On Sun, Nov 14, 2021 at 8:40 PM Jay Dolan <jay.dolan@xxxxxxxxxxx> wrote: > > A series patches to address three issues one customer managed to hit all at once. > > 1) Rewrite pericom_do_set_divisor() to always calc divisor and to use the > uartclk instead of a hard coded value. Always calculate divisor without passing > control to serial8250_do_set_divisor() > Tested with 14.7456 and 24 MHz crystals > > 2) Re-enable higher baud rates on Pericom chips. > serial8250_get_baud_rate() added range checking, but Pericom chips have a wider > range than what is being enforced. Make use of UPF_MAGIC_MULTIPLIER. > Tested with 14.7456 and 24 MHz crystals > > 3) Fourth port not being setup correctly on some Pericom chips. > Fix entries in pci_serial_quirks array Can we start from splitting Pericom to its own file, please? See my initial work here [1]. And I believe you may do a better job than me since you have access to many variants of the hardware. [1]: https://gitlab.com/andy-shev/next/-/commit/71fdb8b5d857691031f566daebb1e850b106f46a (As a side note: https://gitlab.com/andy-shev/next/-/commit/ac0dc993fa35b5e2fe67e967b6a687b2e47d0edd) -- With Best Regards, Andy Shevchenko
