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

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Message-ID: <YfArWaKJ13+OC/7w@smile.fi.intel.com>
Date:   Tue, 25 Jan 2022 18:54:49 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Jon Hunter <jonathanh@...dia.com>
Cc:     Wander Costa <wcosta@...hat.com>,
        Jiri Slaby <jirislaby@...nel.org>,
        Wander Lairson Costa <wander@...hat.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Maciej W. Rozycki" <macro@...am.me.uk>,
        Johan Hovold <johan@...nel.org>,
        Andrew Jeffery <andrew@...id.au>,
        "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH] tty: serial: Use fifo in 8250 console driver

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@...ux.intel.com>
> 
> 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?

-- 
With Best Regards,
Andy Shevchenko