Release 4.7 drivers/usb/musb/omap2430.c
  
  
/*
 * Copyright (C) 2005-2007 by Texas Instruments
 * Some code has been taken from tusb6010.c
 * Copyrights for that are attributable to:
 * Copyright (C) 2006 Nokia Corporation
 * Tony Lindgren <tony@atomide.com>
 *
 * This file is part of the Inventra Controller Driver for Linux.
 *
 * The Inventra Controller Driver for Linux is free software; you
 * can redistribute it and/or modify it under the terms of the GNU
 * General Public License version 2 as published by the Free Software
 * Foundation.
 *
 * The Inventra Controller Driver for Linux is distributed in
 * the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
 * License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with The Inventra Controller Driver for Linux ; if not,
 * write to the Free Software Foundation, Inc., 59 Temple Place,
 * Suite 330, Boston, MA  02111-1307  USA
 *
 */
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/pm_runtime.h>
#include <linux/err.h>
#include <linux/delay.h>
#include <linux/usb/musb.h>
#include <linux/phy/omap_control_phy.h>
#include <linux/of_platform.h>
#include "musb_core.h"
#include "omap2430.h"
struct omap2430_glue {
	
struct device		*dev;
	
struct platform_device	*musb;
	
enum musb_vbus_id_status status;
	
struct work_struct	omap_musb_mailbox_work;
	
struct device		*control_otghs;
	
bool			cable_connected;
	
bool			enabled;
	
bool			powered;
};
#define glue_to_musb(g)		platform_get_drvdata(g->musb)
static struct omap2430_glue	*_glue;
static void omap2430_musb_set_vbus(struct musb *musb, int is_on)
{
	struct usb_otg	*otg = musb->xceiv->otg;
	u8		devctl;
	unsigned long timeout = jiffies + msecs_to_jiffies(1000);
	/* HDRC controls CPEN, but beware current surges during device
         * connect.  They can trigger transient overcurrent conditions
         * that must be ignored.
         */
	devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
	if (is_on) {
		if (musb->xceiv->otg->state == OTG_STATE_A_IDLE) {
			int loops = 100;
			/* start the session */
			devctl |= MUSB_DEVCTL_SESSION;
			musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
			/*
                         * Wait for the musb to set as A device to enable the
                         * VBUS
                         */
			while (musb_readb(musb->mregs, MUSB_DEVCTL) &
			       MUSB_DEVCTL_BDEVICE) {
				mdelay(5);
				cpu_relax();
				if (time_after(jiffies, timeout)
				    || loops-- <= 0) {
					dev_err(musb->controller,
					"configured as A device timeout");
					break;
				}
			}
			otg_set_vbus(otg, 1);
		} else {
			musb->is_active = 1;
			otg->default_a = 1;
			musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE;
			devctl |= MUSB_DEVCTL_SESSION;
			MUSB_HST_MODE(musb);
		}
	} else {
		musb->is_active = 0;
		/* NOTE:  we're skipping A_WAIT_VFALL -> A_IDLE and
                 * jumping right to B_IDLE...
                 */
		otg->default_a = 0;
		musb->xceiv->otg->state = OTG_STATE_B_IDLE;
		devctl &= ~MUSB_DEVCTL_SESSION;
		MUSB_DEV_MODE(musb);
	}
	musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
	dev_dbg(musb->controller, "VBUS %s, devctl %02x "
		/* otg %3x conf %08x prcm %08x */ "\n",
		usb_otg_state_string(musb->xceiv->otg->state),
		musb_readb(musb->mregs, MUSB_DEVCTL));
}
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| antoine tenart | antoine tenart | 8 | 3.07% | 1 | 8.33% | 
| david brownell | david brownell | 4 | 1.53% | 1 | 8.33% | 
| anatolij gustschin | anatolij gustschin | 4 | 1.53% | 1 | 8.33% | 
| sergei shtylyov | sergei shtylyov | 1 | 0.38% | 1 | 8.33% | 
 | Total | 261 | 100.00% | 12 | 100.00% | 
static inline void omap2430_low_level_exit(struct musb *musb)
{
	u32 l;
	/* in any role */
	l = musb_readl(musb->mregs, OTG_FORCESTDBY);
	l |= ENABLEFORCE;	/* enable MSTANDBY */
	musb_writel(musb->mregs, OTG_FORCESTDBY, l);
}
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 | Total | 43 | 100.00% | 1 | 100.00% | 
static inline void omap2430_low_level_init(struct musb *musb)
{
	u32 l;
	l = musb_readl(musb->mregs, OTG_FORCESTDBY);
	l &= ~ENABLEFORCE;	/* disable MSTANDBY */
	musb_writel(musb->mregs, OTG_FORCESTDBY, l);
}
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| felipe balbi | felipe balbi | 43 | 100.00% | 1 | 100.00% | 
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/*
 * We can get multiple cable events so we need to keep track
 * of the power state. Only keep power enabled if USB cable is
 * connected and a gadget is started.
 */
static void omap2430_set_power(struct musb *musb, bool enabled, bool cable)
{
	struct device *dev = musb->controller;
	struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
	bool power_up;
	int res;
	if (glue->enabled != enabled)
		glue->enabled = enabled;
	if (glue->cable_connected != cable)
		glue->cable_connected = cable;
	power_up = glue->enabled && glue->cable_connected;
	if (power_up == glue->powered) {
		dev_warn(musb->controller, "power state already %i\n",
			 power_up);
		return;
	}
	glue->powered = power_up;
	if (power_up) {
		res = pm_runtime_get_sync(musb->controller);
		if (res < 0) {
			dev_err(musb->controller, "could not enable: %i", res);
			glue->powered = false;
		}
	} else {
		pm_runtime_mark_last_busy(musb->controller);
		pm_runtime_put_autosuspend(musb->controller);
	}
}
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 | Total | 167 | 100.00% | 1 | 100.00% | 
static int omap2430_musb_mailbox(enum musb_vbus_id_status status)
{
	struct omap2430_glue	*glue = _glue;
	if (!glue) {
		pr_err("%s: musb core is not yet initialized\n", __func__);
		return -EPROBE_DEFER;
	}
	glue->status = status;
	if (!glue_to_musb(glue)) {
		pr_err("%s: musb core is not yet ready\n", __func__);
		return -EPROBE_DEFER;
	}
	schedule_work(&glue->omap_musb_mailbox_work);
	return 0;
}
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| aaro koskinen | aaro koskinen | 25 | 34.25% | 2 | 25.00% | 
| kishon vijay abraham i | kishon vijay abraham i | 18 | 24.66% | 2 | 25.00% | 
| tony lindgren | tony lindgren | 15 | 20.55% | 2 | 25.00% | 
| vikram pandita | vikram pandita | 9 | 12.33% | 1 | 12.50% | 
| hema kalliguddi | hema kalliguddi | 6 | 8.22% | 1 | 12.50% | 
 | Total | 73 | 100.00% | 8 | 100.00% | 
static void omap_musb_set_mailbox(struct omap2430_glue *glue)
{
	struct musb *musb = glue_to_musb(glue);
	struct device *dev = musb->controller;
	struct musb_hdrc_platform_data *pdata = dev_get_platdata(dev);
	struct omap_musb_board_data *data = pdata->board_data;
	struct usb_otg *otg = musb->xceiv->otg;
	bool cable_connected;
	cable_connected = ((glue->status == MUSB_ID_GROUND) ||
			   (glue->status == MUSB_VBUS_VALID));
	if (cable_connected)
		omap2430_set_power(musb, glue->enabled, cable_connected);
	switch (glue->status) {
	case MUSB_ID_GROUND:
		dev_dbg(dev, "ID GND\n");
		otg->default_a = true;
		musb->xceiv->otg->state = OTG_STATE_A_IDLE;
		musb->xceiv->last_event = USB_EVENT_ID;
		if (musb->gadget_driver) {
			omap_control_usb_set_mode(glue->control_otghs,
				USB_MODE_HOST);
			omap2430_musb_set_vbus(musb, 1);
		}
		break;
	case MUSB_VBUS_VALID:
		dev_dbg(dev, "VBUS Connect\n");
		otg->default_a = false;
		musb->xceiv->otg->state = OTG_STATE_B_IDLE;
		musb->xceiv->last_event = USB_EVENT_VBUS;
		omap_control_usb_set_mode(glue->control_otghs, USB_MODE_DEVICE);
		break;
	case MUSB_ID_FLOAT:
	case MUSB_VBUS_OFF:
		dev_dbg(dev, "VBUS Disconnect\n");
		musb->xceiv->last_event = USB_EVENT_NONE;
		if (musb->gadget_driver)
			omap2430_musb_set_vbus(musb, 0);
		if (data->interface_type == MUSB_INTERFACE_UTMI)
			otg_set_vbus(musb->xceiv->otg, 0);
		omap_control_usb_set_mode(glue->control_otghs,
			USB_MODE_DISCONNECT);
		break;
	default:
		dev_dbg(dev, "ID float\n");
	}
	if (!cable_connected)
		omap2430_set_power(musb, glue->enabled, cable_connected);
	atomic_notifier_call_chain(&musb->xceiv->notifier,
			musb->xceiv->last_event, NULL);
}
Contributors
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| hema kalliguddi | hema kalliguddi | 108 | 34.39% | 2 | 12.50% | 
| kishon vijay abraham i | kishon vijay abraham i | 102 | 32.48% | 5 | 31.25% | 
| tony lindgren | tony lindgren | 58 | 18.47% | 2 | 12.50% | 
| pali rohar | pali rohar | 18 | 5.73% | 1 | 6.25% | 
| vikram pandita | vikram pandita | 8 | 2.55% | 1 | 6.25% | 
| grazvydas ignotas | grazvydas ignotas | 7 | 2.23% | 1 | 6.25% | 
| antoine tenart | antoine tenart | 4 | 1.27% | 1 | 6.25% | 
| felipe balbi | felipe balbi | 4 | 1.27% | 1 | 6.25% | 
| jingoo han | jingoo han | 3 | 0.96% | 1 | 6.25% | 
| heikki krogerus | heikki krogerus | 2 | 0.64% | 1 | 6.25% | 
 | Total | 314 | 100.00% | 16 | 100.00% | 
static void omap_musb_mailbox_work(struct work_struct *mailbox_work)
{
	struct omap2430_glue *glue = container_of(mailbox_work,
				struct omap2430_glue, omap_musb_mailbox_work);
	omap_musb_set_mailbox(glue);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| kishon vijay abraham i | kishon vijay abraham i | 31 | 100.00% | 1 | 100.00% | 
 | Total | 31 | 100.00% | 1 | 100.00% | 
static irqreturn_t omap2430_musb_interrupt(int irq, void *__hci)
{
	unsigned long   flags;
	irqreturn_t     retval = IRQ_NONE;
	struct musb     *musb = __hci;
	spin_lock_irqsave(&musb->lock, flags);
	musb->int_usb = musb_readb(musb->mregs, MUSB_INTRUSB);
	musb->int_tx = musb_readw(musb->mregs, MUSB_INTRTX);
	musb->int_rx = musb_readw(musb->mregs, MUSB_INTRRX);
	if (musb->int_usb || musb->int_tx || musb->int_rx)
		retval = musb_interrupt(musb);
	spin_unlock_irqrestore(&musb->lock, flags);
	return retval;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| philippe de swert | philippe de swert | 112 | 100.00% | 1 | 100.00% | 
 | Total | 112 | 100.00% | 1 | 100.00% | 
static int omap2430_musb_init(struct musb *musb)
{
	u32 l;
	int status = 0;
	struct device *dev = musb->controller;
	struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
	struct musb_hdrc_platform_data *plat = dev_get_platdata(dev);
	struct omap_musb_board_data *data = plat->board_data;
	/* We require some kind of external transceiver, hooked
         * up through ULPI.  TWL4030-family PMICs include one,
         * which needs a driver, drivers aren't always needed.
         */
	if (dev->parent->of_node) {
		musb->phy = devm_phy_get(dev->parent, "usb2-phy");
		/* We can't totally remove musb->xceiv as of now because
                 * musb core uses xceiv.state and xceiv.otg. Once we have
                 * a separate state machine to handle otg, these can be moved
                 * out of xceiv and then we can start using the generic PHY
                 * framework
                 */
		musb->xceiv = devm_usb_get_phy_by_phandle(dev->parent,
		    "usb-phy", 0);
	} else {
		musb->xceiv = devm_usb_get_phy_dev(dev, 0);
		musb->phy = devm_phy_get(dev, "usb");
	}
	if (IS_ERR(musb->xceiv)) {
		status = PTR_ERR(musb->xceiv);
		if (status == -ENXIO)
			return status;
		pr_err("HS USB OTG: no transceiver configured\n");
		return -EPROBE_DEFER;
	}
	if (IS_ERR(musb->phy)) {
		pr_err("HS USB OTG: no PHY configured\n");
		return PTR_ERR(musb->phy);
	}
	musb->isr = omap2430_musb_interrupt;
	phy_init(musb->phy);
	l = musb_readl(musb->mregs, OTG_INTERFSEL);
	if (data->interface_type == MUSB_INTERFACE_UTMI) {
		/* OMAP4 uses Internal PHY GS70 which uses UTMI interface */
		l &= ~ULPI_12PIN;       /* Disable ULPI */
		l |= UTMI_8BIT;         /* Enable UTMI  */
	} else {
		l |= ULPI_12PIN;
	}
	musb_writel(musb->mregs, OTG_INTERFSEL, l);
	pr_debug("HS USB OTG: revision 0x%x, sysconfig 0x%02x, "
			"sysstatus 0x%x, intrfsel 0x%x, simenable  0x%x\n",
			musb_readl(musb->mregs, OTG_REVISION),
			musb_readl(musb->mregs, OTG_SYSCONFIG),
			musb_readl(musb->mregs, OTG_SYSSTATUS),
			musb_readl(musb->mregs, OTG_INTERFSEL),
			musb_readl(musb->mregs, OTG_SIMENABLE));
	if (glue->status != MUSB_UNKNOWN)
		omap_musb_set_mailbox(glue);
	return 0;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| felipe balbi | felipe balbi | 114 | 35.85% | 4 | 19.05% | 
| kishon vijay abraham i | kishon vijay abraham i | 109 | 34.28% | 7 | 33.33% | 
| maulik mankad | maulik mankad | 32 | 10.06% | 1 | 4.76% | 
| david brownell | david brownell | 22 | 6.92% | 1 | 4.76% | 
| hema kalliguddi | hema kalliguddi | 21 | 6.60% | 2 | 9.52% | 
| tony lindgren | tony lindgren | 8 | 2.52% | 2 | 9.52% | 
| philippe de swert | philippe de swert | 6 | 1.89% | 1 | 4.76% | 
| jingoo han | jingoo han | 3 | 0.94% | 1 | 4.76% | 
| shubhrajyoti datta | shubhrajyoti datta | 2 | 0.63% | 1 | 4.76% | 
| ming lei | ming lei | 1 | 0.31% | 1 | 4.76% | 
 | Total | 318 | 100.00% | 21 | 100.00% | 
static void omap2430_musb_enable(struct musb *musb)
{
	u8		devctl;
	unsigned long timeout = jiffies + msecs_to_jiffies(1000);
	struct device *dev = musb->controller;
	struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
	struct musb_hdrc_platform_data *pdata = dev_get_platdata(dev);
	struct omap_musb_board_data *data = pdata->board_data;
	if (!WARN_ON(!musb->phy))
		phy_power_on(musb->phy);
	omap2430_set_power(musb, true, glue->cable_connected);
	switch (glue->status) {
	case MUSB_ID_GROUND:
		omap_control_usb_set_mode(glue->control_otghs, USB_MODE_HOST);
		if (data->interface_type != MUSB_INTERFACE_UTMI)
			break;
		devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
		/* start the session */
		devctl |= MUSB_DEVCTL_SESSION;
		musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
		while (musb_readb(musb->mregs, MUSB_DEVCTL) &
				MUSB_DEVCTL_BDEVICE) {
			cpu_relax();
			if (time_after(jiffies, timeout)) {
				dev_err(dev, "configured as A device timeout");
				break;
			}
		}
		break;
	case MUSB_VBUS_VALID:
		omap_control_usb_set_mode(glue->control_otghs, USB_MODE_DEVICE);
		break;
	default:
		break;
	}
}
Contributors
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| hema kalliguddi | hema kalliguddi | 125 | 61.58% | 2 | 13.33% | 
| tony lindgren | tony lindgren | 31 | 15.27% | 3 | 20.00% | 
| kishon vijay abraham i | kishon vijay abraham i | 26 | 12.81% | 3 | 20.00% | 
| felipe balbi | felipe balbi | 9 | 4.43% | 3 | 20.00% | 
| ajay kumar gupta | ajay kumar gupta | 4 | 1.97% | 1 | 6.67% | 
| jingoo han | jingoo han | 3 | 1.48% | 1 | 6.67% | 
| felipe contreras | felipe contreras | 3 | 1.48% | 1 | 6.67% | 
| johan hovold | johan hovold | 2 | 0.99% | 1 | 6.67% | 
 | Total | 203 | 100.00% | 15 | 100.00% | 
static void omap2430_musb_disable(struct musb *musb)
{
	struct device *dev = musb->controller;
	struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
	if (!WARN_ON(!musb->phy))
		phy_power_off(musb->phy);
	if (glue->status != MUSB_UNKNOWN)
		omap_control_usb_set_mode(glue->control_otghs,
			USB_MODE_DISCONNECT);
	omap2430_set_power(musb, false, glue->cable_connected);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| kishon vijay abraham i | kishon vijay abraham i | 30 | 38.46% | 3 | 37.50% | 
| tony lindgren | tony lindgren | 30 | 38.46% | 3 | 37.50% | 
| hema kalliguddi | hema kalliguddi | 15 | 19.23% | 1 | 12.50% | 
| felipe balbi | felipe balbi | 3 | 3.85% | 1 | 12.50% | 
 | Total | 78 | 100.00% | 8 | 100.00% | 
static int omap2430_musb_exit(struct musb *musb)
{
	struct device *dev = musb->controller;
	struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
	omap2430_low_level_exit(musb);
	phy_exit(musb->phy);
	musb->phy = NULL;
	cancel_work_sync(&glue->omap_musb_mailbox_work);
	return 0;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| tony lindgren | tony lindgren | 31 | 50.82% | 1 | 14.29% | 
| felipe balbi | felipe balbi | 17 | 27.87% | 4 | 57.14% | 
| ajay kumar gupta | ajay kumar gupta | 8 | 13.11% | 1 | 14.29% | 
| kishon vijay abraham i | kishon vijay abraham i | 5 | 8.20% | 1 | 14.29% | 
 | Total | 61 | 100.00% | 7 | 100.00% | 
static const struct musb_platform_ops omap2430_ops = {
	.quirks		= MUSB_DMA_INVENTRA,
#ifdef CONFIG_USB_INVENTRA_DMA
	.dma_init	= musbhs_dma_controller_create,
	.dma_exit	= musbhs_dma_controller_destroy,
#endif
	.init		= omap2430_musb_init,
	.exit		= omap2430_musb_exit,
	.set_vbus	= omap2430_musb_set_vbus,
	.enable		= omap2430_musb_enable,
	.disable	= omap2430_musb_disable,
	.phy_callback	= omap2430_musb_mailbox,
};
static u64 omap2430_dmamask = DMA_BIT_MASK(32);
static int omap2430_probe(struct platform_device *pdev)
{
	struct resource			musb_resources[3];
	struct musb_hdrc_platform_data	*pdata = dev_get_platdata(&pdev->dev);
	struct omap_musb_board_data	*data;
	struct platform_device		*musb;
	struct omap2430_glue		*glue;
	struct device_node		*np = pdev->dev.of_node;
	struct musb_hdrc_config		*config;
	int				ret = -ENOMEM, val;
	glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL);
	if (!glue)
		goto err0;
	musb = platform_device_alloc("musb-hdrc", PLATFORM_DEVID_AUTO);
	if (!musb) {
		dev_err(&pdev->dev, "failed to allocate musb device\n");
		goto err0;
	}
	musb->dev.parent		= &pdev->dev;
	musb->dev.dma_mask		= &omap2430_dmamask;
	musb->dev.coherent_dma_mask	= omap2430_dmamask;
	glue->dev			= &pdev->dev;
	glue->musb			= musb;
	glue->status			= MUSB_UNKNOWN;
	glue->control_otghs = ERR_PTR(-ENODEV);
	if (np) {
		struct device_node *control_node;
		struct platform_device *control_pdev;
		pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
		if (!pdata)
			goto err2;
		data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
		if (!data)
			goto err2;
		config = devm_kzalloc(&pdev->dev, sizeof(*config), GFP_KERNEL);
		if (!config)
			goto err2;
		of_property_read_u32(np, "mode", (u32 *)&pdata->mode);
		of_property_read_u32(np, "interface-type",
						(u32 *)&data->interface_type);
		of_property_read_u32(np, "num-eps", (u32 *)&config->num_eps);
		of_property_read_u32(np, "ram-bits", (u32 *)&config->ram_bits);
		of_property_read_u32(np, "power", (u32 *)&pdata->power);
		ret = of_property_read_u32(np, "multipoint", &val);
		if (!ret && val)
			config->multipoint = true;
		pdata->board_data	= data;
		pdata->config		= config;
		control_node = of_parse_phandle(np, "ctrl-module", 0);
		if (control_node) {
			control_pdev = of_find_device_by_node(control_node);
			if (!control_pdev) {
				dev_err(&pdev->dev, "Failed to get control device\n");
				ret = -EINVAL;
				goto err2;
			}
			glue->control_otghs = &control_pdev->dev;
		}
	}
	pdata->platform_ops		= &omap2430_ops;
	platform_set_drvdata(pdev, glue);
	/*
         * REVISIT if we ever have two instances of the wrapper, we will be
         * in big trouble
         */
	_glue	= glue;
	INIT_WORK(&glue->omap_musb_mailbox_work, omap_musb_mailbox_work);
	memset(musb_resources, 0x00, sizeof(*musb_resources) *
			ARRAY_SIZE(musb_resources));
	musb_resources[0].name = pdev->resource[0].name;
	musb_resources[0].start = pdev->resource[0].start;
	musb_resources[0].end = pdev->resource[0].end;
	musb_resources[0].flags = pdev->resource[0].flags;
	musb_resources[1].name = pdev->resource[1].name;
	musb_resources[1].start = pdev->resource[1].start;
	musb_resources[1].end = pdev->resource[1].end;
	musb_resources[1].flags = pdev->resource[1].flags;
	musb_resources[2].name = pdev->resource[2].name;
	musb_resources[2].start = pdev->resource[2].start;
	musb_resources[2].end = pdev->resource[2].end;
	musb_resources[2].flags = pdev->resource[2].flags;
	ret = platform_device_add_resources(musb, musb_resources,
			ARRAY_SIZE(musb_resources));
	if (ret) {
		dev_err(&pdev->dev, "failed to add resources\n");
		goto err2;
	}
	ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
	if (ret) {
		dev_err(&pdev->dev, "failed to add platform_data\n");
		goto err2;
	}
	pm_runtime_enable(glue->dev);
	pm_runtime_use_autosuspend(glue->dev);
	pm_runtime_set_autosuspend_delay(glue->dev, 500);
	ret = platform_device_add(musb);
	if (ret) {
		dev_err(&pdev->dev, "failed to register musb device\n");
		goto err2;
	}
	return 0;
err2:
	platform_device_put(musb);
err0:
	return ret;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| felipe balbi | felipe balbi | 387 | 47.02% | 7 | 25.93% | 
| kishon vijay abraham i | kishon vijay abraham i | 316 | 38.40% | 8 | 29.63% | 
| roger quadros | roger quadros | 47 | 5.71% | 1 | 3.70% | 
| tony lindgren | tony lindgren | 44 | 5.35% | 3 | 11.11% | 
| sebastian andrzej siewior | sebastian andrzej siewior | 7 | 0.85% | 2 | 7.41% | 
| wei yongjun | wei yongjun | 6 | 0.73% | 1 | 3.70% | 
| ajay kumar gupta | ajay kumar gupta | 4 | 0.49% | 1 | 3.70% | 
| ravi babu | ravi babu | 4 | 0.49% | 1 | 3.70% | 
| jingoo han | jingoo han | 4 | 0.49% | 1 | 3.70% | 
| hema kalliguddi | hema kalliguddi | 3 | 0.36% | 1 | 3.70% | 
| sergei shtylyov | sergei shtylyov | 1 | 0.12% | 1 | 3.70% | 
 | Total | 823 | 100.00% | 27 | 100.00% | 
static int omap2430_remove(struct platform_device *pdev)
{
	struct omap2430_glue *glue = platform_get_drvdata(pdev);
	struct musb *musb = glue_to_musb(glue);
	pm_runtime_get_sync(glue->dev);
	platform_device_unregister(glue->musb);
	omap2430_set_power(musb, false, false);
	pm_runtime_put_sync(glue->dev);
	pm_runtime_dont_use_autosuspend(glue->dev);
	pm_runtime_disable(glue->dev);
	return 0;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| tony lindgren | tony lindgren | 47 | 60.26% | 3 | 50.00% | 
| felipe balbi | felipe balbi | 30 | 38.46% | 2 | 33.33% | 
| kishon vijay abraham i | kishon vijay abraham i | 1 | 1.28% | 1 | 16.67% | 
 | Total | 78 | 100.00% | 6 | 100.00% | 
#ifdef CONFIG_PM
static int omap2430_runtime_suspend(struct device *dev)
{
	struct omap2430_glue		*glue = dev_get_drvdata(dev);
	struct musb			*musb = glue_to_musb(glue);
	if (!musb)
		return 0;
	musb->context.otg_interfsel = musb_readl(musb->mregs,
						 OTG_INTERFSEL);
	omap2430_low_level_exit(musb);
	return 0;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| felipe balbi | felipe balbi | 38 | 61.29% | 1 | 20.00% | 
| hema kalliguddi | hema kalliguddi | 16 | 25.81% | 2 | 40.00% | 
| tony lindgren | tony lindgren | 4 | 6.45% | 1 | 20.00% | 
| vladimir zapolskiy | vladimir zapolskiy | 4 | 6.45% | 1 | 20.00% | 
 | Total | 62 | 100.00% | 5 | 100.00% | 
static int omap2430_runtime_resume(struct device *dev)
{
	struct omap2430_glue		*glue = dev_get_drvdata(dev);
	struct musb			*musb = glue_to_musb(glue);
	if (!musb)
		return 0;
	omap2430_low_level_init(musb);
	musb_writel(musb->mregs, OTG_INTERFSEL,
		    musb->context.otg_interfsel);
	return 0;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| felipe balbi | felipe balbi | 38 | 61.29% | 1 | 16.67% | 
| hema kalliguddi | hema kalliguddi | 16 | 25.81% | 2 | 33.33% | 
| vladimir zapolskiy | vladimir zapolskiy | 4 | 6.45% | 1 | 16.67% | 
| tony lindgren | tony lindgren | 4 | 6.45% | 2 | 33.33% | 
 | Total | 62 | 100.00% | 6 | 100.00% | 
static struct dev_pm_ops omap2430_pm_ops = {
	.runtime_suspend = omap2430_runtime_suspend,
	.runtime_resume = omap2430_runtime_resume,
};
#define DEV_PM_OPS	(&omap2430_pm_ops)
#else
#define DEV_PM_OPS	NULL
#endif
#ifdef CONFIG_OF
static const struct of_device_id omap2430_id_table[] = {
	{
		.compatible = "ti,omap4-musb"
	},
	{
		.compatible = "ti,omap3-musb"
	},
	{},
};
MODULE_DEVICE_TABLE(of, omap2430_id_table);
#endif
static struct platform_driver omap2430_driver = {
	.probe		= omap2430_probe,
	.remove		= omap2430_remove,
	.driver		= {
		.name	= "musb-omap2430",
		.pm	= DEV_PM_OPS,
		.of_match_table = of_match_ptr(omap2430_id_table),
        },
};
module_platform_driver(omap2430_driver);
MODULE_DESCRIPTION("OMAP2PLUS MUSB Glue Layer");
MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
MODULE_LICENSE("GPL v2");
Overall Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| felipe balbi | felipe balbi | 1013 | 33.45% | 14 | 18.42% | 
| kishon vijay abraham i | kishon vijay abraham i | 708 | 23.38% | 16 | 21.05% | 
| tony lindgren | tony lindgren | 481 | 15.89% | 11 | 14.47% | 
| hema kalliguddi | hema kalliguddi | 417 | 13.77% | 6 | 7.89% | 
| philippe de swert | philippe de swert | 118 | 3.90% | 1 | 1.32% | 
| roger quadros | roger quadros | 50 | 1.65% | 1 | 1.32% | 
| maulik mankad | maulik mankad | 32 | 1.06% | 1 | 1.32% | 
| david brownell | david brownell | 26 | 0.86% | 1 | 1.32% | 
| aaro koskinen | aaro koskinen | 26 | 0.86% | 3 | 3.95% | 
| pali rohar | pali rohar | 18 | 0.59% | 1 | 1.32% | 
| neil brown | neil brown | 18 | 0.59% | 1 | 1.32% | 
| vikram pandita | vikram pandita | 17 | 0.56% | 1 | 1.32% | 
| heikki krogerus | heikki krogerus | 16 | 0.53% | 2 | 2.63% | 
| ajay kumar gupta | ajay kumar gupta | 16 | 0.53% | 1 | 1.32% | 
| jingoo han | jingoo han | 13 | 0.43% | 1 | 1.32% | 
| antoine tenart | antoine tenart | 12 | 0.40% | 1 | 1.32% | 
| vladimir zapolskiy | vladimir zapolskiy | 8 | 0.26% | 1 | 1.32% | 
| sebastian andrzej siewior | sebastian andrzej siewior | 7 | 0.23% | 2 | 2.63% | 
| grazvydas ignotas | grazvydas ignotas | 7 | 0.23% | 1 | 1.32% | 
| wei yongjun | wei yongjun | 6 | 0.20% | 1 | 1.32% | 
| ravi babu | ravi babu | 4 | 0.13% | 1 | 1.32% | 
| anatolij gustschin | anatolij gustschin | 4 | 0.13% | 1 | 1.32% | 
| felipe contreras | felipe contreras | 3 | 0.10% | 1 | 1.32% | 
| sergei shtylyov | sergei shtylyov | 2 | 0.07% | 2 | 2.63% | 
| shubhrajyoti datta | shubhrajyoti datta | 2 | 0.07% | 1 | 1.32% | 
| johan hovold | johan hovold | 2 | 0.07% | 1 | 1.32% | 
| jarkko nikula | jarkko nikula | 1 | 0.03% | 1 | 1.32% | 
| ming lei | ming lei | 1 | 0.03% | 1 | 1.32% | 
 | Total | 3028 | 100.00% | 76 | 100.00% | 
  
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