[media] v4l2: remove g_chip_ident from bridge drivers where it is easy to do so

VIDIOC_DBG_G_CHIP_IDENT has been replaced by VIDIOC_DBG_G_CHIP_INFO. Remove
g_chip_ident support from bridge drivers since it is no longer needed.
This patch takes care of all the trivial cases.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

18 files changed, 10 insertions, 545 deletions

diff --git a/drivers/media/common/saa7146/saa7146_video.c b/drivers/media/common/saa7146/saa7146_video.c
index fe907f2e8f59..30779498c173 100644
--- a/drivers/media/common/saa7146/saa7146_video.c
+++ b/drivers/media/common/saa7146/saa7146_video.c
@@ -1,7 +1,6 @@
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <media/saa7146_vv.h>
-#include <media/v4l2-chip-ident.h>
 #include <media/v4l2-event.h>
 #include <media/v4l2-ctrls.h>
 #include <linux/module.h>
@@ -988,26 +987,6 @@ static int vidioc_streamoff(struct file *file, void *__fh, enum v4l2_buf_type ty
         return err;
 }
 
-static int vidioc_g_chip_ident(struct file *file, void *__fh,
-                struct v4l2_dbg_chip_ident *chip)
-{
-        struct saa7146_fh *fh = __fh;
-        struct saa7146_dev *dev = fh->dev;
-
-        chip->ident = V4L2_IDENT_NONE;
-        chip->revision = 0;
-        if (chip->match.type == V4L2_CHIP_MATCH_HOST) {
-                if (v4l2_chip_match_host(&chip->match))
-                        chip->ident = V4L2_IDENT_SAA7146;
-                return 0;
-        }
-        if (chip->match.type != V4L2_CHIP_MATCH_I2C_DRIVER &&
-            chip->match.type != V4L2_CHIP_MATCH_I2C_ADDR)
-                return -EINVAL;
-        return v4l2_device_call_until_err(&dev->v4l2_dev, 0,
-                        core, g_chip_ident, chip);
-}
-
 const struct v4l2_ioctl_ops saa7146_video_ioctl_ops = {
         .vidioc_querycap             = vidioc_querycap,
         .vidioc_enum_fmt_vid_cap     = vidioc_enum_fmt_vid_cap,
@@ -1018,7 +997,6 @@ const struct v4l2_ioctl_ops saa7146_video_ioctl_ops = {
         .vidioc_g_fmt_vid_overlay    = vidioc_g_fmt_vid_overlay,
         .vidioc_try_fmt_vid_overlay  = vidioc_try_fmt_vid_overlay,
         .vidioc_s_fmt_vid_overlay    = vidioc_s_fmt_vid_overlay,
-        .vidioc_g_chip_ident         = vidioc_g_chip_ident,
 
         .vidioc_overlay              = vidioc_overlay,
         .vidioc_g_fbuf               = vidioc_g_fbuf,
@@ -1039,7 +1017,6 @@ const struct v4l2_ioctl_ops saa7146_video_ioctl_ops = {
 const struct v4l2_ioctl_ops saa7146_vbi_ioctl_ops = {
         .vidioc_querycap             = vidioc_querycap,
         .vidioc_g_fmt_vbi_cap        = vidioc_g_fmt_vbi_cap,
-        .vidioc_g_chip_ident         = vidioc_g_chip_ident,
 
         .vidioc_reqbufs              = vidioc_reqbufs,
         .vidioc_querybuf             = vidioc_querybuf,
diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
index a334c94a303d..bfcfa3e8543e 100644
--- a/drivers/media/pci/bt8xx/bttv-driver.c
+++ b/drivers/media/pci/bt8xx/bttv-driver.c
@@ -50,7 +50,6 @@
 #include <media/v4l2-common.h>
 #include <media/v4l2-ioctl.h>
 #include <media/v4l2-event.h>
-#include <media/v4l2-chip-ident.h>
 #include <media/tvaudio.h>
 #include <media/msp3400.h>
 
@@ -1907,28 +1906,6 @@ static int bttv_log_status(struct file *file, void *f)
         return 0;
 }
 
-static int bttv_g_chip_ident(struct file *file, void *f, struct v4l2_dbg_chip_ident *chip)
-{
-        struct bttv_fh *fh  = f;
-        struct bttv *btv = fh->btv;
-
-        chip->ident = V4L2_IDENT_NONE;
-        chip->revision = 0;
-        if (chip->match.type == V4L2_CHIP_MATCH_HOST) {
-                if (v4l2_chip_match_host(&chip->match)) {
-                        chip->ident = btv->id;
-                        if (chip->ident == PCI_DEVICE_ID_FUSION879)
-                                chip->ident = V4L2_IDENT_BT879;
-                }
-                return 0;
-        }
-        if (chip->match.type != V4L2_CHIP_MATCH_I2C_DRIVER &&
-            chip->match.type != V4L2_CHIP_MATCH_I2C_ADDR)
-                return -EINVAL;
-        /* TODO: is this correct? */
-        return bttv_call_all_err(btv, core, g_chip_ident, chip);
-}
-
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 static int bttv_g_register(struct file *file, void *f,
                                         struct v4l2_dbg_register *reg)
@@ -1936,13 +1913,6 @@ static int bttv_g_register(struct file *file, void *f,
         struct bttv_fh *fh = f;
         struct bttv *btv = fh->btv;
 
-        if (!v4l2_chip_match_host(&reg->match)) {
-                /* TODO: subdev errors should not be ignored, this should become a
-                   subdev helper function. */
-                bttv_call_all(btv, core, g_register, reg);
-                return 0;
-        }
-
         /* bt848 has a 12-bit register space */
         reg->reg &= 0xfff;
         reg->val = btread(reg->reg);
@@ -1957,13 +1927,6 @@ static int bttv_s_register(struct file *file, void *f,
         struct bttv_fh *fh = f;
         struct bttv *btv = fh->btv;
 
-        if (!v4l2_chip_match_host(&reg->match)) {
-                /* TODO: subdev errors should not be ignored, this should become a
-                   subdev helper function. */
-                bttv_call_all(btv, core, s_register, reg);
-                return 0;
-        }
-
         /* bt848 has a 12-bit register space */
         btwrite(reg->val, reg->reg & 0xfff);
 
@@ -3203,7 +3166,6 @@ static const struct v4l2_ioctl_ops bttv_ioctl_ops = {
         .vidioc_querystd                = bttv_querystd,
         .vidioc_subscribe_event         = v4l2_ctrl_subscribe_event,
         .vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
-        .vidioc_g_chip_ident            = bttv_g_chip_ident,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
         .vidioc_g_register              = bttv_g_register,
         .vidioc_s_register              = bttv_s_register,
diff --git a/drivers/media/pci/saa7134/saa7134-empress.c b/drivers/media/pci/saa7134/saa7134-empress.c
index 66a70814004c..05ab2cb7ef3c 100644
--- a/drivers/media/pci/saa7134/saa7134-empress.c
+++ b/drivers/media/pci/saa7134/saa7134-empress.c
@@ -28,7 +28,6 @@
 
 #include <media/saa6752hs.h>
 #include <media/v4l2-common.h>
-#include <media/v4l2-chip-ident.h>
 
 /* ------------------------------------------------------------------ */
 
@@ -413,21 +412,6 @@ static int empress_querymenu(struct file *file, void *priv,
         return saa_call_empress(dev, core, querymenu, c);
 }
 
-static int empress_g_chip_ident(struct file *file, void *fh,
-               struct v4l2_dbg_chip_ident *chip)
-{
-        struct saa7134_dev *dev = file->private_data;
-
-        chip->ident = V4L2_IDENT_NONE;
-        chip->revision = 0;
-        if (chip->match.type == V4L2_CHIP_MATCH_I2C_DRIVER &&
-            !strcmp(chip->match.name, "saa6752hs"))
-                return saa_call_empress(dev, core, g_chip_ident, chip);
-        if (chip->match.type == V4L2_CHIP_MATCH_I2C_ADDR)
-                return saa_call_empress(dev, core, g_chip_ident, chip);
-        return -EINVAL;
-}
-
 static int empress_s_std(struct file *file, void *priv, v4l2_std_id id)
 {
         struct saa7134_dev *dev = file->private_data;
@@ -475,7 +459,6 @@ static const struct v4l2_ioctl_ops ts_ioctl_ops = {
         .vidioc_querymenu               = empress_querymenu,
         .vidioc_g_ctrl                  = empress_g_ctrl,
         .vidioc_s_ctrl                  = empress_s_ctrl,
-        .vidioc_g_chip_ident            = empress_g_chip_ident,
         .vidioc_s_std                   = empress_s_std,
         .vidioc_g_std                   = empress_g_std,
 };
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c
index cc409380ee16..737e643be27a 100644
--- a/drivers/media/pci/saa7134/saa7134-video.c
+++ b/drivers/media/pci/saa7134/saa7134-video.c
@@ -2258,8 +2258,6 @@ static int vidioc_g_register (struct file *file, void *priv,
         struct saa7134_fh *fh = priv;
         struct saa7134_dev *dev = fh->dev;
 
-        if (!v4l2_chip_match_host(&reg->match))
-                return -EINVAL;
         reg->val = saa_readb(reg->reg);
         reg->size = 1;
         return 0;
@@ -2271,8 +2269,6 @@ static int vidioc_s_register (struct file *file, void *priv,
         struct saa7134_fh *fh = priv;
         struct saa7134_dev *dev = fh->dev;
 
-        if (!v4l2_chip_match_host(&reg->match))
-                return -EINVAL;
         saa_writeb(reg->reg&0xffffff, reg->val);
         return 0;
 }
diff --git a/drivers/media/pci/saa7146/mxb.c b/drivers/media/pci/saa7146/mxb.c
index 52cbe7a027cc..8d177691cd7c 100644
--- a/drivers/media/pci/saa7146/mxb.c
+++ b/drivers/media/pci/saa7146/mxb.c
@@ -669,12 +669,8 @@ static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_regist
 {
         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 
-        if (v4l2_chip_match_host(&reg->match)) {
-                reg->val = saa7146_read(dev, reg->reg);
-                reg->size = 4;
-                return 0;
-        }
-        call_all(dev, core, g_register, reg);
+        reg->val = saa7146_read(dev, reg->reg);
+        reg->size = 4;
         return 0;
 }
 
@@ -682,11 +678,8 @@ static int vidioc_s_register(struct file *file, void *fh, const struct v4l2_dbg_
 {
         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 
-        if (v4l2_chip_match_host(&reg->match)) {
-                saa7146_write(dev, reg->reg, reg->val);
-                return 0;
-        }
-        return call_all(dev, core, s_register, reg);
+        saa7146_write(dev, reg->reg, reg->val);
+        return 0;
 }
 #endif
 
diff --git a/drivers/media/pci/saa7164/saa7164-encoder.c b/drivers/media/pci/saa7164/saa7164-encoder.c
index 63a72fb71f30..e4f53a55eab1 100644
--- a/drivers/media/pci/saa7164/saa7164-encoder.c
+++ b/drivers/media/pci/saa7164/saa7164-encoder.c
@@ -1288,38 +1288,6 @@ static const struct v4l2_file_operations mpeg_fops = {
         .unlocked_ioctl = video_ioctl2,
 };
 
-static int saa7164_g_chip_ident(struct file *file, void *fh,
-                                struct v4l2_dbg_chip_ident *chip)
-{
-        struct saa7164_port *port = ((struct saa7164_encoder_fh *)fh)->port;
-        struct saa7164_dev *dev = port->dev;
-        dprintk(DBGLVL_ENC, "%s()\n", __func__);
-
-        return 0;
-}
-
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-static int saa7164_g_register(struct file *file, void *fh,
-                              struct v4l2_dbg_register *reg)
-{
-        struct saa7164_port *port = ((struct saa7164_encoder_fh *)fh)->port;
-        struct saa7164_dev *dev = port->dev;
-        dprintk(DBGLVL_ENC, "%s()\n", __func__);
-
-        return 0;
-}
-
-static int saa7164_s_register(struct file *file, void *fh,
-                              const struct v4l2_dbg_register *reg)
-{
-        struct saa7164_port *port = ((struct saa7164_encoder_fh *)fh)->port;
-        struct saa7164_dev *dev = port->dev;
-        dprintk(DBGLVL_ENC, "%s()\n", __func__);
-
-        return 0;
-}
-#endif
-
 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
         .vidioc_s_std            = vidioc_s_std,
         .vidioc_enum_input       = vidioc_enum_input,
@@ -1340,11 +1308,6 @@ static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
         .vidioc_s_ext_ctrls      = vidioc_s_ext_ctrls,
         .vidioc_try_ext_ctrls    = vidioc_try_ext_ctrls,
         .vidioc_queryctrl        = vidioc_queryctrl,
-        .vidioc_g_chip_ident     = saa7164_g_chip_ident,
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-        .vidioc_g_register       = saa7164_g_register,
-        .vidioc_s_register       = saa7164_s_register,
-#endif
 };
 
 static struct video_device saa7164_mpeg_template = {
diff --git a/drivers/media/pci/saa7164/saa7164-vbi.c b/drivers/media/pci/saa7164/saa7164-vbi.c
index da224eb39b95..5a1a69b3dd15 100644
--- a/drivers/media/pci/saa7164/saa7164-vbi.c
+++ b/drivers/media/pci/saa7164/saa7164-vbi.c
@@ -1254,15 +1254,6 @@ static const struct v4l2_ioctl_ops vbi_ioctl_ops = {
         .vidioc_s_ext_ctrls      = vidioc_s_ext_ctrls,
         .vidioc_try_ext_ctrls    = vidioc_try_ext_ctrls,
         .vidioc_queryctrl        = vidioc_queryctrl,
-#if 0
-        .vidioc_g_chip_ident     = saa7164_g_chip_ident,
-#endif
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-#if 0
-        .vidioc_g_register       = saa7164_g_register,
-        .vidioc_s_register       = saa7164_s_register,
-#endif
-#endif
         .vidioc_g_fmt_vbi_cap    = saa7164_vbi_fmt,
         .vidioc_try_fmt_vbi_cap  = saa7164_vbi_fmt,
         .vidioc_s_fmt_vbi_cap    = saa7164_vbi_fmt,
diff --git a/drivers/media/pci/saa7164/saa7164.h b/drivers/media/pci/saa7164/saa7164.h
index 437284e747c9..8d9c7e692242 100644
--- a/drivers/media/pci/saa7164/saa7164.h
+++ b/drivers/media/pci/saa7164/saa7164.h
@@ -63,7 +63,6 @@
 #include <dmxdev.h>
 #include <media/v4l2-common.h>
 #include <media/v4l2-ioctl.h>
-#include <media/v4l2-chip-ident.h>
 
 #include "saa7164-reg.h"
 #include "saa7164-types.h"
diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c
index ca8d56aecfb0..6652e71ea794 100644
--- a/drivers/media/platform/blackfin/bfin_capture.c
+++ b/drivers/media/platform/blackfin/bfin_capture.c
@@ -32,7 +32,6 @@
 #include <linux/time.h>
 #include <linux/types.h>
 
-#include <media/v4l2-chip-ident.h>
 #include <media/v4l2-common.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
@@ -876,41 +875,6 @@ static int bcap_s_parm(struct file *file, void *fh,
         return v4l2_subdev_call(bcap_dev->sd, video, s_parm, a);
 }
 
-static int bcap_g_chip_ident(struct file *file, void *priv,
-                struct v4l2_dbg_chip_ident *chip)
-{
-        struct bcap_device *bcap_dev = video_drvdata(file);
-
-        chip->ident = V4L2_IDENT_NONE;
-        chip->revision = 0;
-        if (chip->match.type != V4L2_CHIP_MATCH_I2C_DRIVER &&
-                        chip->match.type != V4L2_CHIP_MATCH_I2C_ADDR)
-                return -EINVAL;
-
-        return v4l2_subdev_call(bcap_dev->sd, core,
-                        g_chip_ident, chip);
-}
-
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-static int bcap_dbg_g_register(struct file *file, void *priv,
-                struct v4l2_dbg_register *reg)
-{
-        struct bcap_device *bcap_dev = video_drvdata(file);
-
-        return v4l2_subdev_call(bcap_dev->sd, core,
-                        g_register, reg);
-}
-
-static int bcap_dbg_s_register(struct file *file, void *priv,
-                const struct v4l2_dbg_register *reg)
-{
-        struct bcap_device *bcap_dev = video_drvdata(file);
-
-        return v4l2_subdev_call(bcap_dev->sd, core,
-                        s_register, reg);
-}
-#endif
-
 static int bcap_log_status(struct file *file, void *priv)
 {
         struct bcap_device *bcap_dev = video_drvdata(file);
@@ -943,11 +907,6 @@ static const struct v4l2_ioctl_ops bcap_ioctl_ops = {
         .vidioc_streamoff        = bcap_streamoff,
         .vidioc_g_parm           = bcap_g_parm,
         .vidioc_s_parm           = bcap_s_parm,
-        .vidioc_g_chip_ident     = bcap_g_chip_ident,
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-        .vidioc_g_register       = bcap_dbg_g_register,
-        .vidioc_s_register       = bcap_dbg_s_register,
-#endif
         .vidioc_log_status       = bcap_log_status,
 };
 
diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c
index caaf4fedadec..d004531e740d 100644
--- a/drivers/media/platform/davinci/vpif_capture.c
+++ b/drivers/media/platform/davinci/vpif_capture.c
@@ -24,7 +24,6 @@
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 
-#include <media/v4l2-chip-ident.h>
 #include <media/v4l2-ioctl.h>
 
 #include "vpif.h"
@@ -1863,66 +1862,6 @@ static int vpif_g_dv_timings(struct file *file, void *priv,
 }
 
 /*
- * vpif_g_chip_ident() - Identify the chip
- * @file: file ptr
- * @priv: file handle
- * @chip: chip identity
- *
- * Returns zero or -EINVAL if read operations fails.
- */
-static int vpif_g_chip_ident(struct file *file, void *priv,
-                struct v4l2_dbg_chip_ident *chip)
-{
-        chip->ident = V4L2_IDENT_NONE;
-        chip->revision = 0;
-        if (chip->match.type != V4L2_CHIP_MATCH_I2C_DRIVER &&
-                        chip->match.type != V4L2_CHIP_MATCH_I2C_ADDR) {
-                vpif_dbg(2, debug, "match_type is invalid.\n");
-                return -EINVAL;
-        }
-
-        return v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 0, core,
-                        g_chip_ident, chip);
-}
-
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-/*
- * vpif_dbg_g_register() - Read register
- * @file: file ptr
- * @priv: file handle
- * @reg: register to be read
- *
- * Debugging only
- * Returns zero or -EINVAL if read operations fails.
- */
-static int vpif_dbg_g_register(struct file *file, void *priv,
-                struct v4l2_dbg_register *reg){
-        struct vpif_fh *fh = priv;
-        struct channel_obj *ch = fh->channel;
-
-        return v4l2_subdev_call(ch->sd, core, g_register, reg);
-}
-
-/*
- * vpif_dbg_s_register() - Write to register
- * @file: file ptr
- * @priv: file handle
- * @reg: register to be modified
- *
- * Debugging only
- * Returns zero or -EINVAL if write operations fails.
- */
-static int vpif_dbg_s_register(struct file *file, void *priv,
-                const struct v4l2_dbg_register *reg)
-{
-        struct vpif_fh *fh = priv;
-        struct channel_obj *ch = fh->channel;
-
-        return v4l2_subdev_call(ch->sd, core, s_register, reg);
-}
-#endif
-
-/*
  * vpif_log_status() - Status information
  * @file: file ptr
  * @priv: file handle
@@ -1963,11 +1902,6 @@ static const struct v4l2_ioctl_ops vpif_ioctl_ops = {
         .vidioc_query_dv_timings        = vpif_query_dv_timings,
         .vidioc_s_dv_timings            = vpif_s_dv_timings,
         .vidioc_g_dv_timings            = vpif_g_dv_timings,
-        .vidioc_g_chip_ident            = vpif_g_chip_ident,
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-        .vidioc_g_register              = vpif_dbg_g_register,
-        .vidioc_s_register              = vpif_dbg_s_register,
-#endif
         .vidioc_log_status              = vpif_log_status,
 };
 
diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c
index 5b6f9065b881..6c521f23e40e 100644
--- a/drivers/media/platform/davinci/vpif_display.c
+++ b/drivers/media/platform/davinci/vpif_display.c
@@ -19,7 +19,6 @@
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 
-#include <media/v4l2-chip-ident.h>
 #include <media/v4l2-ioctl.h>
 
 #include "vpif.h"
@@ -1501,66 +1500,6 @@ static int vpif_g_dv_timings(struct file *file, void *priv,
 }
 
 /*
- * vpif_g_chip_ident() - Identify the chip
- * @file: file ptr
- * @priv: file handle
- * @chip: chip identity
- *
- * Returns zero or -EINVAL if read operations fails.
- */
-static int vpif_g_chip_ident(struct file *file, void *priv,
-                struct v4l2_dbg_chip_ident *chip)
-{
-        chip->ident = V4L2_IDENT_NONE;
-        chip->revision = 0;
-        if (chip->match.type != V4L2_CHIP_MATCH_I2C_DRIVER &&
-                        chip->match.type != V4L2_CHIP_MATCH_I2C_ADDR) {
-                vpif_dbg(2, debug, "match_type is invalid.\n");
-                return -EINVAL;
-        }
-
-        return v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 0, core,
-                        g_chip_ident, chip);
-}
-
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-/*
- * vpif_dbg_g_register() - Read register
- * @file: file ptr
- * @priv: file handle
- * @reg: register to be read
- *
- * Debugging only
- * Returns zero or -EINVAL if read operations fails.
- */
-static int vpif_dbg_g_register(struct file *file, void *priv,
-                struct v4l2_dbg_register *reg){
-        struct vpif_fh *fh = priv;
-        struct channel_obj *ch = fh->channel;
-
-        return v4l2_subdev_call(ch->sd, core, g_register, reg);
-}
-
-/*
- * vpif_dbg_s_register() - Write to register
- * @file: file ptr
- * @priv: file handle
- * @reg: register to be modified
- *
- * Debugging only
- * Returns zero or -EINVAL if write operations fails.
- */
-static int vpif_dbg_s_register(struct file *file, void *priv,
-                const struct v4l2_dbg_register *reg)
-{
-        struct vpif_fh *fh = priv;
-        struct channel_obj *ch = fh->channel;
-
-        return v4l2_subdev_call(ch->sd, core, s_register, reg);
-}
-#endif
-
-/*
  * vpif_log_status() - Status information
  * @file: file ptr
  * @priv: file handle
@@ -1599,11 +1538,6 @@ static const struct v4l2_ioctl_ops vpif_ioctl_ops = {
         .vidioc_enum_dv_timings         = vpif_enum_dv_timings,
         .vidioc_s_dv_timings            = vpif_s_dv_timings,
         .vidioc_g_dv_timings            = vpif_g_dv_timings,
-        .vidioc_g_chip_ident            = vpif_g_chip_ident,
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-        .vidioc_g_register              = vpif_dbg_g_register,
-        .vidioc_s_register              = vpif_dbg_s_register,
-#endif
         .vidioc_log_status              = vpif_log_status,
 };
 
diff --git a/drivers/media/platform/sh_vou.c b/drivers/media/platform/sh_vou.c
index 7d0235069c87..fa8ae7241521 100644
--- a/drivers/media/platform/sh_vou.c
+++ b/drivers/media/platform/sh_vou.c
@@ -1248,32 +1248,6 @@ static unsigned int sh_vou_poll(struct file *file, poll_table *wait)
         return res;
 }
 
-static int sh_vou_g_chip_ident(struct file *file, void *fh,
-                                   struct v4l2_dbg_chip_ident *id)
-{
-        struct sh_vou_device *vou_dev = video_drvdata(file);
-
-        return v4l2_device_call_until_err(&vou_dev->v4l2_dev, 0, core, g_chip_ident, id);
-}
-
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-static int sh_vou_g_register(struct file *file, void *fh,
-                                 struct v4l2_dbg_register *reg)
-{
-        struct sh_vou_device *vou_dev = video_drvdata(file);
-
-        return v4l2_device_call_until_err(&vou_dev->v4l2_dev, 0, core, g_register, reg);
-}
-
-static int sh_vou_s_register(struct file *file, void *fh,
-                                 const struct v4l2_dbg_register *reg)
-{
-        struct sh_vou_device *vou_dev = video_drvdata(file);
-
-        return v4l2_device_call_until_err(&vou_dev->v4l2_dev, 0, core, s_register, reg);
-}
-#endif
-
 /* sh_vou display ioctl operations */
 static const struct v4l2_ioctl_ops sh_vou_ioctl_ops = {
         .vidioc_querycap                = sh_vou_querycap,
@@ -1292,11 +1266,6 @@ static const struct v4l2_ioctl_ops sh_vou_ioctl_ops = {
         .vidioc_cropcap                 = sh_vou_cropcap,
         .vidioc_g_crop                  = sh_vou_g_crop,
         .vidioc_s_crop                  = sh_vou_s_crop,
-        .vidioc_g_chip_ident            = sh_vou_g_chip_ident,
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-        .vidioc_g_register              = sh_vou_g_register,
-        .vidioc_s_register              = sh_vou_s_register,
-#endif
 };
 
 static const struct v4l2_file_operations sh_vou_fops = {
diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c
index eea832c5fd01..68efade15a7c 100644
--- a/drivers/media/platform/soc_camera/soc_camera.c
+++ b/drivers/media/platform/soc_camera/soc_camera.c
@@ -1036,35 +1036,6 @@ static int soc_camera_s_parm(struct file *file, void *fh,
         return -ENOIOCTLCMD;
 }
 
-static int soc_camera_g_chip_ident(struct file *file, void *fh,
-                                   struct v4l2_dbg_chip_ident *id)
-{
-        struct soc_camera_device *icd = file->private_data;
-        struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
-
-        return v4l2_subdev_call(sd, core, g_chip_ident, id);
-}
-
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-static int soc_camera_g_register(struct file *file, void *fh,
-                                 struct v4l2_dbg_register *reg)
-{
-        struct soc_camera_device *icd = file->private_data;
-        struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
-
-        return v4l2_subdev_call(sd, core, g_register, reg);
-}
-
-static int soc_camera_s_register(struct file *file, void *fh,
-                                 const struct v4l2_dbg_register *reg)
-{
-        struct soc_camera_device *icd = file->private_data;
-        struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
-
-        return v4l2_subdev_call(sd, core, s_register, reg);
-}
-#endif
-
 static int soc_camera_probe(struct soc_camera_device *icd);
 
 /* So far this function cannot fail */
@@ -1495,11 +1466,6 @@ static const struct v4l2_ioctl_ops soc_camera_ioctl_ops = {
         .vidioc_s_selection      = soc_camera_s_selection,
         .vidioc_g_parm           = soc_camera_g_parm,
         .vidioc_s_parm           = soc_camera_s_parm,
-        .vidioc_g_chip_ident     = soc_camera_g_chip_ident,
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-        .vidioc_g_register       = soc_camera_g_register,
-        .vidioc_s_register       = soc_camera_s_register,
-#endif
 };
 
 static int video_dev_create(struct soc_camera_device *icd)
diff --git a/drivers/media/platform/via-camera.c b/drivers/media/platform/via-camera.c
index a794cd6c4441..e3438277b80b 100644
--- a/drivers/media/platform/via-camera.c
+++ b/drivers/media/platform/via-camera.c
@@ -17,7 +17,6 @@
 #include <linux/videodev2.h>
 #include <media/v4l2-device.h>
 #include <media/v4l2-ioctl.h>
-#include <media/v4l2-chip-ident.h>
 #include <media/v4l2-ctrls.h>
 #include <media/ov7670.h>
 #include <media/videobuf-dma-sg.h>
@@ -805,20 +804,6 @@ static const struct v4l2_file_operations viacam_fops = {
  * The long list of v4l2 ioctl ops
  */
 
-static int viacam_g_chip_ident(struct file *file, void *priv,
-                struct v4l2_dbg_chip_ident *ident)
-{
-        struct via_camera *cam = priv;
-
-        ident->ident = V4L2_IDENT_NONE;
-        ident->revision = 0;
-        if (v4l2_chip_match_host(&ident->match)) {
-                ident->ident = V4L2_IDENT_VIA_VX855;
-                return 0;
-        }
-        return sensor_call(cam, core, g_chip_ident, ident);
-}
-
 /*
  * Only one input.
  */
@@ -1174,7 +1159,6 @@ static int viacam_enum_frameintervals(struct file *filp, void *priv,
 
 
 static const struct v4l2_ioctl_ops viacam_ioctl_ops = {
-        .vidioc_g_chip_ident    = viacam_g_chip_ident,
         .vidioc_enum_input      = viacam_enum_input,
         .vidioc_g_input         = viacam_g_input,
         .vidioc_s_input         = viacam_s_input,
diff --git a/drivers/media/radio/radio-si476x.c b/drivers/media/radio/radio-si476x.c
index 9430c6a29937..e039d0332831 100644
--- a/drivers/media/radio/radio-si476x.c
+++ b/drivers/media/radio/radio-si476x.c
@@ -1018,16 +1018,6 @@ static int si476x_radio_s_ctrl(struct v4l2_ctrl *ctrl)
         return retval;
 }
 
-static int si476x_radio_g_chip_ident(struct file *file, void *fh,
-                                     struct v4l2_dbg_chip_ident *chip)
-{
-        if (chip->match.type == V4L2_CHIP_MATCH_HOST &&
-            v4l2_chip_match_host(&chip->match))
-                return 0;
-        return -EINVAL;
-}
-
-
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 static int si476x_radio_g_register(struct file *file, void *fh,
                                    struct v4l2_dbg_register *reg)
@@ -1203,7 +1193,6 @@ static const struct v4l2_ioctl_ops si4761_ioctl_ops = {
         .vidioc_subscribe_event         = v4l2_ctrl_subscribe_event,
         .vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
 
-        .vidioc_g_chip_ident            = si476x_radio_g_chip_ident,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
         .vidioc_g_register              = si476x_radio_g_register,
         .vidioc_s_register              = si476x_radio_s_register,
diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c
index 75ac9947cdac..4944a365570a 100644
--- a/drivers/media/usb/au0828/au0828-video.c
+++ b/drivers/media/usb/au0828/au0828-video.c
@@ -36,7 +36,6 @@
 #include <media/v4l2-common.h>
 #include <media/v4l2-ioctl.h>
 #include <media/v4l2-event.h>
-#include <media/v4l2-chip-ident.h>
 #include <media/tuner.h>
 #include "au0828.h"
 #include "au0828-reg.h"
@@ -1638,26 +1637,6 @@ static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
         return 0;
 }
 
-static int vidioc_g_chip_ident(struct file *file, void *priv,
-               struct v4l2_dbg_chip_ident *chip)
-{
-        struct au0828_fh *fh = priv;
-        struct au0828_dev *dev = fh->dev;
-        chip->ident = V4L2_IDENT_NONE;
-        chip->revision = 0;
-
-        if (v4l2_chip_match_host(&chip->match)) {
-                chip->ident = V4L2_IDENT_AU0828;
-                return 0;
-        }
-
-        v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip);
-        if (chip->ident == V4L2_IDENT_NONE)
-                return -EINVAL;
-
-        return 0;
-}
-
 static int vidioc_cropcap(struct file *file, void *priv,
                           struct v4l2_cropcap *cc)
 {
@@ -1779,15 +1758,6 @@ static int vidioc_g_register(struct file *file, void *priv,
         struct au0828_fh *fh = priv;
         struct au0828_dev *dev = fh->dev;
 
-        switch (reg->match.type) {
-        case V4L2_CHIP_MATCH_I2C_DRIVER:
-                v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg);
-                return 0;
-        default:
-                if (!v4l2_chip_match_host(&reg->match))
-                        return -EINVAL;
-        }
-
         reg->val = au0828_read(dev, reg->reg);
         return 0;
 }
@@ -1798,14 +1768,6 @@ static int vidioc_s_register(struct file *file, void *priv,
         struct au0828_fh *fh = priv;
         struct au0828_dev *dev = fh->dev;
 
-        switch (reg->match.type) {
-        case V4L2_CHIP_MATCH_I2C_DRIVER:
-                v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg);
-                return 0;
-        default:
-                if (!v4l2_chip_match_host(&reg->match))
-                        return -EINVAL;
-        }
         return au0828_writereg(dev, reg->reg, reg->val);
 }
 #endif
@@ -1943,7 +1905,6 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
         .vidioc_g_register          = vidioc_g_register,
         .vidioc_s_register          = vidioc_s_register,
 #endif
-        .vidioc_g_chip_ident        = vidioc_g_chip_ident,
         .vidioc_log_status          = vidioc_log_status,
         .vidioc_subscribe_event     = v4l2_ctrl_subscribe_event,
         .vidioc_unsubscribe_event   = v4l2_event_unsubscribe,
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 32d60e5546bc..1a577ed8ea0c 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -41,7 +41,6 @@
 #include <media/v4l2-common.h>
 #include <media/v4l2-ioctl.h>
 #include <media/v4l2-event.h>
-#include <media/v4l2-chip-ident.h>
 #include <media/msp3400.h>
 #include <media/tuner.h>
 
@@ -1309,28 +1308,6 @@ static int vidioc_s_frequency(struct file *file, void *priv,
         return 0;
 }
 
-static int vidioc_g_chip_ident(struct file *file, void *priv,
-               struct v4l2_dbg_chip_ident *chip)
-{
-        struct em28xx_fh      *fh  = priv;
-        struct em28xx         *dev = fh->dev;
-
-        chip->ident = V4L2_IDENT_NONE;
-        chip->revision = 0;
-        if (chip->match.type == V4L2_CHIP_MATCH_BRIDGE) {
-                if (chip->match.addr > 1)
-                        return -EINVAL;
-                return 0;
-        }
-        if (chip->match.type != V4L2_CHIP_MATCH_I2C_DRIVER &&
-            chip->match.type != V4L2_CHIP_MATCH_I2C_ADDR)
-                return -EINVAL;
-
-        v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip);
-
-        return 0;
-}
-
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 static int vidioc_g_chip_info(struct file *file, void *priv,
                struct v4l2_dbg_chip_info *chip)
@@ -1366,14 +1343,9 @@ static int vidioc_g_register(struct file *file, void *priv,
         struct em28xx         *dev = fh->dev;
         int ret;
 
-        switch (reg->match.type) {
-        case V4L2_CHIP_MATCH_BRIDGE:
-                if (reg->match.addr > 1)
-                        return -EINVAL;
-                if (!reg->match.addr)
-                        break;
-                /* fall-through */
-        case V4L2_CHIP_MATCH_AC97:
+        if (reg->match.addr > 1)
+                return -EINVAL;
+        if (reg->match.addr) {
                 ret = em28xx_read_ac97(dev, reg->reg);
                 if (ret < 0)
                         return ret;
@@ -1381,15 +1353,6 @@ static int vidioc_g_register(struct file *file, void *priv,
                 reg->val = ret;
                 reg->size = 1;
                 return 0;
-        case V4L2_CHIP_MATCH_I2C_DRIVER:
-                v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg);
-                return 0;
-        case V4L2_CHIP_MATCH_I2C_ADDR:
-                /* TODO: is this correct? */
-                v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg);
-                return 0;
-        default:
-                return -EINVAL;
         }
 
         /* Match host */
@@ -1421,25 +1384,10 @@ static int vidioc_s_register(struct file *file, void *priv,
         struct em28xx         *dev = fh->dev;
         __le16 buf;
 
-        switch (reg->match.type) {
-        case V4L2_CHIP_MATCH_BRIDGE:
-                if (reg->match.addr > 1)
-                        return -EINVAL;
-                if (!reg->match.addr)
-                        break;
-                /* fall-through */
-        case V4L2_CHIP_MATCH_AC97:
-                return em28xx_write_ac97(dev, reg->reg, reg->val);
-        case V4L2_CHIP_MATCH_I2C_DRIVER:
-                v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg);
-                return 0;
-        case V4L2_CHIP_MATCH_I2C_ADDR:
-                /* TODO: is this correct? */
-                v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg);
-                return 0;
-        default:
+        if (reg->match.addr > 1)
                 return -EINVAL;
-        }
+        if (reg->match.addr)
+                return em28xx_write_ac97(dev, reg->reg, reg->val);
 
         /* Match host */
         buf = cpu_to_le16(reg->val);
@@ -1795,7 +1743,6 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
         .vidioc_s_frequency         = vidioc_s_frequency,
         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
-        .vidioc_g_chip_ident        = vidioc_g_chip_ident,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
         .vidioc_g_chip_info         = vidioc_g_chip_info,
         .vidioc_g_register          = vidioc_g_register,
@@ -1826,7 +1773,6 @@ static const struct v4l2_ioctl_ops radio_ioctl_ops = {
         .vidioc_s_frequency   = vidioc_s_frequency,
         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
-        .vidioc_g_chip_ident  = vidioc_g_chip_ident,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
         .vidioc_g_chip_info   = vidioc_g_chip_info,
         .vidioc_g_register    = vidioc_g_register,
diff --git a/drivers/media/usb/stk1160/stk1160-v4l.c b/drivers/media/usb/stk1160/stk1160-v4l.c
index a59153d2f8bf..876fc26565e3 100644
--- a/drivers/media/usb/stk1160/stk1160-v4l.c
+++ b/drivers/media/usb/stk1160/stk1160-v4l.c
@@ -31,7 +31,6 @@
 #include <media/v4l2-ioctl.h>
 #include <media/v4l2-fh.h>
 #include <media/v4l2-event.h>
-#include <media/v4l2-chip-ident.h>
 #include <media/videobuf2-vmalloc.h>
 
 #include <media/saa7115.h>
@@ -454,19 +453,6 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
         return 0;
 }
 
-static int vidioc_g_chip_ident(struct file *file, void *priv,
-               struct v4l2_dbg_chip_ident *chip)
-{
-        switch (chip->match.type) {
-        case V4L2_CHIP_MATCH_BRIDGE:
-                chip->ident = V4L2_IDENT_NONE;
-                chip->revision = 0;
-                return 0;
-        default:
-                return -EINVAL;
-        }
-}
-
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 static int vidioc_g_register(struct file *file, void *priv,
                              struct v4l2_dbg_register *reg)
@@ -475,19 +461,6 @@ static int vidioc_g_register(struct file *file, void *priv,
         int rc;
         u8 val;
 
-        switch (reg->match.type) {
-        case V4L2_CHIP_MATCH_I2C_DRIVER:
-                v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg);
-                return 0;
-        case V4L2_CHIP_MATCH_I2C_ADDR:
-                /* TODO: is this correct? */
-                v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg);
-                return 0;
-        default:
-                if (!v4l2_chip_match_host(&reg->match))
-                        return -EINVAL;
-        }
-
         /* Match host */
         rc = stk1160_read_reg(dev, reg->reg, &val);
         reg->val = val;
@@ -501,19 +474,6 @@ static int vidioc_s_register(struct file *file, void *priv,
 {
         struct stk1160 *dev = video_drvdata(file);
 
-        switch (reg->match.type) {
-        case V4L2_CHIP_MATCH_I2C_DRIVER:
-                v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg);
-                return 0;
-        case V4L2_CHIP_MATCH_I2C_ADDR:
-                /* TODO: is this correct? */
-                v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg);
-                return 0;
-        default:
-                if (!v4l2_chip_match_host(&reg->match))
-                        return -EINVAL;
-        }
-
         /* Match host */
         return stk1160_write_reg(dev, reg->reg, cpu_to_le16(reg->val));
 }
@@ -543,7 +503,6 @@ static const struct v4l2_ioctl_ops stk1160_ioctl_ops = {
         .vidioc_log_status  = v4l2_ctrl_log_status,
         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
-        .vidioc_g_chip_ident = vidioc_g_chip_ident,
 
 #ifdef CONFIG_VIDEO_ADV_DEBUG
         .vidioc_g_register = vidioc_g_register,