2 files changed, 15 insertions, 5 deletions
diff --git a/os/hal/hal.dox b/os/hal/hal.dox
index 62e9585ac..4e21f3940 100644
--- a/os/hal/hal.dox
+++ b/os/hal/hal.dox
@@ -81,3 +81,13 @@
  *
  * @ingroup IO
  */
+
+/**
+ * @defgroup IO_CHANNEL Abstract I/O Channels
+ * @ingroup IO
+ */
+
+/**
+ * @defgroup IO_BLOCK Abstract I/O Block Device
+ * @ingroup IO
+ */
diff --git a/os/hal/include/io_block.h b/os/hal/include/io_block.h
index ebfa608b3..b12ae4588 100644
--- a/os/hal/include/io_block.h
+++ b/os/hal/include/io_block.h
@@ -167,8 +167,8 @@ typedef struct {
  *
  * @api
  */
-#define blkRead(ip, startblk, buffer, n)                                    \
-  ((ip)->vmt->read(ip, startblk, buffer, n))
+#define blkRead(ip, startblk, buf, n)                                       \
+  ((ip)->vmt->read(ip, startblk, buf, n))
 
 /**
  * @brief   Writes one or more blocks.
@@ -184,8 +184,8 @@ typedef struct {
  *
  * @api
  */
-#define blkWrite(ip, startblk, buffer, n)                                   \
-  ((ip)->vmt->write(ip, startblk, buffer, n))
+#define blkWrite(ip, startblk, buf, n)                                      \
+  ((ip)->vmt->write(ip, startblk, buf, n))
 
 /**
  * @brief   Ensures write synchronization.
@@ -200,7 +200,7 @@ typedef struct {
  * @brief   Returns a media information structure.
  *
  * @param[in] ip        pointer to a @p BaseBlockDevice or derived class
- * @param[out] bdpi     pointer to a @p BlockDeviceInfo structure
+ * @param[out] bdip     pointer to a @p BlockDeviceInfo structure
  *
  * @api
  */