v4.19.13 snapshot.
diff --git a/include/linux/ata_platform.h b/include/linux/ata_platform.h
new file mode 100644
index 0000000..ff21202
--- /dev/null
+++ b/include/linux/ata_platform.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LINUX_ATA_PLATFORM_H
+#define __LINUX_ATA_PLATFORM_H
+
+struct pata_platform_info {
+ /*
+ * I/O port shift, for platforms with ports that are
+ * constantly spaced and need larger than the 1-byte
+ * spacing used by ata_std_ports().
+ */
+ unsigned int ioport_shift;
+};
+
+struct scsi_host_template;
+
+extern int __pata_platform_probe(struct device *dev,
+ struct resource *io_res,
+ struct resource *ctl_res,
+ struct resource *irq_res,
+ unsigned int ioport_shift,
+ int __pio_mask,
+ struct scsi_host_template *sht);
+
+/*
+ * Marvell SATA private data
+ */
+struct mv_sata_platform_data {
+ int n_ports; /* number of sata ports */
+};
+
+#endif /* __LINUX_ATA_PLATFORM_H */