usb: ehci: Split out struct ehci_ctrl definition

Move the struct ehci_ctrl defition from ehci-hcd.c into ehci.h
so it can be re-used by drivers. In particular, the mv_udc driver
can benefit from this move.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Lei Wen <leiwen@marvell.com>
Cc: Otavio Salvador <otavio@ossystems.com.br>
Cc: Stefano Babic <sbabic@denx.de>

drivers/usb/host/ehci-hcd.c

@@ -36,16 +36,7 @@
 #define CONFIG_USB_MAX_CONTROLLER_COUNT 1
 #endif
 
-static struct ehci_ctrl {
-	struct ehci_hccr *hccr;	/* R/O registers, not need for volatile */
-	struct ehci_hcor *hcor;
-	int rootdev;
-	uint16_t portreset;
-	struct QH qh_list __aligned(USB_DMA_MINALIGN);
-	struct QH periodic_queue __aligned(USB_DMA_MINALIGN);
-	uint32_t *periodic_list;
-	int ntds;
-} ehcic[CONFIG_USB_MAX_CONTROLLER_COUNT];
+static struct ehci_ctrl ehcic[CONFIG_USB_MAX_CONTROLLER_COUNT];
 
 #define ALIGN_END_ADDR(type, ptr, size)			\
 	((uint32_t)(ptr) + roundup((size) * sizeof(type), USB_DMA_MINALIGN))

drivers/usb/host/ehci.h

@@ -22,6 +22,8 @@
 #ifndef USB_EHCI_H
 #define USB_EHCI_H
 
+#include <usb.h>
+
 #if !defined(CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS)
 #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	2
 #endif
@@ -252,6 +254,17 @@ struct QH {
 	};
 };
 
+struct ehci_ctrl {
+	struct ehci_hccr *hccr;	/* R/O registers, not need for volatile */
+	struct ehci_hcor *hcor;
+	int rootdev;
+	uint16_t portreset;
+	struct QH qh_list __aligned(USB_DMA_MINALIGN);
+	struct QH periodic_queue __aligned(USB_DMA_MINALIGN);
+	uint32_t *periodic_list;
+	int ntds;
+};
+
 /* Low level init functions */
 int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor);
 int ehci_hcd_stop(int index);