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authorJohan Hovold <jhovold@gmail.com>2013-04-16 12:01:20 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-04-17 13:05:34 -0400
commitb42abbcde44a0a58e7dbaa4e3f0adc4cf5b74684 (patch)
tree2ead20e31c4f785c68198e8873e580f183817887
parent81f58c67b1d71b3a1a6c2bb077844249790807c8 (diff)
USB: omninet: clean up protocol description
Clean up and fix typos in protocol comment. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/serial/omninet.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c
index ea1105c84d50..ec16b92d52b3 100644
--- a/drivers/usb/serial/omninet.c
+++ b/drivers/usb/serial/omninet.c
@@ -74,29 +74,28 @@ static struct usb_serial_driver * const serial_drivers[] = {
74}; 74};
75 75
76 76
77/* The protocol. 77/*
78 * The protocol.
78 * 79 *
79 * The omni.net always exchange 64 bytes of data with the host. The first 80 * The omni.net always exchange 64 bytes of data with the host. The first
80 * four bytes are the control header, you can see it in the above structure. 81 * four bytes are the control header.
81 * 82 *
82 * oh_seq is a sequence number. Don't know if/how it's used. 83 * oh_seq is a sequence number. Don't know if/how it's used.
83 * oh_len is the length of the data bytes in the packet. 84 * oh_len is the length of the data bytes in the packet.
84 * oh_xxx Bit-mapped, related to handshaking and status info. 85 * oh_xxx Bit-mapped, related to handshaking and status info.
85 * I normally set it to 0x03 in trasmitted frames. 86 * I normally set it to 0x03 in transmitted frames.
86 * 7: Active when the TA is in a CONNECTed state. 87 * 7: Active when the TA is in a CONNECTed state.
87 * 6: unknown 88 * 6: unknown
88 * 5: handshaking, unknown 89 * 5: handshaking, unknown
89 * 4: handshaking, unknown 90 * 4: handshaking, unknown
90 * 3: unknown, usually 0 91 * 3: unknown, usually 0
91 * 2: unknown, usually 0 92 * 2: unknown, usually 0
92 * 1: handshaking, unknown, usually set to 1 in trasmitted frames 93 * 1: handshaking, unknown, usually set to 1 in transmitted frames
93 * 0: handshaking, unknown, usually set to 1 in trasmitted frames 94 * 0: handshaking, unknown, usually set to 1 in transmitted frames
94 * oh_pad Probably a pad byte. 95 * oh_pad Probably a pad byte.
95 * 96 *
96 * After the header you will find data bytes if oh_len was greater than zero. 97 * After the header you will find data bytes if oh_len was greater than zero.
97 *
98 */ 98 */
99
100struct omninet_header { 99struct omninet_header {
101 __u8 oh_seq; 100 __u8 oh_seq;
102 __u8 oh_len; 101 __u8 oh_len;