docs: i2c: convert to ReST and add to driver-api bookset

Convert each file at I2C subsystem, renaming them to .rst and
adding to the driver-api book.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

5 files changed, 7 insertions, 7 deletions

diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index abedd55a1264..1474e57ecafc 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -54,7 +54,7 @@ config I2C_CHARDEV
 	  Say Y here to use i2c-* device files, usually found in the /dev
 	  directory on your system.  They make it possible to have user-space
 	  programs use the I2C bus.  Information on how to do this is
-	  contained in the file <file:Documentation/i2c/dev-interface>.
+	  contained in the file <file:Documentation/i2c/dev-interface.rst>.
 
 	  This support is also available as a module.  If so, the module 
 	  will be called i2c-dev.
@@ -107,7 +107,7 @@ config I2C_STUB
 	  especially for certain kinds of sensor chips.
 
 	  If you do build this module, be sure to read the notes and warnings
-	  in <file:Documentation/i2c/i2c-stub>.
+	  in <file:Documentation/i2c/i2c-stub.rst>.
 
 	  If you don't know what to do here, definitely say N.
 
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 09367fc014c3..22fcf554257b 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -1206,7 +1206,7 @@ config I2C_PARPORT
 	  and makes it easier to add support for new devices.
 
 	  An adapter type parameter is now mandatory.  Please read the file
-	  Documentation/i2c/busses/i2c-parport for details.
+	  Documentation/i2c/busses/i2c-parport.rst for details.
 
 	  Another driver exists, named i2c-parport-light, which doesn't depend
 	  on the parport driver.  This is meant for embedded systems. Don't say
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index f2956936c3f2..c2f087d20420 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -77,7 +77,7 @@
  * SMBus Host Notify			yes
  * Interrupt processing			yes
  *
- * See the file Documentation/i2c/busses/i2c-i801 for details.
+ * See the file Documentation/i2c/busses/i2c-i801.rst for details.
  */
 
 #include <linux/interrupt.h>
diff --git a/drivers/i2c/busses/i2c-taos-evm.c b/drivers/i2c/busses/i2c-taos-evm.c
index c82e78f57386..37347c93e8e0 100644
--- a/drivers/i2c/busses/i2c-taos-evm.c
+++ b/drivers/i2c/busses/i2c-taos-evm.c
@@ -125,7 +125,7 @@ static int taos_smbus_xfer(struct i2c_adapter *adapter, u16 addr,
 			/*
 			 * Voluntarily dropping error code of kstrtou8 since all
 			 * error code that it could return are invalid according
-			 * to Documentation/i2c/fault-codes.
+			 * to Documentation/i2c/fault-codes.rst.
 			 */
 			if (kstrtou8(p + 1, 16, &data->byte))
 				return -EPROTO;
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index f26ed495d384..2e6dcf8ecbc9 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -2206,7 +2206,7 @@ static int i2c_detect_address(struct i2c_client *temp_client,
 			dev_warn(&adapter->dev,
 				"This adapter will soon drop class based instantiation of devices. "
 				"Please make sure client 0x%02x gets instantiated by other means. "
-				"Check 'Documentation/i2c/instantiating-devices' for details.\n",
+				"Check 'Documentation/i2c/instantiating-devices.rst' for details.\n",
 				info.addr);
 
 		dev_dbg(&adapter->dev, "Creating %s at 0x%02x\n",
@@ -2236,7 +2236,7 @@ static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver)
 	if (adapter->class == I2C_CLASS_DEPRECATED) {
 		dev_dbg(&adapter->dev,
 			"This adapter dropped support for I2C classes and won't auto-detect %s devices anymore. "
-			"If you need it, check 'Documentation/i2c/instantiating-devices' for alternatives.\n",
+			"If you need it, check 'Documentation/i2c/instantiating-devices.rst' for alternatives.\n",
 			driver->driver.name);
 		return 0;
 	}