diff -drupN a/include/linux/sunxi-panicpart.h b/include/linux/sunxi-panicpart.h
--- a/include/linux/sunxi-panicpart.h	1970-01-01 03:00:00.000000000 +0300
+++ b/include/linux/sunxi-panicpart.h	2022-06-12 05:28:14.000000000 +0300
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __SUNXI_PANICPART_H
+#define __SUNXI_PANICPART_H
+
+#include <linux/types.h>
+
+enum sunxi_flash {
+	SUNXI_FLASH_ERROR = 0,
+	SUNXI_FLASH_MMC,
+	SUNXI_FLASH_NAND,
+	SUNXI_FLASH_NOR,
+};
+
+struct panic_part {
+	enum sunxi_flash type;
+	const char *bdev;
+	size_t start_sect;
+	size_t sects;
+
+	ssize_t (*panic_read)(struct panic_part *part, loff_t sec_off,
+			size_t sec_cnt, char *buf);
+	ssize_t (*panic_write)(struct panic_part *part, loff_t sec_off,
+			size_t sec_cnt, const char *buf);
+
+	void *private;
+};
+
+#ifdef CONFIG_SUNXI_PANICPART
+extern int sunxi_panicpart_init(struct panic_part *part);
+extern int sunxi_parse_blkdev(char *bdev, int len);
+#else
+/*
+ *static int sunxi_panicpart_init(struct panic_part *part)
+ *{
+ *    return -1;
+ *}
+ *
+ *static int sunxi_parse_blkdev(char *bdev, int len)
+ *{
+ *    return -1;
+ *}
+ */
+#endif
+
+#endif