[linux-block.git] / drivers / usb / host / ohci-at91.c

/*
 * OHCI HCD (Host Controller Driver) for USB.
 *
 *  Copyright (C) 2004 SAN People (Pty) Ltd.
 *  Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
 *
 * AT91 Bus Glue
 *
 * Based on fragments of 2.4 driver by Rick Bronson.
 * Based on ohci-omap.c
 *
 * This file is licenced under the GPL.
 */

#include <linux/clk.h>
#include <linux/platform_device.h>

#include <mach/hardware.h>
#include <asm/gpio.h>

#include <mach/board.h>
#include <mach/cpu.h>

#ifndef CONFIG_ARCH_AT91
#error "CONFIG_ARCH_AT91 must be defined."
#endif

/* interface and function clocks; sometimes also an AHB clock */
static struct clk *iclk, *fclk, *hclk;
static int clocked;

extern int usb_disabled(void);

/*-------------------------------------------------------------------------*/

static void at91_start_clock(void)
{
	if (cpu_is_at91sam9261())
		clk_enable(hclk);
	clk_enable(iclk);
	clk_enable(fclk);
	clocked = 1;
}

static void at91_stop_clock(void)
{
	clk_disable(fclk);
	clk_disable(iclk);
	if (cpu_is_at91sam9261())
		clk_disable(hclk);
	clocked = 0;
}

static void at91_start_hc(struct platform_device *pdev)
{
	struct usb_hcd *hcd = platform_get_drvdata(pdev);
	struct ohci_regs __iomem *regs = hcd->regs;

	dev_dbg(&pdev->dev, "start\n");

	/*
	 * Start the USB clocks.
	 */
	at91_start_clock();

	/*
	 * The USB host controller must remain in reset.
	 */
	writel(0, &regs->control);
}

static void at91_stop_hc(struct platform_device *pdev)
{
	struct usb_hcd *hcd = platform_get_drvdata(pdev);
	struct ohci_regs __iomem *regs = hcd->regs;

	dev_dbg(&pdev->dev, "stop\n");

	/*
	 * Put the USB host controller into reset.
	 */
	writel(0, &regs->control);

	/*
	 * Stop the USB clocks.
	 */
	at91_stop_clock();
}


/*-------------------------------------------------------------------------*/

static void usb_hcd_at91_remove (struct usb_hcd *, struct platform_device *);

/* configure so an HC device and id are always provided */
/* always called with process context; sleeping is OK */


/**
 * usb_hcd_at91_probe - initialize AT91-based HCDs
 * Context: !in_interrupt()
 *
 * Allocates basic resources for this USB host controller, and
 * then invokes the start() method for the HCD associated with it
 * through the hotplug entry's driver_data.
 */
static int usb_hcd_at91_probe(const struct hc_driver *driver,
			struct platform_device *pdev)
{
	int retval;
	struct usb_hcd *hcd = NULL;

	if (pdev->num_resources != 2) {
		pr_debug("hcd probe: invalid num_resources");
		return -ENODEV;
	}

	if ((pdev->resource[0].flags != IORESOURCE_MEM)
			|| (pdev->resource[1].flags != IORESOURCE_IRQ)) {
		pr_debug("hcd probe: invalid resource type\n");
		return -ENODEV;
	}

	hcd = usb_create_hcd(driver, &pdev->dev, "at91");
	if (!hcd)
		return -ENOMEM;
	hcd->rsrc_start = pdev->resource[0].start;
	hcd->rsrc_len = pdev->resource[0].end - pdev->resource[0].start + 1;

	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
		pr_debug("request_mem_region failed\n");
		retval = -EBUSY;
		goto err1;
	}

	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
	if (!hcd->regs) {
		pr_debug("ioremap failed\n");
		retval = -EIO;
		goto err2;
	}

	iclk = clk_get(&pdev->dev, "ohci_clk");
	fclk = clk_get(&pdev->dev, "uhpck");
	if (cpu_is_at91sam9261())
		hclk = clk_get(&pdev->dev, "hck0");

	at91_start_hc(pdev);
	ohci_hcd_init(hcd_to_ohci(hcd));

	retval = usb_add_hcd(hcd, pdev->resource[1].start, IRQF_SHARED);
	if (retval == 0)
		return retval;

	/* Error handling */
	at91_stop_hc(pdev);

	if (cpu_is_at91sam9261())
		clk_put(hclk);
	clk_put(fclk);
	clk_put(iclk);

	iounmap(hcd->regs);

 err2:
	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);

 err1:
	usb_put_hcd(hcd);
	return retval;
}


/* may be called with controller, bus, and devices active */

/**
 * usb_hcd_at91_remove - shutdown processing for AT91-based HCDs
 * @dev: USB Host Controller being removed
 * Context: !in_interrupt()
 *
 * Reverses the effect of usb_hcd_at91_probe(), first invoking
 * the HCD's stop() method.  It is always called from a thread
 * context, "rmmod" or something similar.
 *
 */
static void usb_hcd_at91_remove(struct usb_hcd *hcd,
				struct platform_device *pdev)
{
	usb_remove_hcd(hcd);
	at91_stop_hc(pdev);
	iounmap(hcd->regs);
	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
	usb_put_hcd(hcd);

	if (cpu_is_at91sam9261())
		clk_put(hclk);
	clk_put(fclk);
	clk_put(iclk);
	fclk = iclk = hclk = NULL;

	dev_set_drvdata(&pdev->dev, NULL);
}

/*-------------------------------------------------------------------------*/

static int __devinit
ohci_at91_start (struct usb_hcd *hcd)
{
	struct at91_usbh_data	*board = hcd->self.controller->platform_data;
	struct ohci_hcd		*ohci = hcd_to_ohci (hcd);
	int			ret;

	if ((ret = ohci_init(ohci)) < 0)
		return ret;

	ohci->num_ports = board->ports;

	if ((ret = ohci_run(ohci)) < 0) {
		err("can't start %s", hcd->self.bus_name);
		ohci_stop(hcd);
		return ret;
	}
	return 0;
}

/*-------------------------------------------------------------------------*/

static const struct hc_driver ohci_at91_hc_driver = {
	.description =		hcd_name,
	.product_desc =		"AT91 OHCI",
	.hcd_priv_size =	sizeof(struct ohci_hcd),

	/*
	 * generic hardware linkage
	 */
	.irq =			ohci_irq,
	.flags =		HCD_USB11 | HCD_MEMORY,

	/*
	 * basic lifecycle operations
	 */
	.start =		ohci_at91_start,
	.stop =			ohci_stop,
	.shutdown =		ohci_shutdown,

	/*
	 * managing i/o requests and associated device resources
	 */
	.urb_enqueue =		ohci_urb_enqueue,
	.urb_dequeue =		ohci_urb_dequeue,
	.endpoint_disable =	ohci_endpoint_disable,

	/*
	 * scheduling support
	 */
	.get_frame_number =	ohci_get_frame,

	/*
	 * root hub support
	 */
	.hub_status_data =	ohci_hub_status_data,
	.hub_control =		ohci_hub_control,
#ifdef CONFIG_PM
	.bus_suspend =		ohci_bus_suspend,
	.bus_resume =		ohci_bus_resume,
#endif
	.start_port_reset =	ohci_start_port_reset,
};

/*-------------------------------------------------------------------------*/

static int ohci_hcd_at91_drv_probe(struct platform_device *pdev)
{
	struct at91_usbh_data	*pdata = pdev->dev.platform_data;
	int			i;

	if (pdata) {
		/* REVISIT make the driver support per-port power switching,
		 * and also overcurrent detection.  Here we assume the ports
		 * are always powered while this driver is active, and use
		 * active-low power switches.
		 */
		for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) {
			if (pdata->vbus_pin[i] <= 0)
				continue;
			gpio_request(pdata->vbus_pin[i], "ohci_vbus");
			gpio_direction_output(pdata->vbus_pin[i], 0);
		}
	}

	device_init_wakeup(&pdev->dev, 1);
	return usb_hcd_at91_probe(&ohci_at91_hc_driver, pdev);
}

static int ohci_hcd_at91_drv_remove(struct platform_device *pdev)
{
	struct at91_usbh_data	*pdata = pdev->dev.platform_data;
	int			i;

	if (pdata) {
		for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) {
			if (pdata->vbus_pin[i] <= 0)
				continue;
			gpio_direction_output(pdata->vbus_pin[i], 1);
			gpio_free(pdata->vbus_pin[i]);
		}
	}

	device_init_wakeup(&pdev->dev, 0);
	usb_hcd_at91_remove(platform_get_drvdata(pdev), pdev);
	return 0;
}

#ifdef CONFIG_PM

static int
ohci_hcd_at91_drv_suspend(struct platform_device *pdev, pm_message_t mesg)
{
	struct usb_hcd	*hcd = platform_get_drvdata(pdev);
	struct ohci_hcd	*ohci = hcd_to_ohci(hcd);

	if (device_may_wakeup(&pdev->dev))
		enable_irq_wake(hcd->irq);

	/*
	 * The integrated transceivers seem unable to notice disconnect,
	 * reconnect, or wakeup without the 48 MHz clock active.  so for
	 * correctness, always discard connection state (using reset).
	 *
	 * REVISIT: some boards will be able to turn VBUS off...
	 */
	if (at91_suspend_entering_slow_clock()) {
		ohci_usb_reset (ohci);
		at91_stop_clock();
	}

	return 0;
}

static int ohci_hcd_at91_drv_resume(struct platform_device *pdev)
{
	struct usb_hcd	*hcd = platform_get_drvdata(pdev);

	if (device_may_wakeup(&pdev->dev))
		disable_irq_wake(hcd->irq);

	if (!clocked)
		at91_start_clock();

	ohci_finish_controller_resume(hcd);
	return 0;
}
#else
#define ohci_hcd_at91_drv_suspend NULL
#define ohci_hcd_at91_drv_resume  NULL
#endif

MODULE_ALIAS("platform:at91_ohci");

static struct platform_driver ohci_hcd_at91_driver = {
	.probe		= ohci_hcd_at91_drv_probe,
	.remove		= ohci_hcd_at91_drv_remove,
	.shutdown	= usb_hcd_platform_shutdown,
	.suspend	= ohci_hcd_at91_drv_suspend,
	.resume		= ohci_hcd_at91_drv_resume,
	.driver		= {
		.name	= "at91_ohci",
		.owner	= THIS_MODULE,
	},
};
Commit	Line	Data
39a269c0 AV	1	/*
	2	* OHCI HCD (Host Controller Driver) for USB.
	3	*
	4	* Copyright (C) 2004 SAN People (Pty) Ltd.
	5	* Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
	6	*
0365ee0a	7	* AT91 Bus Glue
39a269c0 AV	8	*
	9	* Based on fragments of 2.4 driver by Rick Bronson.
	10	* Based on ohci-omap.c
	11	*
	12	* This file is licenced under the GPL.
	13	*/
	14
	15	#include <linux/clk.h>
	16	#include <linux/platform_device.h>
	17
a09e64fb	18	#include <mach/hardware.h>
4bde4a4c DB	19	#include <asm/gpio.h>
4bde4a4c DB	20
a09e64fb RK	21	#include <mach/board.h>
a09e64fb RK	22	#include <mach/cpu.h>
39a269c0	23
0365ee0a DB	24	#ifndef CONFIG_ARCH_AT91
0365ee0a DB	25	#error "CONFIG_ARCH_AT91 must be defined."
39a269c0 AV	26	#endif
39a269c0 AV	27
ed077bb7 AV	28	/* interface and function clocks; sometimes also an AHB clock */
ed077bb7 AV	29	static struct clk iclk, fclk, *hclk;
0365ee0a	30	static int clocked;
39a269c0 AV	31
	32	extern int usb_disabled(void);
	33
	34	/-------------------------------------------------------------------------/
	35
ed077bb7 AV	36	static void at91_start_clock(void)
	37	{
	38	if (cpu_is_at91sam9261())
	39	clk_enable(hclk);
	40	clk_enable(iclk);
	41	clk_enable(fclk);
	42	clocked = 1;
	43	}
	44
	45	static void at91_stop_clock(void)
	46	{
	47	clk_disable(fclk);
	48	clk_disable(iclk);
	49	if (cpu_is_at91sam9261())
	50	clk_disable(hclk);
	51	clocked = 0;
	52	}
	53
39a269c0 AV	54	static void at91_start_hc(struct platform_device *pdev)
	55	{
	56	struct usb_hcd *hcd = platform_get_drvdata(pdev);
	57	struct ohci_regs __iomem *regs = hcd->regs;
	58
0365ee0a	59	dev_dbg(&pdev->dev, "start\n");
39a269c0 AV	60
	61	/*
	62	* Start the USB clocks.
	63	*/
ed077bb7	64	at91_start_clock();
39a269c0 AV	65
	66	/*
	67	* The USB host controller must remain in reset.
	68	*/
	69	writel(0, &regs->control);
	70	}
	71
	72	static void at91_stop_hc(struct platform_device *pdev)
	73	{
	74	struct usb_hcd *hcd = platform_get_drvdata(pdev);
	75	struct ohci_regs __iomem *regs = hcd->regs;
	76
0365ee0a	77	dev_dbg(&pdev->dev, "stop\n");
39a269c0 AV	78
	79	/*
	80	* Put the USB host controller into reset.
	81	*/
	82	writel(0, &regs->control);
	83
	84	/*
	85	* Stop the USB clocks.
	86	*/
ed077bb7	87	at91_stop_clock();
39a269c0 AV	88	}
	89
	90
	91	/-------------------------------------------------------------------------/
	92
421b4bf5	93	static void usb_hcd_at91_remove (struct usb_hcd , struct platform_device );
39a269c0 AV	94
	95	/* configure so an HC device and id are always provided */
	96	/* always called with process context; sleeping is OK */
	97
	98
	99	/**
0365ee0a	100	* usb_hcd_at91_probe - initialize AT91-based HCDs
39a269c0 AV	101	* Context: !in_interrupt()
	102	*
	103	* Allocates basic resources for this USB host controller, and
	104	* then invokes the start() method for the HCD associated with it
	105	* through the hotplug entry's driver_data.
39a269c0	106	*/
0365ee0a DB	107	static int usb_hcd_at91_probe(const struct hc_driver *driver,
0365ee0a DB	108	struct platform_device *pdev)
39a269c0 AV	109	{
	110	int retval;
	111	struct usb_hcd *hcd = NULL;
	112
	113	if (pdev->num_resources != 2) {
	114	pr_debug("hcd probe: invalid num_resources");
	115	return -ENODEV;
	116	}
	117
0365ee0a DB	118	if ((pdev->resource[0].flags != IORESOURCE_MEM)
0365ee0a DB	119	\|\| (pdev->resource[1].flags != IORESOURCE_IRQ)) {
39a269c0 AV	120	pr_debug("hcd probe: invalid resource type\n");
	121	return -ENODEV;
	122	}
	123
0365ee0a	124	hcd = usb_create_hcd(driver, &pdev->dev, "at91");
39a269c0 AV	125	if (!hcd)
	126	return -ENOMEM;
	127	hcd->rsrc_start = pdev->resource[0].start;
	128	hcd->rsrc_len = pdev->resource[0].end - pdev->resource[0].start + 1;
	129
	130	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
	131	pr_debug("request_mem_region failed\n");
	132	retval = -EBUSY;
	133	goto err1;
	134	}
	135
	136	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
	137	if (!hcd->regs) {
	138	pr_debug("ioremap failed\n");
	139	retval = -EIO;
	140	goto err2;
	141	}
	142
	143	iclk = clk_get(&pdev->dev, "ohci_clk");
	144	fclk = clk_get(&pdev->dev, "uhpck");
ed077bb7 AV	145	if (cpu_is_at91sam9261())
ed077bb7 AV	146	hclk = clk_get(&pdev->dev, "hck0");
39a269c0 AV	147
	148	at91_start_hc(pdev);
	149	ohci_hcd_init(hcd_to_ohci(hcd));
	150
2f2cac3c	151	retval = usb_add_hcd(hcd, pdev->resource[1].start, IRQF_SHARED);
39a269c0 AV	152	if (retval == 0)
	153	return retval;
	154
	155	/* Error handling */
	156	at91_stop_hc(pdev);
	157
ed077bb7 AV	158	if (cpu_is_at91sam9261())
ed077bb7 AV	159	clk_put(hclk);
39a269c0 AV	160	clk_put(fclk);
	161	clk_put(iclk);
	162
	163	iounmap(hcd->regs);
	164
	165	err2:
	166	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
	167
	168	err1:
	169	usb_put_hcd(hcd);
	170	return retval;
	171	}
	172
	173
39a269c0 AV	174	/* may be called with controller, bus, and devices active */
	175
	176	/**
0365ee0a	177	* usb_hcd_at91_remove - shutdown processing for AT91-based HCDs
39a269c0 AV	178	* @dev: USB Host Controller being removed
	179	* Context: !in_interrupt()
	180	*
	181	* Reverses the effect of usb_hcd_at91_probe(), first invoking
	182	* the HCD's stop() method. It is always called from a thread
0365ee0a	183	* context, "rmmod" or something similar.
39a269c0 AV	184	*
39a269c0 AV	185	*/
421b4bf5	186	static void usb_hcd_at91_remove(struct usb_hcd *hcd,
0365ee0a	187	struct platform_device *pdev)
39a269c0 AV	188	{
	189	usb_remove_hcd(hcd);
	190	at91_stop_hc(pdev);
	191	iounmap(hcd->regs);
68ba61b8	192	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
421b4bf5	193	usb_put_hcd(hcd);
39a269c0	194
ed077bb7 AV	195	if (cpu_is_at91sam9261())
ed077bb7 AV	196	clk_put(hclk);
68ba61b8 DB	197	clk_put(fclk);
68ba61b8 DB	198	clk_put(iclk);
ed077bb7	199	fclk = iclk = hclk = NULL;
39a269c0 AV	200
39a269c0 AV	201	dev_set_drvdata(&pdev->dev, NULL);
39a269c0 AV	202	}
	203
	204	/-------------------------------------------------------------------------/
	205
	206	static int __devinit
	207	ohci_at91_start (struct usb_hcd *hcd)
	208	{
0365ee0a	209	struct at91_usbh_data *board = hcd->self.controller->platform_data;
39a269c0 AV	210	struct ohci_hcd *ohci = hcd_to_ohci (hcd);
	211	int ret;
	212
	213	if ((ret = ohci_init(ohci)) < 0)
	214	return ret;
	215
cd22afda	216	ohci->num_ports = board->ports;
0365ee0a	217
39a269c0 AV	218	if ((ret = ohci_run(ohci)) < 0) {
	219	err("can't start %s", hcd->self.bus_name);
	220	ohci_stop(hcd);
	221	return ret;
	222	}
39a269c0 AV	223	return 0;
	224	}
	225
	226	/-------------------------------------------------------------------------/
	227
	228	static const struct hc_driver ohci_at91_hc_driver = {
	229	.description = hcd_name,
0365ee0a	230	.product_desc = "AT91 OHCI",
39a269c0 AV	231	.hcd_priv_size = sizeof(struct ohci_hcd),
	232
	233	/*
	234	* generic hardware linkage
	235	*/
	236	.irq = ohci_irq,
	237	.flags = HCD_USB11 \| HCD_MEMORY,
	238
	239	/*
	240	* basic lifecycle operations
	241	*/
	242	.start = ohci_at91_start,
	243	.stop = ohci_stop,
dd9048af	244	.shutdown = ohci_shutdown,
39a269c0 AV	245
	246	/*
	247	* managing i/o requests and associated device resources
	248	*/
	249	.urb_enqueue = ohci_urb_enqueue,
	250	.urb_dequeue = ohci_urb_dequeue,
	251	.endpoint_disable = ohci_endpoint_disable,
	252
	253	/*
	254	* scheduling support
	255	*/
	256	.get_frame_number = ohci_get_frame,
	257
	258	/*
	259	* root hub support
	260	*/
	261	.hub_status_data = ohci_hub_status_data,
	262	.hub_control = ohci_hub_control,
39a269c0	263	#ifdef CONFIG_PM
68ba61b8 DB	264	.bus_suspend = ohci_bus_suspend,
68ba61b8 DB	265	.bus_resume = ohci_bus_resume,
39a269c0 AV	266	#endif
	267	.start_port_reset = ohci_start_port_reset,
	268	};
	269
	270	/-------------------------------------------------------------------------/
	271
0365ee0a	272	static int ohci_hcd_at91_drv_probe(struct platform_device *pdev)
39a269c0	273	{
4bde4a4c DB	274	struct at91_usbh_data *pdata = pdev->dev.platform_data;
	275	int i;
	276
	277	if (pdata) {
	278	/* REVISIT make the driver support per-port power switching,
	279	* and also overcurrent detection. Here we assume the ports
	280	* are always powered while this driver is active, and use
	281	* active-low power switches.
	282	*/
3d6fdf75	283	for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) {
4bde4a4c DB	284	if (pdata->vbus_pin[i] <= 0)
	285	continue;
	286	gpio_request(pdata->vbus_pin[i], "ohci_vbus");
	287	gpio_direction_output(pdata->vbus_pin[i], 0);
	288	}
	289	}
	290
0365ee0a DB	291	device_init_wakeup(&pdev->dev, 1);
0365ee0a DB	292	return usb_hcd_at91_probe(&ohci_at91_hc_driver, pdev);
39a269c0 AV	293	}
39a269c0 AV	294
0365ee0a	295	static int ohci_hcd_at91_drv_remove(struct platform_device *pdev)
39a269c0	296	{
4bde4a4c DB	297	struct at91_usbh_data *pdata = pdev->dev.platform_data;
	298	int i;
	299
	300	if (pdata) {
3d6fdf75	301	for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) {
4bde4a4c DB	302	if (pdata->vbus_pin[i] <= 0)
	303	continue;
	304	gpio_direction_output(pdata->vbus_pin[i], 1);
	305	gpio_free(pdata->vbus_pin[i]);
	306	}
	307	}
	308
0365ee0a	309	device_init_wakeup(&pdev->dev, 0);
421b4bf5 PZ	310	usb_hcd_at91_remove(platform_get_drvdata(pdev), pdev);
421b4bf5 PZ	311	return 0;
39a269c0 AV	312	}
	313
	314	#ifdef CONFIG_PM
39a269c0	315
68ba61b8	316	static int
0365ee0a	317	ohci_hcd_at91_drv_suspend(struct platform_device *pdev, pm_message_t mesg)
68ba61b8	318	{
0365ee0a DB	319	struct usb_hcd *hcd = platform_get_drvdata(pdev);
	320	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
	321
	322	if (device_may_wakeup(&pdev->dev))
	323	enable_irq_wake(hcd->irq);
0365ee0a DB	324
	325	/*
	326	* The integrated transceivers seem unable to notice disconnect,
	327	* reconnect, or wakeup without the 48 MHz clock active. so for
	328	* correctness, always discard connection state (using reset).
	329	*
	330	* REVISIT: some boards will be able to turn VBUS off...
	331	*/
	332	if (at91_suspend_entering_slow_clock()) {
	333	ohci_usb_reset (ohci);
ed077bb7	334	at91_stop_clock();
0365ee0a	335	}
39a269c0 AV	336
	337	return 0;
	338	}
	339
0365ee0a	340	static int ohci_hcd_at91_drv_resume(struct platform_device *pdev)
39a269c0	341	{
6dde896e MP	342	struct usb_hcd *hcd = platform_get_drvdata(pdev);
	343
	344	if (device_may_wakeup(&pdev->dev))
	345	disable_irq_wake(hcd->irq);
	346
ed077bb7 AV	347	if (!clocked)
ed077bb7 AV	348	at91_start_clock();
39a269c0	349
43bbb7e0	350	ohci_finish_controller_resume(hcd);
39a269c0 AV	351	return 0;
	352	}
	353	#else
	354	#define ohci_hcd_at91_drv_suspend NULL
	355	#define ohci_hcd_at91_drv_resume NULL
	356	#endif
	357
f4fce61d	358	MODULE_ALIAS("platform:at91_ohci");
68ba61b8	359
39a269c0 AV	360	static struct platform_driver ohci_hcd_at91_driver = {
	361	.probe = ohci_hcd_at91_drv_probe,
	362	.remove = ohci_hcd_at91_drv_remove,
64a21d02	363	.shutdown = usb_hcd_platform_shutdown,
39a269c0 AV	364	.suspend = ohci_hcd_at91_drv_suspend,
	365	.resume = ohci_hcd_at91_drv_resume,
	366	.driver = {
0365ee0a	367	.name = "at91_ohci",
39a269c0 AV	368	.owner = THIS_MODULE,
	369	},
	370	};