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can: etas_es58x: export product information through devlink_ops::info_get()

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ES58x devices report below product information through a custom usb
string:

  * the firmware version
  * the bootloader version
  * the hardware revision

Parse this string, store the results in struct es58x_dev, export:

  * the firmware version through devlink's "fw" name
  * the bootloader version through devlink's "fw.bootloader" name
  * the hardware revisionthrough devlink's "board.rev" name

Those devlink entries are not critical to use the device, if parsing
fails, print an informative log message and continue to probe the
device.

In addition to that, use usb_device::serial to report the device
serial number.

Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/all/20221130174658.29282-6-mailhol.vincent@wanadoo.fr
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Vincent Mailhol 2022-12-01 02:46:56 +09:00 • committed by Marc Kleine-Budde
commit 9f06631c3f
3 changed files with 264 additions and 0 deletions
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