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authorStefan Richter <stefanr@s5r6.in-berlin.de>2010-01-24 14:48:00 +0100
committerStefan Richter <stefanr@s5r6.in-berlin.de>2010-01-26 20:54:50 +0100
commit6d3faf6f431bafb25f4b9926c50a7e5c267738c6 (patch)
tree60063da2636d6394c6aee7a5d273cb7bc73234f2 /include
parente300839da40e99581581c5d053a95a172651fec8 (diff)
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firewire: cdev: add_descriptor documentation fix
struct fw_cdev_add_descriptor.length is in quadlets, not in bytes. Also remove any doubts about the endianess of descriptor data. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/firewire-cdev.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/firewire-cdev.h b/include/linux/firewire-cdev.h
index 1f716d9f714..520ecf86cbb 100644
--- a/include/linux/firewire-cdev.h
+++ b/include/linux/firewire-cdev.h
@@ -380,7 +380,7 @@ struct fw_cdev_initiate_bus_reset {
* @immediate: If non-zero, immediate key to insert before pointer
* @key: Upper 8 bits of root directory pointer
* @data: Userspace pointer to contents of descriptor block
- * @length: Length of descriptor block data, in bytes
+ * @length: Length of descriptor block data, in quadlets
* @handle: Handle to the descriptor, written by the kernel
*
* Add a descriptor block and optionally a preceding immediate key to the local
@@ -394,6 +394,8 @@ struct fw_cdev_initiate_bus_reset {
* If not 0, the @immediate field specifies an immediate key which will be
* inserted before the root directory pointer.
*
+ * @immediate, @key, and @data array elements are CPU-endian quadlets.
+ *
* If successful, the kernel adds the descriptor and writes back a handle to the
* kernel-side object to be used for later removal of the descriptor block and
* immediate key.