USB: serial: ftdi_sio: clean up attribute handling

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The driver exposes two attributes for all chip types but FT232A, which
doesn't have a configurable latency timer, and SIO, which (probably)
doesn't support the event-char mechanism either.

Explicitly test for the exceptions rather than list each and every
supported device type in the attribute helpers.

Signed-off-by: Johan Hovold <johan@kernel.org>

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This commit is contained in:

Johan Hovold 2022-09-11 16:02:12 +02:00

parent 6fbd914257

commit 4d045b98fb

1 changed files with 16 additions and 31 deletions

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drivers/usb/serial/ftdi_sio.c

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