static int imx_kbd_resume(struct device *dev)
{
	struct platform_device *pdev = to_platform_device(dev);
	struct imx_keypad *kbd = platform_get_drvdata(pdev);
	struct input_dev *input_dev = kbd->input_dev;
	int ret = 0;

	if (device_may_wakeup(&pdev->dev))
		disable_irq_wake(kbd->irq);
	else
		pinctrl_pm_select_default_state(dev);

	mutex_lock(&input_dev->mutex);

	if (input_dev->users) {
		ret = clk_prepare_enable(kbd->clk);
		if (ret)
			goto err_clk;
	}

err_clk:
	mutex_unlock(&input_dev->mutex);

	return ret;
}
Exemple #2
0
static int spi_st_runtime_resume(struct device *dev)
{
	struct spi_master *master = dev_get_drvdata(dev);
	struct spi_st *spi_st = spi_master_get_devdata(master);
	int ret;

	ret = clk_prepare_enable(spi_st->clk);
	pinctrl_pm_select_default_state(dev);

	return ret;
}
static int serial_omap_resume(struct device *dev)
{
	struct uart_omap_port *up = dev_get_drvdata(dev);

	/* Select default pin state */
	pinctrl_pm_select_default_state(dev);

	if (device_may_wakeup(dev))
		serial_omap_enable_wakeup(up, false);

	uart_resume_port(&serial_omap_reg, &up->port);

	return 0;
}
Exemple #4
0
static int dwc3_resume(struct device *dev)
{
	struct dwc3	*dwc = dev_get_drvdata(dev);
	unsigned long	flags;
	int		ret;

	pinctrl_pm_select_default_state(dev);

	usb_phy_init(dwc->usb3_phy);
	usb_phy_init(dwc->usb2_phy);
	ret = phy_init(dwc->usb2_generic_phy);
	if (ret < 0)
		return ret;

	ret = phy_init(dwc->usb3_generic_phy);
	if (ret < 0)
		goto err_usb2phy_init;

	spin_lock_irqsave(&dwc->lock, flags);

	dwc3_event_buffers_setup(dwc);
	dwc3_writel(dwc->regs, DWC3_GCTL, dwc->gctl);

	switch (dwc->dr_mode) {
	case USB_DR_MODE_PERIPHERAL:
	case USB_DR_MODE_OTG:
		dwc3_gadget_resume(dwc);
		/* FALLTHROUGH */
	case USB_DR_MODE_HOST:
	default:
		/* do nothing */
		break;
	}

	spin_unlock_irqrestore(&dwc->lock, flags);

	pm_runtime_disable(dev);
	pm_runtime_set_active(dev);
	pm_runtime_enable(dev);

	return 0;

err_usb2phy_init:
	phy_exit(dwc->usb2_generic_phy);

	return ret;
}
Exemple #5
0
static int dwc3_resume(struct device *dev)
{
	struct dwc3	*dwc = dev_get_drvdata(dev);
	int		ret;

	pinctrl_pm_select_default_state(dev);

	ret = dwc3_resume_common(dwc);
	if (ret)
		return ret;

	pm_runtime_disable(dev);
	pm_runtime_set_active(dev);
	pm_runtime_enable(dev);

	return 0;
}
Exemple #6
0
static int __maybe_unused rockchip_thermal_resume(struct device *dev)
{
	struct platform_device *pdev = to_platform_device(dev);
	struct rockchip_thermal_data *thermal = platform_get_drvdata(pdev);
	int i;
	int error;

	error = clk_enable(thermal->clk);
	if (error)
		return error;

	error = clk_enable(thermal->pclk);
	if (error) {
		clk_disable(thermal->clk);
		return error;
	}

	rockchip_thermal_reset_controller(thermal->reset);

	thermal->chip->initialize(thermal->grf, thermal->regs,
				  thermal->tshut_polarity);

	for (i = 0; i < thermal->chip->chn_num; i++) {
		int id = thermal->sensors[i].id;

		thermal->chip->set_tshut_mode(id, thermal->regs,
					      thermal->tshut_mode);

		error = thermal->chip->set_tshut_temp(&thermal->chip->table,
					      id, thermal->regs,
					      thermal->tshut_temp);
		if (error)
			dev_err(&pdev->dev, "%s: invalid tshut=%d, error=%d\n",
				__func__, thermal->tshut_temp, error);
	}

	thermal->chip->control(thermal->regs, true);

	for (i = 0; i < thermal->chip->chn_num; i++)
		rockchip_thermal_toggle_sensor(&thermal->sensors[i], true);

	pinctrl_pm_select_default_state(dev);

	return 0;
}
Exemple #7
0
static int st_ehci_resume(struct device *dev)
{
    struct usb_hcd *hcd = dev_get_drvdata(dev);
    struct usb_ehci_pdata *pdata = dev_get_platdata(dev);
    struct platform_device *pdev = to_platform_device(dev);
    int err;

    pinctrl_pm_select_default_state(dev);

    if (pdata->power_on) {
        err = pdata->power_on(pdev);
        if (err < 0)
            return err;
    }

    ehci_resume(hcd, false);
    return 0;
}
Exemple #8
0
static int st_rc_resume(struct device *dev)
{
	struct st_rc_device *rc_dev = dev_get_drvdata(dev);
	struct rc_dev	*rdev = rc_dev->rdev;

	if (rc_dev->irq_wake) {
		disable_irq_wake(rc_dev->irq);
		rc_dev->irq_wake = 0;
	} else {
		pinctrl_pm_select_default_state(dev);
		st_rc_hardware_init(rc_dev);
		if (rdev->users) {
			writel(IRB_RX_INTS, rc_dev->rx_base + IRB_RX_INT_EN);
			writel(0x01, rc_dev->rx_base + IRB_RX_EN);
		}
	}

	return 0;
}
Exemple #9
0
static int c_can_start(struct net_device *dev)
{
	struct c_can_priv *priv = netdev_priv(dev);
	int err;

	/* basic c_can configuration */
	err = c_can_chip_config(dev);
	if (err)
		return err;

	/* Setup the command for new messages */
	priv->comm_rcv_high = priv->type != BOSCH_D_CAN ?
		IF_COMM_RCV_LOW : IF_COMM_RCV_HIGH;

	priv->can.state = CAN_STATE_ERROR_ACTIVE;

	/* activate pins */
	pinctrl_pm_select_default_state(dev->dev.parent);
	return 0;
}
Exemple #10
0
static int st_dwc3_resume(struct device *dev)
{
	struct st_dwc3 *dwc3_data = dev_get_drvdata(dev);
	int ret;

	pinctrl_pm_select_default_state(dev);

	reset_control_deassert(dwc3_data->rstc_pwrdn);
	reset_control_deassert(dwc3_data->rstc_rst);

	ret = st_dwc3_drd_init(dwc3_data);
	if (ret) {
		dev_err(dev, "drd initialisation failed\n");
		return ret;
	}

	/* ST glue logic init */
	st_dwc3_init(dwc3_data);

	return 0;
}
Exemple #11
0
int msm_hdmi_hpd_enable(struct drm_connector *connector)
{
	struct hdmi_connector *hdmi_connector = to_hdmi_connector(connector);
	struct hdmi *hdmi = hdmi_connector->hdmi;
	const struct hdmi_platform_config *config = hdmi->config;
	struct device *dev = &hdmi->pdev->dev;
	uint32_t hpd_ctrl;
	int i, ret;
	unsigned long flags;

	for (i = 0; i < config->hpd_reg_cnt; i++) {
		ret = regulator_enable(hdmi->hpd_regs[i]);
		if (ret) {
			dev_err(dev, "failed to enable hpd regulator: %s (%d)\n",
					config->hpd_reg_names[i], ret);
			goto fail;
		}
	}

	ret = pinctrl_pm_select_default_state(dev);
	if (ret) {
		dev_err(dev, "pinctrl state chg failed: %d\n", ret);
		goto fail;
	}

	ret = gpio_config(hdmi, true);
	if (ret) {
		dev_err(dev, "failed to configure GPIOs: %d\n", ret);
		goto fail;
	}

	pm_runtime_get_sync(dev);
	enable_hpd_clocks(hdmi, true);

	msm_hdmi_set_mode(hdmi, false);
	msm_hdmi_phy_reset(hdmi);
	msm_hdmi_set_mode(hdmi, true);

	hdmi_write(hdmi, REG_HDMI_USEC_REFTIMER, 0x0001001b);

	/* enable HPD events: */
	hdmi_write(hdmi, REG_HDMI_HPD_INT_CTRL,
			HDMI_HPD_INT_CTRL_INT_CONNECT |
			HDMI_HPD_INT_CTRL_INT_EN);

	/* set timeout to 4.1ms (max) for hardware debounce */
	spin_lock_irqsave(&hdmi->reg_lock, flags);
	hpd_ctrl = hdmi_read(hdmi, REG_HDMI_HPD_CTRL);
	hpd_ctrl |= HDMI_HPD_CTRL_TIMEOUT(0x1fff);

	/* Toggle HPD circuit to trigger HPD sense */
	hdmi_write(hdmi, REG_HDMI_HPD_CTRL,
			~HDMI_HPD_CTRL_ENABLE & hpd_ctrl);
	hdmi_write(hdmi, REG_HDMI_HPD_CTRL,
			HDMI_HPD_CTRL_ENABLE | hpd_ctrl);
	spin_unlock_irqrestore(&hdmi->reg_lock, flags);

	return 0;

fail:
	return ret;
}
Exemple #12
0
static int spi_imx_resume(struct device *dev)
{
	pinctrl_pm_select_default_state(dev);
	return 0;
}