Exemplos de nouveau_platform_device_create em C++ (Cpp)

Exemplo n.º 1

Arquivo: nouveau_platform.c Projeto: andyqee/linux

static int nouveau_platform_probe(struct platform_device *pdev)
{
	struct nouveau_platform_gpu *gpu;
	struct nouveau_platform_device *device;
	struct drm_device *drm;
	int err;

	gpu = devm_kzalloc(&pdev->dev, sizeof(*gpu), GFP_KERNEL);
	if (!gpu)
		return -ENOMEM;

	gpu->vdd = devm_regulator_get(&pdev->dev, "vdd");
	if (IS_ERR(gpu->vdd))
		return PTR_ERR(gpu->vdd);

	gpu->rst = devm_reset_control_get(&pdev->dev, "gpu");
	if (IS_ERR(gpu->rst))
		return PTR_ERR(gpu->rst);

	gpu->clk = devm_clk_get(&pdev->dev, "gpu");
	if (IS_ERR(gpu->clk))
		return PTR_ERR(gpu->clk);

	gpu->clk_pwr = devm_clk_get(&pdev->dev, "pwr");
	if (IS_ERR(gpu->clk_pwr))
		return PTR_ERR(gpu->clk_pwr);

	err = nouveau_platform_power_up(gpu);
	if (err)
		return err;

	drm = nouveau_platform_device_create(pdev, &device);
	if (IS_ERR(drm)) {
		err = PTR_ERR(drm);
		goto power_down;
	}

	device->gpu = gpu;

	err = drm_dev_register(drm, 0);
	if (err < 0)
		goto err_unref;

	return 0;

err_unref:
	drm_dev_unref(drm);

	return 0;

power_down:
	nouveau_platform_power_down(gpu);

	return err;
}

Exemplo n.º 2

Arquivo: nouveau_platform.c Projeto: Aeternam/nouveau

static int nouveau_platform_probe(struct platform_device *pdev)
{
	struct nouveau_device *device;
	struct drm_device *drm;
	int ret;

	drm = nouveau_platform_device_create(pdev, &device);
	if (IS_ERR(drm))
		return PTR_ERR(drm);

	ret = drm_dev_register(drm, 0);
	if (ret < 0) {
		drm_dev_unref(drm);
		return ret;
	}

	return 0;
}