--- zzzz-none-000/linux-5.15.111/arch/x86/platform/efi/quirks.c	2023-05-11 14:00:40.000000000 +0000
+++ puma7-atom-6670-761/linux-5.15.111/arch/x86/platform/efi/quirks.c	2024-02-07 10:22:36.000000000 +0000
@@ -1,4 +1,8 @@
 // SPDX-License-Identifier: GPL-2.0-only
+ /*
+ * Includes Maxlinear's changes/modifications dated: 2022.
+ * Changed/modified portions - Copyright (c) 2022 Maxlinear, Inc.
+ */
 #define pr_fmt(fmt) "efi: " fmt
 
 #include <linux/init.h>
@@ -370,6 +374,7 @@
 	}
 }
 
+#ifndef CONFIG_X86_PUMA7
 /*
  * Apart from having VA mappings for EFI boot services code/data regions,
  * (duplicate) 1:1 mappings were also created as a quirk for buggy firmware. So,
@@ -395,6 +400,7 @@
 	if (kernel_unmap_pages_in_pgd(pgd, va, md->num_pages))
 		pr_err("Failed to unmap VA mapping for 0x%llx\n", va);
 }
+#endif
 
 void __init efi_free_boot_services(void)
 {
@@ -425,11 +431,19 @@
 		}
 
 		/*
+		* Maxlinear:
+		* Since the memory reserved for efi is used (see efi.c).
+		* This function clears the memory that is no longer used in efi.
+		* Disable this function for puma7 to avoid a panic.
+		*/
+#ifndef CONFIG_X86_PUMA7
+		/*
 		 * Before calling set_virtual_address_map(), EFI boot services
 		 * code/data regions were mapped as a quirk for buggy firmware.
 		 * Unmap them from efi_pgd before freeing them up.
 		 */
 		efi_unmap_pages(md);
+#endif
 
 		/*
 		 * Nasty quirk: if all sub-1MB memory is used for boot