Re: [PATCH v1 0/2] serial: 8250_pci: Split Pericom driver

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On Thu, Nov 18, 2021 at 10:32:51PM -0800, Jay Dolan wrote:
> On 11/17/21 6:57 AM, Andy Shevchenko wrote:
> > Split Pericom driver to a separate module.
> > While at it, re-enable high baud rates.
> > 
> > Jay, can you, please, test this on as many hardware as you have?
> > 
> > The series depends on the fix-series: https://lore.kernel.org/linux-serial/20211117145502.43645-1-andriy.shevchenko@xxxxxxxxxxxxxxx/T/#u

> I have my current state here: https://github.com/accesio/linux/blob/split-pericom-driver/drivers/tty/serial/8250/8250_pericom.c
> 
> * Change port type to UPIO_PORT
> * Add in pericom_do_startup() because the UPF_MAGIC_MULTIPLIER doesn't
> stick.

Thanks, I have updated my local tree with these changes.

> When I'm testing baud rates greater than baud_base I'm seeing strange things
> on the scope.

Can you confirm that there are no issues with the first (fixes) series?
I have slightly changed your set_divisor() refactoring, it may be that issue
is there.

> Maybe I'm just tired, and it's human error. I should be able
> to get back to it and get it done on Saturday.

Thank you.

-- 
With Best Regards,
Andy Shevchenko





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