sata_mv: Support SoC controllers

Marvell's Orion SoC includes SATA controllers based on Marvell's
PCI-to-SATA 88SX controllers. This patch extends the libATA sata_mv
driver to support those controllers.

[edited to use linux/ata_platform.h -jg]

Signed-off-by: Saeed Bishara <saeed@marvell.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/include/linux/ata_platform.h b/include/linux/ata_platform.h
index 6a7a92d..b856a2a 100644
--- a/include/linux/ata_platform.h
+++ b/include/linux/ata_platform.h
@@ -1,5 +1,5 @@
-#ifndef __LINUX_PATA_PLATFORM_H
-#define __LINUX_PATA_PLATFORM_H
+#ifndef __LINUX_ATA_PLATFORM_H
+#define __LINUX_ATA_PLATFORM_H
 
 struct pata_platform_info {
 	/*
@@ -24,4 +24,11 @@
 
 extern int __devexit __pata_platform_remove(struct device *dev);
 
-#endif /* __LINUX_PATA_PLATFORM_H */
+/*
+ * Marvell SATA private data
+ */
+struct mv_sata_platform_data {
+	int	n_ports; /* number of sata ports */
+};
+
+#endif /* __LINUX_ATA_PLATFORM_H */