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USB: serial: mos7840: document MCS7810 detection hack
authorJohan Hovold <johan@kernel.org>
Thu, 7 Nov 2019 13:28:55 +0000 (14:28 +0100)
committerJohan Hovold <johan@kernel.org>
Tue, 12 Nov 2019 08:56:39 +0000 (09:56 +0100)
commit35d9a9bd0141710fbd1339f0348937960874b5ea
tree38f7a2063f663c916b8794f5ea3513c48b2f0bf8tree | snapshot
parentda1cb6d07541d17f1d3375255eeeeb8b0ddd134ecommit | diff
USB: serial: mos7840: document MCS7810 detection hack

Document the MCS7810 detection hack which relies on having the GPO and
GPI pins connected as recommended by ASIX.

Note that GPO (pin 42) is really RTS of the third port which will be
toggled for the corresponding physical port on two- and four-port
devices.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
drivers/usb/serial/mos7840.c diff | blob | history
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