Qingtao Cao 5134272f9f gpio: exar: access MPIO registers on cascaded chips ...

When EXAR xr17v35x chips are cascaded in order to access the MPIO registers
(part of the Device Configuration Registers) of the secondary chips, an offset
needs to be applied based on the number of primary chip's UART channels.

Signed-off-by: Qingtao Cao <qingtao.cao@digi.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>

2022-09-04 22:25:10 +02:00

6.4 KiB

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