ahci_platform: make structs static

These structs are used only for ahci_platform.c, so they should be
static. Thanks to Fengguang for the (automated) suggestion.
Signed-off-by: NBrian Norris <computersforpeace@gmail.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

drivers/ata/ahci_platform.c

@@ -49,12 +49,12 @@ static struct platform_device_id ahci_devtype[] = {
 };
 MODULE_DEVICE_TABLE(platform, ahci_devtype);
 
-struct ata_port_operations ahci_platform_ops = {
+static struct ata_port_operations ahci_platform_ops = {
 	.inherits	= &ahci_ops,
 	.host_stop	= ahci_host_stop,
 };
 
-struct ata_port_operations ahci_platform_retry_srst_ops = {
+static struct ata_port_operations ahci_platform_retry_srst_ops = {
 	.inherits	= &ahci_pmp_retry_srst_ops,
 	.host_stop	= ahci_host_stop,
 };
@@ -323,7 +323,7 @@ disable_unprepare_clk:
 }
 #endif
 
-SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_suspend, ahci_resume);
+static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_suspend, ahci_resume);
 
 static const struct of_device_id ahci_of_match[] = {
 	{ .compatible = "snps,spear-ahci", },