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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)
commit1c333550ea92a9c7a5fdf0f3474eba3387478f20
tree38f7a2063f663c916b8794f5ea3513c48b2f0bf8tree | snapshot
parent375cb533c00a237264cc1d810d22f70de30362c2commit | 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
Domain: System / Kernel;