--- zzzz-none-000/linux-4.9.279/include/linux/mmc/host.h	2021-08-08 06:38:54.000000000 +0000
+++ puma7-atom-6591-750/linux-4.9.279/include/linux/mmc/host.h	2023-02-08 11:43:43.000000000 +0000
@@ -96,6 +96,14 @@
 	void	(*pre_req)(struct mmc_host *host, struct mmc_request *req,
 			   bool is_first_req);
 	void	(*request)(struct mmc_host *host, struct mmc_request *req);
+#ifdef CONFIG_TFFS_PANIC_LOG
+	/*
+	 * AVM synchronous read/write support
+	 */
+	int     (*avm_sync_io_init)(struct mmc_host *host);
+	int     (*avm_sync_io_rw_blocks)(struct mmc_host *host, sector_t sect,
+			size_t len, u8 *in, const u8 *out);
+#endif
 
 	/*
 	 * Avoid calling the next three functions too often or in a "fast
@@ -312,6 +320,7 @@
 #define MMC_CAP2_HS400_ES	(1 << 20)	/* Host supports enhanced strobe */
 #define MMC_CAP2_NO_SD		(1 << 21)	/* Do not send SD commands during initialization */
 #define MMC_CAP2_NO_MMC		(1 << 22)	/* Do not send (e)MMC commands during initialization */
+#define MMC_CAP2_NO_SHUTDOWN_BUS (1 << 23)	/* Don't allow shutdown callback for shared mmc.*/
 
 	mmc_pm_flag_t		pm_caps;	/* supported pm features */