Merge branch 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging

* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
  i2c: I2C bus multiplexer driver pca954x
  i2c: Multiplexed I2C bus core support
  i2c: Use a separate mutex for userspace client lists
  i2c: Make i2c_default_probe self-sufficient
  i2c: Drop dummy variable
  i2c: Move adapter locking helpers to i2c-core
  V4L/DVB: Use custom I2C probing function mechanism
  i2c: Add support for custom probe function
  i2c-dev: Use memdup_user
  i2c-dev: Remove unnecessary kmalloc casts

7 files changed, 19 insertions, 34 deletions

diff --git a/drivers/media/video/bt8xx/bttv-i2c.c b/drivers/media/video/bt8xx/bttv-i2c.c
index 407fa61e4cda..685d6597ee79 100644
--- a/drivers/media/video/bt8xx/bttv-i2c.c
+++ b/drivers/media/video/bt8xx/bttv-i2c.c
@@ -411,7 +411,7 @@ void __devinit init_bttv_i2c_ir(struct bttv *btv)
 
 		memset(&info, 0, sizeof(struct i2c_board_info));
 		strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
-		i2c_new_probed_device(&btv->c.i2c_adap, &info, addr_list);
+		i2c_new_probed_device(&btv->c.i2c_adap, &info, addr_list, NULL);
 	}
 }
 
diff --git a/drivers/media/video/cx18/cx18-i2c.c b/drivers/media/video/cx18/cx18-i2c.c
index 809f7d37129c..73ce90c2f577 100644
--- a/drivers/media/video/cx18/cx18-i2c.c
+++ b/drivers/media/video/cx18/cx18-i2c.c
@@ -117,7 +117,8 @@ static int cx18_i2c_new_ir(struct cx18 *cx, struct i2c_adapter *adap, u32 hw,
 		break;
 	}
 
-	return i2c_new_probed_device(adap, &info, addr_list) == NULL ? -1 : 0;
+	return i2c_new_probed_device(adap, &info, addr_list, NULL) == NULL ?
+	       -1 : 0;
 }
 
 int cx18_i2c_register(struct cx18 *cx, unsigned idx)
diff --git a/drivers/media/video/cx23885/cx23885-i2c.c b/drivers/media/video/cx23885/cx23885-i2c.c
index 1a391486e551..ed3d8f55029b 100644
--- a/drivers/media/video/cx23885/cx23885-i2c.c
+++ b/drivers/media/video/cx23885/cx23885-i2c.c
@@ -364,17 +364,10 @@ int cx23885_i2c_register(struct cx23885_i2c *bus)
 
 		memset(&info, 0, sizeof(struct i2c_board_info));
 		strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
-		/*
-		 * We can't call i2c_new_probed_device() because it uses
-		 * quick writes for probing and the IR receiver device only
-		 * replies to reads.
-		 */
-		if (i2c_smbus_xfer(&bus->i2c_adap, addr_list[0], 0,
-				   I2C_SMBUS_READ, 0, I2C_SMBUS_QUICK,
-				   NULL) >= 0) {
-			info.addr = addr_list[0];
-			i2c_new_device(&bus->i2c_adap, &info);
-		}
+		/* Use quick read command for probe, some IR chips don't
+		 * support writes */
+		i2c_new_probed_device(&bus->i2c_adap, &info, addr_list,
+				      i2c_probe_func_quick_read);
 	}
 
 	return bus->i2c_rc;
diff --git a/drivers/media/video/cx88/cx88-i2c.c b/drivers/media/video/cx88/cx88-i2c.c
index 375ad53f7961..82db555b22dd 100644
--- a/drivers/media/video/cx88/cx88-i2c.c
+++ b/drivers/media/video/cx88/cx88-i2c.c
@@ -193,24 +193,13 @@ void cx88_i2c_init_ir(struct cx88_core *core)
 			0x18, 0x6b, 0x71,
 			I2C_CLIENT_END
 		};
-		const unsigned short *addrp;
 
 		memset(&info, 0, sizeof(struct i2c_board_info));
 		strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
-		/*
-		 * We can't call i2c_new_probed_device() because it uses
-		 * quick writes for probing and at least some R receiver
-		 * devices only reply to reads.
-		 */
-		for (addrp = addr_list; *addrp != I2C_CLIENT_END; addrp++) {
-			if (i2c_smbus_xfer(&core->i2c_adap, *addrp, 0,
-					   I2C_SMBUS_READ, 0,
-					   I2C_SMBUS_QUICK, NULL) >= 0) {
-				info.addr = *addrp;
-				i2c_new_device(&core->i2c_adap, &info);
-				break;
-			}
-		}
+		/* Use quick read command for probe, some IR chips don't
+		 * support writes */
+		i2c_new_probed_device(&core->i2c_adap, &info, addr_list,
+				      i2c_probe_func_quick_read);
 	}
 }
 
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index ffbe544e30f4..e7efb4bffabd 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -2385,7 +2385,7 @@ void em28xx_register_i2c_ir(struct em28xx *dev)
 
 	if (dev->init_data.name)
 		info.platform_data = &dev->init_data;
-	i2c_new_probed_device(&dev->i2c_adap, &info, addr_list);
+	i2c_new_probed_device(&dev->i2c_adap, &info, addr_list, NULL);
 }
 
 void em28xx_card_setup(struct em28xx *dev)
diff --git a/drivers/media/video/ivtv/ivtv-i2c.c b/drivers/media/video/ivtv/ivtv-i2c.c
index d391bbdb0b8a..a74fa099c565 100644
--- a/drivers/media/video/ivtv/ivtv-i2c.c
+++ b/drivers/media/video/ivtv/ivtv-i2c.c
@@ -183,8 +183,8 @@ static int ivtv_i2c_new_ir(struct ivtv *itv, u32 hw, const char *type, u8 addr)
 			return -1;
 		memset(&info, 0, sizeof(struct i2c_board_info));
 		strlcpy(info.type, type, I2C_NAME_SIZE);
-		return i2c_new_probed_device(adap, &info, addr_list) == NULL
-								     ? -1 : 0;
+		return i2c_new_probed_device(adap, &info, addr_list, NULL)
+							   == NULL ? -1 : 0;
 	}
 
 	/* Only allow one IR receiver to be registered per board */
@@ -221,7 +221,8 @@ static int ivtv_i2c_new_ir(struct ivtv *itv, u32 hw, const char *type, u8 addr)
 	info.platform_data = init_data;
 	strlcpy(info.type, type, I2C_NAME_SIZE);
 
-	return i2c_new_probed_device(adap, &info, addr_list) == NULL ? -1 : 0;
+	return i2c_new_probed_device(adap, &info, addr_list, NULL) == NULL ?
+	       -1 : 0;
 }
 
 /* Instantiate the IR receiver device using probing -- undesirable */
@@ -249,7 +250,7 @@ struct i2c_client *ivtv_i2c_new_ir_legacy(struct ivtv *itv)
 
 	memset(&info, 0, sizeof(struct i2c_board_info));
 	strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
-	return i2c_new_probed_device(&itv->i2c_adap, &info, addr_list);
+	return i2c_new_probed_device(&itv->i2c_adap, &info, addr_list, NULL);
 }
 
 int ivtv_i2c_register(struct ivtv *itv, unsigned idx)
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c
index 3ce7c64e5789..8ee1179be926 100644
--- a/drivers/media/video/v4l2-common.c
+++ b/drivers/media/video/v4l2-common.c
@@ -381,7 +381,8 @@ struct v4l2_subdev *v4l2_i2c_new_subdev_board(struct v4l2_device *v4l2_dev,
 
 	/* Create the i2c client */
 	if (info->addr == 0 && probe_addrs)
-		client = i2c_new_probed_device(adapter, info, probe_addrs);
+		client = i2c_new_probed_device(adapter, info, probe_addrs,
+					       NULL);
 	else
 		client = i2c_new_device(adapter, info);