usb: host: ehci-platform: add platform specific power callback

This patch enables to call platform specific power callback function.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/include/linux/usb/ehci_pdriver.h b/include/linux/usb/ehci_pdriver.h
index 1894f42..c9d09f8 100644
--- a/include/linux/usb/ehci_pdriver.h
+++ b/include/linux/usb/ehci_pdriver.h
@@ -41,6 +41,14 @@
 	unsigned	big_endian_mmio:1;
 	unsigned	port_power_on:1;
 	unsigned	port_power_off:1;
+
+	/* Turn on all power and clocks */
+	int (*power_on)(struct platform_device *pdev);
+	/* Turn off all power and clocks */
+	void (*power_off)(struct platform_device *pdev);
+	/* Turn on only VBUS suspend power and hotplug detection,
+	 * turn off everything else */
+	void (*power_suspend)(struct platform_device *pdev);
 };
 
 #endif /* __USB_CORE_EHCI_PDRIVER_H */