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authorDavid S. Miller <davem@davemloft.net>2010-03-15 16:23:54 -0700
committerDavid S. Miller <davem@davemloft.net>2010-03-15 16:23:54 -0700
commit4961e02f1999e1c3468c09b2669c94d7c3ae82a8 (patch)
tree44c15abb09d7ba5e17a9aba95ee246648b1c1a8a /Documentation/i2c/writing-clients
parentd14a0ebda7d3daede1a99c01527affb9ceaa4c22 (diff)
parenta3d3203e4bb40f253b1541e310dc0f9305be7c84 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'Documentation/i2c/writing-clients')
-rw-r--r--Documentation/i2c/writing-clients5
1 files changed, 3 insertions, 2 deletions
diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients
index 0a74603eb67..3219ee0dbfe 100644
--- a/Documentation/i2c/writing-clients
+++ b/Documentation/i2c/writing-clients
@@ -318,8 +318,9 @@ Plain I2C communication
These routines read and write some bytes from/to a client. The client
contains the i2c address, so you do not have to include it. The second
parameter contains the bytes to read/write, the third the number of bytes
-to read/write (must be less than the length of the buffer.) Returned is
-the actual number of bytes read/written.
+to read/write (must be less than the length of the buffer, also should be
+less than 64k since msg.len is u16.) Returned is the actual number of bytes
+read/written.
int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msg,
int num);