Re: [PATCH] tty: serial: Use fifo in 8250 console driver

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On Tue, Jan 25, 2022 at 1:56 PM Andy Shevchenko
<andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
>
> On Tue, Jan 25, 2022 at 06:53:48PM +0200, Andy Shevchenko wrote:
> > On Tue, Jan 25, 2022 at 12:40:27PM +0000, Jon Hunter wrote:
> > > On 25/01/2022 10:29, Wander Costa wrote:
>
> ...
>
> > > Andy, does this work for X86?
> >
> > Reported-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> >
> > No, it does NOT fix an issue (I see it on a handful x86) with the legacy UART
> > (means the 8250_pnp is in use). And I believe the same will be the case on LPSS
> > ones (8250_dw / 8250_lpss) and HSU (8250_mid), because the patch influences on
> > all of them.
>
> Shall I send a revert and we can continue with a new approach later on?
>

Tomorrow (or maybe after tomorrow) I am going to post the fixes I
already have, and an additional patch adding a build option
(disabled to default) so people maybe if they want to use the FIFO on
console write. But I understand if people decide to go
ahead and revert the patch.

> --
> With Best Regards,
> Andy Shevchenko
>
>




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