Release 4.7 drivers/usb/renesas_usbhs/rcar2.c
  
  
/*
 * Renesas USB driver R-Car Gen. 2 initialization and power control
 *
 * Copyright (C) 2014 Ulrich Hecht
 *
 * This program 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.
 *
 */
#include <linux/gpio.h>
#include <linux/of_gpio.h>
#include <linux/phy/phy.h>
#include <linux/usb/phy.h>
#include "common.h"
#include "rcar2.h"
static int usbhs_rcar2_hardware_init(struct platform_device *pdev)
{
	struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
	if (IS_ENABLED(CONFIG_GENERIC_PHY)) {
		struct phy *phy = phy_get(&pdev->dev, "usb");
		if (IS_ERR(phy))
			return PTR_ERR(phy);
		priv->phy = phy;
		return 0;
	}
	if (IS_ENABLED(CONFIG_USB_PHY)) {
		struct usb_phy *usb_phy = usb_get_phy_dev(&pdev->dev, 0);
		if (IS_ERR(usb_phy))
			return PTR_ERR(usb_phy);
		priv->usb_phy = usb_phy;
		return 0;
	}
	return -ENXIO;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| yoshihiro shimoda | yoshihiro shimoda | 66 | 56.41% | 3 | 75.00% | 
| ulrich hecht | ulrich hecht | 51 | 43.59% | 1 | 25.00% | 
 | Total | 117 | 100.00% | 4 | 100.00% | 
static int usbhs_rcar2_hardware_exit(struct platform_device *pdev)
{
	struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
	if (priv->phy) {
		phy_put(priv->phy);
		priv->phy = NULL;
	}
	if (priv->usb_phy) {
		usb_put_phy(priv->usb_phy);
		priv->usb_phy = NULL;
	}
	return 0;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| ulrich hecht | ulrich hecht | 40 | 60.61% | 1 | 25.00% | 
| yoshihiro shimoda | yoshihiro shimoda | 26 | 39.39% | 3 | 75.00% | 
 | Total | 66 | 100.00% | 4 | 100.00% | 
static int usbhs_rcar2_power_ctrl(struct platform_device *pdev,
				void __iomem *base, int enable)
{
	struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
	int retval = -ENODEV;
	if (priv->phy) {
		if (enable) {
			retval = phy_init(priv->phy);
			if (!retval)
				retval = phy_power_on(priv->phy);
		} else {
			phy_power_off(priv->phy);
			phy_exit(priv->phy);
			retval = 0;
		}
	}
	if (priv->usb_phy) {
		if (enable) {
			retval = usb_phy_init(priv->usb_phy);
			if (!retval)
				retval = usb_phy_set_suspend(priv->usb_phy, 0);
		} else {
			usb_phy_set_suspend(priv->usb_phy, 1);
			usb_phy_shutdown(priv->usb_phy);
			retval = 0;
		}
	}
	return retval;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| yoshihiro shimoda | yoshihiro shimoda | 81 | 51.27% | 3 | 75.00% | 
| ulrich hecht | ulrich hecht | 77 | 48.73% | 1 | 25.00% | 
 | Total | 158 | 100.00% | 4 | 100.00% | 
static int usbhs_rcar2_get_id(struct platform_device *pdev)
{
	return USBHS_GADGET;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| ulrich hecht | ulrich hecht | 14 | 100.00% | 1 | 100.00% | 
 | Total | 14 | 100.00% | 1 | 100.00% | 
const struct renesas_usbhs_platform_callback usbhs_rcar2_ops = {
	.hardware_init = usbhs_rcar2_hardware_init,
	.hardware_exit = usbhs_rcar2_hardware_exit,
	.power_ctrl = usbhs_rcar2_power_ctrl,
	.get_id = usbhs_rcar2_get_id,
};
Overall Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| ulrich hecht | ulrich hecht | 225 | 56.11% | 1 | 25.00% | 
| yoshihiro shimoda | yoshihiro shimoda | 176 | 43.89% | 3 | 75.00% | 
 | Total | 401 | 100.00% | 4 | 100.00% | 
  
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