C++ (Cpp) reset_control_get Examples

Example #1

File: pinctrl-tegra-xusb.c Project: MinimumLaw/ravion-barebox

static int pinctrl_tegra_xusb_probe(struct device_d *dev)
{
	struct resource *iores;
	struct tegra_xusb_padctl *padctl;
	struct phy *phy;
	int err;

	padctl = xzalloc(sizeof(*padctl));

	dev->priv = padctl;
	padctl->dev = dev;

	dev_get_drvdata(dev, (const void **)&padctl->soc);

	iores = dev_request_mem_resource(dev, 0);
	if (IS_ERR(iores)) {
		dev_err(dev, "Could not get iomem region\n");
		return PTR_ERR(iores);
	}
	padctl->regs = IOMEM(iores->start);

	padctl->rst = reset_control_get(dev, NULL);
	if (IS_ERR(padctl->rst))
		return PTR_ERR(padctl->rst);

	err = reset_control_deassert(padctl->rst);
	if (err < 0)
		return err;

	padctl->pinctrl.dev = dev;
	padctl->pinctrl.ops = &pinctrl_tegra_xusb_ops;

	err = pinctrl_register(&padctl->pinctrl);
	if (err) {
		dev_err(dev, "failed to register pincontrol\n");
		err = -ENODEV;
		goto reset;
	}

	phy = phy_create(dev, NULL, &pcie_phy_ops, NULL);
	if (IS_ERR(phy)) {
		err = PTR_ERR(phy);
		goto unregister;
	}

	padctl->phys[TEGRA_XUSB_PADCTL_PCIE] = phy;
	phy_set_drvdata(phy, padctl);

	phy = phy_create(dev, NULL, &sata_phy_ops, NULL);
	if (IS_ERR(phy)) {
		err = PTR_ERR(phy);
		goto unregister;
	}

	padctl->phys[TEGRA_XUSB_PADCTL_SATA] = phy;
	phy_set_drvdata(phy, padctl);

	padctl->provider = of_phy_provider_register(dev, tegra_xusb_padctl_xlate);
	if (IS_ERR(padctl->provider)) {
		err = PTR_ERR(padctl->provider);
		dev_err(dev, "failed to register PHYs: %d\n", err);
		goto unregister;
	}

	return 0;

unregister:
	pinctrl_unregister(&padctl->pinctrl);
reset:
	reset_control_assert(padctl->rst);
	return err;
}

Example #2

File: ahb.c Project: AK101111/linux

static int ath10k_ahb_rst_ctrl_init(struct ath10k *ar)
{
	struct ath10k_ahb *ar_ahb = ath10k_ahb_priv(ar);
	struct device *dev;
	int ret;

	dev = &ar_ahb->pdev->dev;

	ar_ahb->core_cold_rst = reset_control_get(dev, "wifi_core_cold");
	if (IS_ERR_OR_NULL(ar_ahb->core_cold_rst)) {
		ath10k_err(ar, "failed to get core cold rst ctrl: %ld\n",
			   PTR_ERR(ar_ahb->core_cold_rst));
		ret = ar_ahb->core_cold_rst ?
			PTR_ERR(ar_ahb->core_cold_rst) : -ENODEV;
		goto out;
	}

	ar_ahb->radio_cold_rst = reset_control_get(dev, "wifi_radio_cold");
	if (IS_ERR_OR_NULL(ar_ahb->radio_cold_rst)) {
		ath10k_err(ar, "failed to get radio cold rst ctrl: %ld\n",
			   PTR_ERR(ar_ahb->radio_cold_rst));
		ret = ar_ahb->radio_cold_rst ?
			PTR_ERR(ar_ahb->radio_cold_rst) : -ENODEV;
		goto err_core_cold_rst_put;
	}

	ar_ahb->radio_warm_rst = reset_control_get(dev, "wifi_radio_warm");
	if (IS_ERR_OR_NULL(ar_ahb->radio_warm_rst)) {
		ath10k_err(ar, "failed to get radio warm rst ctrl: %ld\n",
			   PTR_ERR(ar_ahb->radio_warm_rst));
		ret = ar_ahb->radio_warm_rst ?
			PTR_ERR(ar_ahb->radio_warm_rst) : -ENODEV;
		goto err_radio_cold_rst_put;
	}

	ar_ahb->radio_srif_rst = reset_control_get(dev, "wifi_radio_srif");
	if (IS_ERR_OR_NULL(ar_ahb->radio_srif_rst)) {
		ath10k_err(ar, "failed to get radio srif rst ctrl: %ld\n",
			   PTR_ERR(ar_ahb->radio_srif_rst));
		ret = ar_ahb->radio_srif_rst ?
			PTR_ERR(ar_ahb->radio_srif_rst) : -ENODEV;
		goto err_radio_warm_rst_put;
	}

	ar_ahb->cpu_init_rst = reset_control_get(dev, "wifi_cpu_init");
	if (IS_ERR_OR_NULL(ar_ahb->cpu_init_rst)) {
		ath10k_err(ar, "failed to get cpu init rst ctrl: %ld\n",
			   PTR_ERR(ar_ahb->cpu_init_rst));
		ret = ar_ahb->cpu_init_rst ?
			PTR_ERR(ar_ahb->cpu_init_rst) : -ENODEV;
		goto err_radio_srif_rst_put;
	}

	return 0;

err_radio_srif_rst_put:
	reset_control_put(ar_ahb->radio_srif_rst);

err_radio_warm_rst_put:
	reset_control_put(ar_ahb->radio_warm_rst);

err_radio_cold_rst_put:
	reset_control_put(ar_ahb->radio_cold_rst);

err_core_cold_rst_put:
	reset_control_put(ar_ahb->core_cold_rst);

out:
	return ret;
}