media: v4l: ioctl: Set bus_info in v4l_querycap()

The bus_info field is set by most drivers based on the type of the device
bus as well as the name of the device. Do this in v4l_querycap() so
drivers don't need to. This keeps compatibility with non-default and silly
bus_info.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

17 files changed, 0 insertions, 35 deletions

diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
index 5ca3d0cc653a..d40b537f4e98 100644
--- a/drivers/media/pci/bt8xx/bttv-driver.c
+++ b/drivers/media/pci/bt8xx/bttv-driver.c
@@ -2435,8 +2435,6 @@ static int bttv_querycap(struct file *file, void  *priv,
 
 	strscpy(cap->driver, "bttv", sizeof(cap->driver));
 	strscpy(cap->card, btv->video_dev.name, sizeof(cap->card));
-	snprintf(cap->bus_info, sizeof(cap->bus_info),
-		 "PCI:%s", pci_name(btv->c.pci));
 	cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
 			    V4L2_CAP_STREAMING | V4L2_CAP_DEVICE_CAPS;
 	if (no_overlay <= 0)
diff --git a/drivers/media/pci/cx18/cx18-ioctl.c b/drivers/media/pci/cx18/cx18-ioctl.c
index ce3f0141f94e..c8ba7841c720 100644
--- a/drivers/media/pci/cx18/cx18-ioctl.c
+++ b/drivers/media/pci/cx18/cx18-ioctl.c
@@ -389,8 +389,6 @@ static int cx18_querycap(struct file *file, void *fh,
 
 	strscpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
 	strscpy(vcap->card, cx->card_name, sizeof(vcap->card));
-	snprintf(vcap->bus_info, sizeof(vcap->bus_info),
-		 "PCI:%s", pci_name(cx->pci_dev));
 	vcap->capabilities = cx->v4l2_cap | V4L2_CAP_DEVICE_CAPS;
 	return 0;
 }
diff --git a/drivers/media/pci/cx88/cx88-blackbird.c b/drivers/media/pci/cx88/cx88-blackbird.c
index d5da3bd5695d..c1b41a9283c1 100644
--- a/drivers/media/pci/cx88/cx88-blackbird.c
+++ b/drivers/media/pci/cx88/cx88-blackbird.c
@@ -796,7 +796,6 @@ static int vidioc_querycap(struct file *file, void  *priv,
 	struct cx88_core *core = dev->core;
 
 	strscpy(cap->driver, "cx88_blackbird", sizeof(cap->driver));
-	sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
 	return cx88_querycap(file, core, cap);
 }
 
diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c
index c17ad9f7d822..d3729be89252 100644
--- a/drivers/media/pci/cx88/cx88-video.c
+++ b/drivers/media/pci/cx88/cx88-video.c
@@ -808,7 +808,6 @@ static int vidioc_querycap(struct file *file, void  *priv,
 	struct cx88_core *core = dev->core;
 
 	strscpy(cap->driver, "cx8800", sizeof(cap->driver));
-	sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
 	return cx88_querycap(file, core, cap);
 }
 
diff --git a/drivers/media/pci/dt3155/dt3155.c b/drivers/media/pci/dt3155/dt3155.c
index 961f844de99c..548156b199cc 100644
--- a/drivers/media/pci/dt3155/dt3155.c
+++ b/drivers/media/pci/dt3155/dt3155.c
@@ -292,11 +292,8 @@ static const struct v4l2_file_operations dt3155_fops = {
 static int dt3155_querycap(struct file *filp, void *p,
 			   struct v4l2_capability *cap)
 {
-	struct dt3155_priv *pd = video_drvdata(filp);
-
 	strscpy(cap->driver, DT3155_NAME, sizeof(cap->driver));
 	strscpy(cap->card, DT3155_NAME " frame grabber", sizeof(cap->card));
-	sprintf(cap->bus_info, "PCI:%s", pci_name(pd->pdev));
 	return 0;
 }
 
diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c b/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c
index b15fac775e14..0975a069bd38 100644
--- a/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c
+++ b/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c
@@ -1046,12 +1046,8 @@ static const struct vb2_ops cio2_vb2_ops = {
 static int cio2_v4l2_querycap(struct file *file, void *fh,
 			      struct v4l2_capability *cap)
 {
-	struct cio2_device *cio2 = video_drvdata(file);
-
 	strscpy(cap->driver, CIO2_NAME, sizeof(cap->driver));
 	strscpy(cap->card, CIO2_DEVICE_NAME, sizeof(cap->card));
-	snprintf(cap->bus_info, sizeof(cap->bus_info),
-		 "PCI:%s", pci_name(cio2->pci_dev));
 
 	return 0;
 }
diff --git a/drivers/media/pci/ivtv/ivtv-ioctl.c b/drivers/media/pci/ivtv/ivtv-ioctl.c
index fee460e2ca86..7947dcd615e8 100644
--- a/drivers/media/pci/ivtv/ivtv-ioctl.c
+++ b/drivers/media/pci/ivtv/ivtv-ioctl.c
@@ -732,7 +732,6 @@ static int ivtv_querycap(struct file *file, void *fh, struct v4l2_capability *vc
 
 	strscpy(vcap->driver, IVTV_DRIVER_NAME, sizeof(vcap->driver));
 	strscpy(vcap->card, itv->card_name, sizeof(vcap->card));
-	snprintf(vcap->bus_info, sizeof(vcap->bus_info), "PCI:%s", pci_name(itv->pdev));
 	vcap->capabilities = itv->v4l2_cap | V4L2_CAP_DEVICE_CAPS;
 	return 0;
 }
diff --git a/drivers/media/pci/meye/meye.c b/drivers/media/pci/meye/meye.c
index 8944e4bd4638..5d87efd9b95c 100644
--- a/drivers/media/pci/meye/meye.c
+++ b/drivers/media/pci/meye/meye.c
@@ -1012,7 +1012,6 @@ static int vidioc_querycap(struct file *file, void *fh,
 {
 	strscpy(cap->driver, "meye", sizeof(cap->driver));
 	strscpy(cap->card, "meye", sizeof(cap->card));
-	sprintf(cap->bus_info, "PCI:%s", pci_name(meye.mchip_dev));
 	return 0;
 }
 
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c
index 48543ad3d595..98c258a1cd01 100644
--- a/drivers/media/pci/saa7134/saa7134-video.c
+++ b/drivers/media/pci/saa7134/saa7134-video.c
@@ -1475,7 +1475,6 @@ int saa7134_querycap(struct file *file, void *priv,
 	strscpy(cap->driver, "saa7134", sizeof(cap->driver));
 	strscpy(cap->card, saa7134_boards[dev->board].name,
 		sizeof(cap->card));
-	sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
 	cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
 			    V4L2_CAP_RADIO | V4L2_CAP_VIDEO_CAPTURE |
 			    V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
diff --git a/drivers/media/pci/saa7164/saa7164-encoder.c b/drivers/media/pci/saa7164/saa7164-encoder.c
index 1d1d32e043f1..c1b6a0596801 100644
--- a/drivers/media/pci/saa7164/saa7164-encoder.c
+++ b/drivers/media/pci/saa7164/saa7164-encoder.c
@@ -490,7 +490,6 @@ static int vidioc_querycap(struct file *file, void  *priv,
 	strscpy(cap->driver, dev->name, sizeof(cap->driver));
 	strscpy(cap->card, saa7164_boards[dev->board].name,
 		sizeof(cap->card));
-	sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
 	cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
 			    V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE |
 			    V4L2_CAP_DEVICE_CAPS;
diff --git a/drivers/media/pci/saa7164/saa7164-vbi.c b/drivers/media/pci/saa7164/saa7164-vbi.c
index cb2e09f0841d..a6738baab688 100644
--- a/drivers/media/pci/saa7164/saa7164-vbi.c
+++ b/drivers/media/pci/saa7164/saa7164-vbi.c
@@ -201,7 +201,6 @@ static int vidioc_querycap(struct file *file, void  *priv,
 	strscpy(cap->driver, dev->name, sizeof(cap->driver));
 	strscpy(cap->card, saa7164_boards[dev->board].name,
 		sizeof(cap->card));
-	sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
 	cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
 			    V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE |
 			    V4L2_CAP_DEVICE_CAPS;
diff --git a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c
index 7766cadb73ea..80d20e2a2099 100644
--- a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c
+++ b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c
@@ -764,13 +764,10 @@ static int solo_enc_querycap(struct file *file, void  *priv,
 			     struct v4l2_capability *cap)
 {
 	struct solo_enc_dev *solo_enc = video_drvdata(file);
-	struct solo_dev *solo_dev = solo_enc->solo_dev;
 
 	strscpy(cap->driver, SOLO6X10_NAME, sizeof(cap->driver));
 	snprintf(cap->card, sizeof(cap->card), "Softlogic 6x10 Enc %d",
 		 solo_enc->ch);
-	snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
-		 pci_name(solo_dev->pdev));
 	return 0;
 }
 
diff --git a/drivers/media/pci/solo6x10/solo6x10-v4l2.c b/drivers/media/pci/solo6x10/solo6x10-v4l2.c
index 24ef0c446bef..e18cc41fca83 100644
--- a/drivers/media/pci/solo6x10/solo6x10-v4l2.c
+++ b/drivers/media/pci/solo6x10/solo6x10-v4l2.c
@@ -372,12 +372,8 @@ static const struct vb2_ops solo_video_qops = {
 static int solo_querycap(struct file *file, void  *priv,
 			 struct v4l2_capability *cap)
 {
-	struct solo_dev *solo_dev = video_drvdata(file);
-
 	strscpy(cap->driver, SOLO6X10_NAME, sizeof(cap->driver));
 	strscpy(cap->card, "Softlogic 6x10", sizeof(cap->card));
-	snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
-		 pci_name(solo_dev->pdev));
 	return 0;
 }
 
diff --git a/drivers/media/pci/sta2x11/sta2x11_vip.c b/drivers/media/pci/sta2x11/sta2x11_vip.c
index 524912f20d9f..8535e49a4c4f 100644
--- a/drivers/media/pci/sta2x11/sta2x11_vip.c
+++ b/drivers/media/pci/sta2x11/sta2x11_vip.c
@@ -401,12 +401,8 @@ static const struct v4l2_file_operations vip_fops = {
 static int vidioc_querycap(struct file *file, void *priv,
 			   struct v4l2_capability *cap)
 {
-	struct sta2x11_vip *vip = video_drvdata(file);
-
 	strscpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver));
 	strscpy(cap->card, KBUILD_MODNAME, sizeof(cap->card));
-	snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
-		 pci_name(vip->pdev));
 	return 0;
 }
 
diff --git a/drivers/media/pci/tw5864/tw5864-video.c b/drivers/media/pci/tw5864/tw5864-video.c
index 9131265c2b87..197ed8978102 100644
--- a/drivers/media/pci/tw5864/tw5864-video.c
+++ b/drivers/media/pci/tw5864/tw5864-video.c
@@ -604,7 +604,6 @@ static int tw5864_querycap(struct file *file, void *priv,
 	strscpy(cap->driver, "tw5864", sizeof(cap->driver));
 	snprintf(cap->card, sizeof(cap->card), "TW5864 Encoder %d",
 		 input->nr);
-	sprintf(cap->bus_info, "PCI:%s", pci_name(input->root->pci));
 	return 0;
 }
 
diff --git a/drivers/media/pci/tw68/tw68-video.c b/drivers/media/pci/tw68/tw68-video.c
index fe94944d0531..0cbc5b038073 100644
--- a/drivers/media/pci/tw68/tw68-video.c
+++ b/drivers/media/pci/tw68/tw68-video.c
@@ -712,12 +712,9 @@ static int tw68_s_input(struct file *file, void *priv, unsigned int i)
 static int tw68_querycap(struct file *file, void  *priv,
 					struct v4l2_capability *cap)
 {
-	struct tw68_dev *dev = video_drvdata(file);
-
 	strscpy(cap->driver, "tw68", sizeof(cap->driver));
 	strscpy(cap->card, "Techwell Capture Card",
 		sizeof(cap->card));
-	sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
 	return 0;
 }
 
diff --git a/drivers/media/pci/tw686x/tw686x-video.c b/drivers/media/pci/tw686x/tw686x-video.c
index b227e9e78ebd..6344a479119f 100644
--- a/drivers/media/pci/tw686x/tw686x-video.c
+++ b/drivers/media/pci/tw686x/tw686x-video.c
@@ -762,8 +762,6 @@ static int tw686x_querycap(struct file *file, void *priv,
 
 	strscpy(cap->driver, "tw686x", sizeof(cap->driver));
 	strscpy(cap->card, dev->name, sizeof(cap->card));
-	snprintf(cap->bus_info, sizeof(cap->bus_info),
-		 "PCI:%s", pci_name(dev->pci_dev));
 	return 0;
 }