Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

[~andy/linux] / drivers / media / i2c / m52790.c

diff --git a/drivers/media/i2c/m52790.c b/drivers/media/i2c/m52790.c
index 39f50fd2b8d2b570444362838ac12305e6b1a2a9..bf476358704da8fc1f8cecc626fd285c62227a64 100644 (file)
--- a/drivers/media/i2c/m52790.c
+++ b/drivers/media/i2c/m52790.c
@@ -29,7 +29,6 @@
 #include <linux/videodev2.h>
 #include <media/m52790.h>
 #include <media/v4l2-device.h>
-#include <media/v4l2-chip-ident.h>
 
 MODULE_DESCRIPTION("i2c device driver for m52790 A/V switch");
 MODULE_AUTHOR("Hans Verkuil");
@@ -83,12 +82,7 @@ static int m52790_s_routing(struct v4l2_subdev *sd,
 static int m52790_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
 {
        struct m52790_state *state = to_state(sd);
-       struct i2c_client *client = v4l2_get_subdevdata(sd);
 
-       if (!v4l2_chip_match_i2c_client(client, &reg->match))
-               return -EINVAL;
-       if (!capable(CAP_SYS_ADMIN))
-               return -EPERM;
        if (reg->reg != 0)
                return -EINVAL;
        reg->size = 1;
@@ -99,12 +93,7 @@ static int m52790_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *r
 static int m52790_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
 {
        struct m52790_state *state = to_state(sd);
-       struct i2c_client *client = v4l2_get_subdevdata(sd);
 
-       if (!v4l2_chip_match_i2c_client(client, &reg->match))
-               return -EINVAL;
-       if (!capable(CAP_SYS_ADMIN))
-               return -EPERM;
        if (reg->reg != 0)
                return -EINVAL;
        state->input = reg->val & 0x0303;
@@ -114,13 +103,6 @@ static int m52790_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regis
 }
 #endif
 
-static int m52790_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
-{
-       struct i2c_client *client = v4l2_get_subdevdata(sd);
-
-       return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_M52790, 0);
-}
-
 static int m52790_log_status(struct v4l2_subdev *sd)
 {
        struct m52790_state *state = to_state(sd);
@@ -136,7 +118,6 @@ static int m52790_log_status(struct v4l2_subdev *sd)
 
 static const struct v4l2_subdev_core_ops m52790_core_ops = {
        .log_status = m52790_log_status,
-       .g_chip_ident = m52790_g_chip_ident,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
        .g_register = m52790_g_register,
        .s_register = m52790_s_register,
@@ -174,7 +155,7 @@ static int m52790_probe(struct i2c_client *client,
        v4l_info(client, "chip found @ 0x%x (%s)\n",
                        client->addr << 1, client->adapter->name);
 
-       state = kzalloc(sizeof(struct m52790_state), GFP_KERNEL);
+       state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
        if (state == NULL)
                return -ENOMEM;
 
@@ -191,7 +172,6 @@ static int m52790_remove(struct i2c_client *client)
        struct v4l2_subdev *sd = i2c_get_clientdata(client);
 
        v4l2_device_unregister_subdev(sd);
-       kfree(to_state(sd));
        return 0;
 }