v4.19.13 snapshot.
diff --git a/arch/arm/mach-omap2/hsmmc.h b/arch/arm/mach-omap2/hsmmc.h
new file mode 100644
index 0000000..af9af50
--- /dev/null
+++ b/arch/arm/mach-omap2/hsmmc.h
@@ -0,0 +1,37 @@
+/*
+ * MMC definitions for OMAP2
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+struct mmc_card;
+
+struct omap2_hsmmc_info {
+ u8 mmc; /* controller 1/2/3 */
+ u32 caps; /* 4/8 wires and any additional host
+ * capabilities OR'd (ref. linux/mmc/host.h) */
+ int gpio_cd; /* or -EINVAL */
+ int gpio_wp; /* or -EINVAL */
+ struct platform_device *pdev; /* mmc controller instance */
+ /* init some special card */
+ void (*init_card)(struct mmc_card *card);
+};
+
+#if IS_ENABLED(CONFIG_MMC_OMAP_HS)
+
+void omap_hsmmc_init(struct omap2_hsmmc_info *);
+void omap_hsmmc_late_init(struct omap2_hsmmc_info *);
+
+#else
+
+static inline void omap_hsmmc_init(struct omap2_hsmmc_info *info)
+{
+}
+
+static inline void omap_hsmmc_late_init(struct omap2_hsmmc_info *info)
+{
+}
+
+#endif