diff options
Diffstat (limited to 'drivers/char/xilinx_hwicap/xilinx_hwicap.c')
-rw-r--r-- | drivers/char/xilinx_hwicap/xilinx_hwicap.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c index 3e6b23c3453c..5e5c8ee23a5b 100644 --- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c +++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c @@ -222,6 +222,8 @@ static const struct config_registers v6_config_registers = { * hwicap_command_desync - Send a DESYNC command to the ICAP port. * @drvdata: a pointer to the drvdata. * + * Returns: '0' on success and failure value on error + * * This command desynchronizes the ICAP After this command, a * bitstream containing a NULL packet, followed by a SYNCH packet is * required before the ICAP will recognize commands. @@ -255,6 +257,8 @@ static int hwicap_command_desync(struct hwicap_drvdata *drvdata) * Examples: XHI_IDCODE, XHI_FLR. * @reg_data: returns the value of the register. * + * Returns: '0' on success and failure value on error + * * Sends a query packet to the ICAP and then receives the response. * The icap is left in Synched state. */ |