Merge tag 'media/v4.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...

Pull media fixes from Mauro Carvalho Chehab:

  - deadlock fixes on driver probe at exynos4-is and s43-camif drivers

  - a build breakage if media controller is enabled and USB or PCI is
   built as module.

* tag 'media/v4.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  [media] media-device: fix builds when USB or PCI is compiled as module
  [media] media: s3c-camif: fix deadlock on driver probe()
  [media] media: exynos4-is: fix deadlock on driver probe

diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c
index 6e43c95629ea8e8fc550b6fc63bf56b5c627b1ac..3cfd7af8c5cab06607a94c716951daa6166b60e2 100644 (file)
--- a/drivers/media/media-device.c
+++ b/drivers/media/media-device.c
@@ -846,11 +846,11 @@ struct media_device *media_device_find_devres(struct device *dev)
 }
 EXPORT_SYMBOL_GPL(media_device_find_devres);
 
+#if IS_ENABLED(CONFIG_PCI)
 void media_device_pci_init(struct media_device *mdev,
                           struct pci_dev *pci_dev,
                           const char *name)
 {
-#ifdef CONFIG_PCI
        mdev->dev = &pci_dev->dev;
 
        if (name)
@@ -866,16 +866,16 @@ void media_device_pci_init(struct media_device *mdev,
        mdev->driver_version = LINUX_VERSION_CODE;
 
        media_device_init(mdev);
-#endif
 }
 EXPORT_SYMBOL_GPL(media_device_pci_init);
+#endif
 
+#if IS_ENABLED(CONFIG_USB)
 void __media_device_usb_init(struct media_device *mdev,
                             struct usb_device *udev,
                             const char *board_name,
                             const char *driver_name)
 {
-#ifdef CONFIG_USB
        mdev->dev = &udev->dev;
 
        if (driver_name)
@@ -895,9 +895,9 @@ void __media_device_usb_init(struct media_device *mdev,
        mdev->driver_version = LINUX_VERSION_CODE;
 
        media_device_init(mdev);
-#endif
 }
 EXPORT_SYMBOL_GPL(__media_device_usb_init);
+#endif
 
 
 #endif /* CONFIG_MEDIA_CONTROLLER */

diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c
index feb521f28e14857b8344d7320769c87183cd17ac..4f494acd8150fd85f8aaedfb3572b85bb22b460d 100644 (file)
--- a/drivers/media/platform/exynos4-is/media-dev.c
+++ b/drivers/media/platform/exynos4-is/media-dev.c
@@ -1446,22 +1446,13 @@ static int fimc_md_probe(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, fmd);
 
-       /* Protect the media graph while we're registering entities */
-       mutex_lock(&fmd->media_dev.graph_mutex);
-
        ret = fimc_md_register_platform_entities(fmd, dev->of_node);
-       if (ret) {
-               mutex_unlock(&fmd->media_dev.graph_mutex);
+       if (ret)
                goto err_clk;
-       }
 
        ret = fimc_md_register_sensor_entities(fmd);
-       if (ret) {
-               mutex_unlock(&fmd->media_dev.graph_mutex);
+       if (ret)
                goto err_m_ent;
-       }
-
-       mutex_unlock(&fmd->media_dev.graph_mutex);
 
        ret = device_create_file(&pdev->dev, &dev_attr_subdev_conf_mode);
        if (ret)

diff --git a/drivers/media/platform/s3c-camif/camif-core.c b/drivers/media/platform/s3c-camif/camif-core.c
index 0b44b9accf50794172ddb2249414883a1b125b43..af237af204e2760fc0efcaac6ac2dc31207ef662 100644 (file)
--- a/drivers/media/platform/s3c-camif/camif-core.c
+++ b/drivers/media/platform/s3c-camif/camif-core.c
@@ -493,21 +493,17 @@ static int s3c_camif_probe(struct platform_device *pdev)
        if (ret < 0)
                goto err_sens;
 
-       mutex_lock(&camif->media_dev.graph_mutex);
-
        ret = v4l2_device_register_subdev_nodes(&camif->v4l2_dev);
        if (ret < 0)
-               goto err_unlock;
+               goto err_sens;
 
        ret = camif_register_video_nodes(camif);
        if (ret < 0)
-               goto err_unlock;
+               goto err_sens;
 
        ret = camif_create_media_links(camif);
        if (ret < 0)
-               goto err_unlock;
-
-       mutex_unlock(&camif->media_dev.graph_mutex);
+               goto err_sens;
 
        ret = media_device_register(&camif->media_dev);
        if (ret < 0)
@@ -516,8 +512,6 @@ static int s3c_camif_probe(struct platform_device *pdev)
        pm_runtime_put(dev);
        return 0;
 
-err_unlock:
-       mutex_unlock(&camif->media_dev.graph_mutex);
 err_sens:
        v4l2_device_unregister(&camif->v4l2_dev);
        media_device_unregister(&camif->media_dev);