From b4b7ff4b08e691656c9d77c758fc355833128ac0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 20 Jan 2016 14:01:31 -0300 Subject: Linux-libre 4.4-gnu --- drivers/gpu/drm/sti/sti_hdmi.c | 69 +++++++++++++++++++++++------------------- 1 file changed, 38 insertions(+), 31 deletions(-) (limited to 'drivers/gpu/drm/sti/sti_hdmi.c') diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c index 09e29e434..cd501563c 100644 --- a/drivers/gpu/drm/sti/sti_hdmi.c +++ b/drivers/gpu/drm/sti/sti_hdmi.c @@ -628,7 +628,8 @@ struct drm_encoder *sti_hdmi_best_encoder(struct drm_connector *connector) return hdmi_connector->encoder; } -static struct drm_connector_helper_funcs sti_hdmi_connector_helper_funcs = { +static const +struct drm_connector_helper_funcs sti_hdmi_connector_helper_funcs = { .get_modes = sti_hdmi_connector_get_modes, .mode_valid = sti_hdmi_connector_mode_valid, .best_encoder = sti_hdmi_best_encoder, @@ -663,7 +664,7 @@ static void sti_hdmi_connector_destroy(struct drm_connector *connector) kfree(hdmi_connector); } -static struct drm_connector_funcs sti_hdmi_connector_funcs = { +static const struct drm_connector_funcs sti_hdmi_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, .detect = sti_hdmi_connector_detect, @@ -700,18 +701,17 @@ static int sti_hdmi_bind(struct device *dev, struct device *master, void *data) encoder = sti_hdmi_find_encoder(drm_dev); if (!encoder) - goto err_adapt; + return -EINVAL; connector = devm_kzalloc(dev, sizeof(*connector), GFP_KERNEL); if (!connector) - goto err_adapt; - + return -EINVAL; connector->hdmi = hdmi; bridge = devm_kzalloc(dev, sizeof(*bridge), GFP_KERNEL); if (!bridge) - goto err_adapt; + return -EINVAL; bridge->driver_private = hdmi; bridge->funcs = &sti_hdmi_bridge_funcs; @@ -748,8 +748,7 @@ err_sysfs: drm_connector_unregister(drm_connector); err_connector: drm_connector_cleanup(drm_connector); -err_adapt: - put_device(&hdmi->ddc_adapt->dev); + return -EINVAL; } @@ -794,13 +793,10 @@ static int sti_hdmi_probe(struct platform_device *pdev) ddc = of_parse_phandle(pdev->dev.of_node, "ddc", 0); if (ddc) { - hdmi->ddc_adapt = of_find_i2c_adapter_by_node(ddc); - if (!hdmi->ddc_adapt) { - of_node_put(ddc); - return -EPROBE_DEFER; - } - + hdmi->ddc_adapt = of_get_i2c_adapter_by_node(ddc); of_node_put(ddc); + if (!hdmi->ddc_adapt) + return -EPROBE_DEFER; } hdmi->dev = pdev->dev; @@ -809,24 +805,29 @@ static int sti_hdmi_probe(struct platform_device *pdev) res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hdmi-reg"); if (!res) { DRM_ERROR("Invalid hdmi resource\n"); - return -ENOMEM; + ret = -ENOMEM; + goto release_adapter; } hdmi->regs = devm_ioremap_nocache(dev, res->start, resource_size(res)); - if (!hdmi->regs) - return -ENOMEM; + if (!hdmi->regs) { + ret = -ENOMEM; + goto release_adapter; + } if (of_device_is_compatible(np, "st,stih416-hdmi")) { res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "syscfg"); if (!res) { DRM_ERROR("Invalid syscfg resource\n"); - return -ENOMEM; + ret = -ENOMEM; + goto release_adapter; } hdmi->syscfg = devm_ioremap_nocache(dev, res->start, resource_size(res)); - if (!hdmi->syscfg) - return -ENOMEM; - + if (!hdmi->syscfg) { + ret = -ENOMEM; + goto release_adapter; + } } hdmi->phy_ops = (struct hdmi_phy_ops *) @@ -836,25 +837,29 @@ static int sti_hdmi_probe(struct platform_device *pdev) hdmi->clk_pix = devm_clk_get(dev, "pix"); if (IS_ERR(hdmi->clk_pix)) { DRM_ERROR("Cannot get hdmi_pix clock\n"); - return PTR_ERR(hdmi->clk_pix); + ret = PTR_ERR(hdmi->clk_pix); + goto release_adapter; } hdmi->clk_tmds = devm_clk_get(dev, "tmds"); if (IS_ERR(hdmi->clk_tmds)) { DRM_ERROR("Cannot get hdmi_tmds clock\n"); - return PTR_ERR(hdmi->clk_tmds); + ret = PTR_ERR(hdmi->clk_tmds); + goto release_adapter; } hdmi->clk_phy = devm_clk_get(dev, "phy"); if (IS_ERR(hdmi->clk_phy)) { DRM_ERROR("Cannot get hdmi_phy clock\n"); - return PTR_ERR(hdmi->clk_phy); + ret = PTR_ERR(hdmi->clk_phy); + goto release_adapter; } hdmi->clk_audio = devm_clk_get(dev, "audio"); if (IS_ERR(hdmi->clk_audio)) { DRM_ERROR("Cannot get hdmi_audio clock\n"); - return PTR_ERR(hdmi->clk_audio); + ret = PTR_ERR(hdmi->clk_audio); + goto release_adapter; } hdmi->hpd = readl(hdmi->regs + HDMI_STA) & HDMI_STA_HOT_PLUG; @@ -867,7 +872,7 @@ static int sti_hdmi_probe(struct platform_device *pdev) hdmi_irq_thread, IRQF_ONESHOT, dev_name(dev), hdmi); if (ret) { DRM_ERROR("Failed to register HDMI interrupt\n"); - return ret; + goto release_adapter; } hdmi->reset = devm_reset_control_get(dev, "hdmi"); @@ -878,16 +883,20 @@ static int sti_hdmi_probe(struct platform_device *pdev) platform_set_drvdata(pdev, hdmi); return component_add(&pdev->dev, &sti_hdmi_ops); + + release_adapter: + i2c_put_adapter(hdmi->ddc_adapt); + + return ret; } static int sti_hdmi_remove(struct platform_device *pdev) { struct sti_hdmi *hdmi = dev_get_drvdata(&pdev->dev); - if (hdmi->ddc_adapt) - put_device(&hdmi->ddc_adapt->dev); - + i2c_put_adapter(hdmi->ddc_adapt); component_del(&pdev->dev, &sti_hdmi_ops); + return 0; } @@ -901,8 +910,6 @@ struct platform_driver sti_hdmi_driver = { .remove = sti_hdmi_remove, }; -module_platform_driver(sti_hdmi_driver); - MODULE_AUTHOR("Benjamin Gaignard "); MODULE_DESCRIPTION("STMicroelectronics SoC DRM driver"); MODULE_LICENSE("GPL"); -- cgit v1.2.3-54-g00ecf