From ef77a26be1883366bb78741d1808e5c86a14ec76 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 7 Feb 2009 07:23:40 -0300 Subject: [PATCH] V4L/DVB (10496): saa7146: implement v4l2_device support. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/saa7146_core.c | 17 ++++++++++------- include/media/saa7146.h | 3 +++ 2 files changed, 13 insertions(+), 7 deletions(-) diff --git a/drivers/media/common/saa7146_core.c b/drivers/media/common/saa7146_core.c index d599d360da3f..961ad16e1d6f 100644 --- a/drivers/media/common/saa7146_core.c +++ b/drivers/media/common/saa7146_core.c @@ -363,13 +363,16 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent ERR(("out of memory.\n")); goto out; } + err = v4l2_device_register(&pci->dev, &dev->v4l2_dev); + if (err) + goto err_free; DEB_EE(("pci:%p\n",pci)); err = pci_enable_device(pci); if (err < 0) { ERR(("pci_enable_device() failed.\n")); - goto err_free; + goto err_unreg; } /* enable bus-mastering */ @@ -452,8 +455,6 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent INFO(("found saa7146 @ mem %p (revision %d, irq %d) (0x%04x,0x%04x).\n", dev->mem, dev->revision, pci->irq, pci->subsystem_vendor, pci->subsystem_device)); dev->ext = ext; - pci_set_drvdata(pci, dev); - mutex_init(&dev->lock); spin_lock_init(&dev->int_slock); spin_lock_init(&dev->slock); @@ -477,7 +478,7 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent if (ext->attach(dev, pci_ext)) { DEB_D(("ext->attach() failed for %p. skipping device.\n",dev)); - goto err_unprobe; + goto err_free_i2c; } INIT_LIST_HEAD(&dev->item); @@ -488,8 +489,6 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent out: return err; -err_unprobe: - pci_set_drvdata(pci, NULL); err_free_i2c: pci_free_consistent(pci, SAA7146_RPS_MEM, dev->d_i2c.cpu_addr, dev->d_i2c.dma_handle); @@ -507,6 +506,8 @@ err_release: pci_release_region(pci, 0); err_disable: pci_disable_device(pci); +err_unreg: + v4l2_device_unregister(&dev->v4l2_dev); err_free: kfree(dev); goto out; @@ -514,7 +515,8 @@ err_free: static void saa7146_remove_one(struct pci_dev *pdev) { - struct saa7146_dev* dev = pci_get_drvdata(pdev); + struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev); + struct saa7146_dev *dev = container_of(v4l2_dev, struct saa7146_dev, v4l2_dev); struct { void *addr; dma_addr_t dma; @@ -528,6 +530,7 @@ static void saa7146_remove_one(struct pci_dev *pdev) DEB_EE(("dev:%p\n",dev)); dev->ext->detach(dev); + v4l2_device_unregister(&dev->v4l2_dev); /* shut down all video dma transfers */ saa7146_write(dev, MC1, 0x00ff0000); diff --git a/include/media/saa7146.h b/include/media/saa7146.h index c5a6e22a4b37..b9dfeeb26fae 100644 --- a/include/media/saa7146.h +++ b/include/media/saa7146.h @@ -13,6 +13,7 @@ #include #include #include +#include #include /* for vmalloc() */ #include /* for vmalloc_to_page() */ @@ -110,6 +111,8 @@ struct saa7146_dev struct list_head item; + struct v4l2_device v4l2_dev; + /* different device locks */ spinlock_t slock; struct mutex lock; -- 2.30.2