X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fmedia%2Fcommon%2Fsaa7146_core.c;h=982f000a57ffc896eeeda4c8295db20fdb6ff8c6;hb=50fbe56c127efde659c686495eb1f925fd84ff0a;hp=d599d360da3fafcbcd26d72c19419683f1f2c4cb;hpb=6b2ada82101a08e2830fb29d7dc9b858be637dd4;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/media/common/saa7146_core.c b/drivers/media/common/saa7146_core.c
index d599d360da3..982f000a57f 100644
--- a/drivers/media/common/saa7146_core.c
+++ b/drivers/media/common/saa7146_core.c
@@ -452,8 +452,6 @@ 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);
@@ -477,8 +475,12 @@ 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;
 	}
+	/* V4L extensions will set the pci drvdata to the v4l2_device in the
+	   attach() above. So for those cards that do not use V4L we have to
+	   set it explicitly. */
+	pci_set_drvdata(pci, &dev->v4l2_dev);
 
 	INIT_LIST_HEAD(&dev->item);
 	list_add_tail(&dev->item,&saa7146_devices);
@@ -488,8 +490,6 @@ 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);
@@ -514,7 +514,8 @@ 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 = to_saa7146_dev(v4l2_dev);
 	struct {
 		void *addr;
 		dma_addr_t dma;
@@ -528,6 +529,8 @@ static void saa7146_remove_one(struct pci_dev *pdev)
 	DEB_EE(("dev:%p\n",dev));
 
 	dev->ext->detach(dev);
+	/* Zero the PCI drvdata after use. */
+	pci_set_drvdata(pdev, NULL);
 
 	/* shut down all video dma transfers */
 	saa7146_write(dev, MC1, 0x00ff0000);