From: "Peter E. Berger" <pber...@brimson.com>
The firmware has a "build_number" field, though it is apparently unused
(according to observations of the three firmware images I have seen and
confirmed by Digi Tech Support). This comment describes its structure,
in case it is populated in a future release.
Signed-off-by: Peter E. Berger <pber...@brimson.com>
---
drivers/usb/serial/io_ti.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index ad93280..98bfd34 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -2386,9 +2386,15 @@ static int edge_startup(struct usb_serial *serial)
return err;
}
+ /*
+ * If the on-board firmware version is newer, download_fw()
+ * will retain it and revise edge_serial->fw_version. The
+ * firmware also includes an le16 "build_number" at data+2, but
+ * it has been set to 0 in all three of the images I have seen,
+ * and Digi Tech Support suggests that it is safe to ignore it.
+ */
fw_major_version = fw->data[0];
fw_minor_version = fw->data[1];
- /* If on-board fw is newer, download_fw() will revise "fw_version" */
edge_serial->fw_version = (fw_major_version << 8) + fw_minor_version;
status = download_fw(edge_serial, fw);
--
1.8.3.1
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