Merge tag 'docs-4.10-2' of git://git.lwn.net/linux

[sfrench/cifs-2.6.git] / Documentation / fpga / fpga-mgr.txt

diff --git a/Documentation/fpga/fpga-mgr.txt b/Documentation/fpga/fpga-mgr.txt
index 087924f2b20c886d38333fb8b2717416ec0544a3..86ee5078fd034ff0247828fa6a3e01c8800da50f 100644 (file)
--- a/Documentation/fpga/fpga-mgr.txt
+++ b/Documentation/fpga/fpga-mgr.txt
@@ -169,7 +169,10 @@ The programming sequence is:
  2. .write (may be called once or multiple times)
  3. .write_complete
 
-The .write_init function will prepare the FPGA to receive the image data.
+The .write_init function will prepare the FPGA to receive the image data.  The
+buffer passed into .write_init will be atmost .initial_header_size bytes long,
+if the whole bitstream is not immediately available then the core code will
+buffer up at least this much before starting.
 
 The .write function writes a buffer to the FPGA. The buffer may be contain the
 whole FPGA image or may be a smaller chunk of an FPGA image.  In the latter