- dev_dbg(dev, "%s - >> FW Versions Device %d.%d Driver %d.%d\n",
- __func__, firmware_version->Ver_Major,
- firmware_version->Ver_Minor,
- OperationalMajorVersion,
- OperationalMinorVersion);
-
- /* Check if we have an old version in the I2C and
- update if necessary */
- if (download_cur_ver < download_new_ver) {
- dev_dbg(dev, "%s - Update I2C dld from %d.%d to %d.%d\n",
- __func__,
- firmware_version->Ver_Major,
- firmware_version->Ver_Minor,
- OperationalMajorVersion,
- OperationalMinorVersion);
-
- record = kmalloc(1, GFP_KERNEL);
- if (!record) {
- kfree(firmware_version);
- kfree(rom_desc);
- kfree(ti_manuf_desc);
- return -ENOMEM;
- }
- /* In order to update the I2C firmware we must
- * change the type 2 record to type 0xF2. This
- * will force the UMP to come up in Boot Mode.
- * Then while in boot mode, the driver will
- * download the latest firmware (padded to
- * 15.5k) into the UMP ram. Finally when the
- * device comes back up in download mode the
- * driver will cause the new firmware to be
- * copied from the UMP Ram to I2C and the
- * firmware will update the record type from
- * 0xf2 to 0x02.
- */
- *record = I2C_DESC_TYPE_FIRMWARE_BLANK;
-
- /* Change the I2C Firmware record type to
- 0xf2 to trigger an update */
- status = write_rom(serial, start_address,
- sizeof(*record), record);
- if (status) {
- kfree(record);
- kfree(firmware_version);
- kfree(rom_desc);
- kfree(ti_manuf_desc);
- return status;
- }
-
- /* verify the write -- must do this in order
- * for write to complete before we do the
- * hardware reset
- */
- status = read_rom(serial,
- start_address,
- sizeof(*record),
- record);
- if (status) {
- kfree(record);
- kfree(firmware_version);
- kfree(rom_desc);
- kfree(ti_manuf_desc);
- return status;
- }
-
- if (*record != I2C_DESC_TYPE_FIRMWARE_BLANK) {
- dev_err(dev, "%s - error resetting device\n", __func__);
- kfree(record);
- kfree(firmware_version);
- kfree(rom_desc);
- kfree(ti_manuf_desc);
- return -ENODEV;
- }
-
- dev_dbg(dev, "%s - HARDWARE RESET\n", __func__);
-
- /* Reset UMP -- Back to BOOT MODE */
- status = ti_vsend_sync(serial->serial->dev,
- UMPC_HARDWARE_RESET,
- 0, 0, NULL, 0);
-
- dev_dbg(dev, "%s - HARDWARE RESET return %d\n", __func__, status);
-
- /* return an error on purpose. */