
 
 extern const struct machine_desc *setup_machine_fdt(unsigned int dt_phys);