linux-kernel - Re: [External] Re: [PATCH] serial: 8250: fix panic due to PSLVERR

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Message-ID: <Z_PihtUPLNILrnca@smile.fi.intel.com>
Date: Mon, 7 Apr 2025 17:34:46 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: yunhui cui <cuiyunhui@...edance.com>
Cc: gregkh@...uxfoundation.org, jirislaby@...nel.org,
	john.ogness@...utronix.de, pmladek@...e.com, arnd@...db.de,
	namcao@...utronix.de, benjamin.larsson@...exis.eu,
	schnelle@...ux.ibm.com, linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org
Subject: Re: [External] Re: [PATCH] serial: 8250: fix panic due to PSLVERR

On Mon, Apr 07, 2025 at 09:00:22PM +0800, yunhui cui wrote:
> On Fri, Apr 4, 2025 at 6:21 PM Andy Shevchenko
> <andriy.shevchenko@...ux.intel.com> wrote:
> > On Fri, Apr 04, 2025 at 10:31:25AM +0800, yunhui cui wrote:
> > > On Thu, Apr 3, 2025 at 7:50 PM Andy Shevchenko
> > > <andriy.shevchenko@...ux.intel.com> wrote:
> > > > On Thu, Apr 03, 2025 at 02:36:16PM +0300, Andy Shevchenko wrote:
> > > > > On Thu, Apr 03, 2025 at 05:03:36PM +0800, Yunhui Cui wrote:
> > > >
> > > > A couple of more questions here:
> > > > 1) what is the DW IP version and where did you get the PSLVERR_RESP_EN
> > > > parameter from?
> > > > 2) what is the setting of the UART_16550_COMPATIBLE parameter?
> > >
> > > 1): Refer to: https://www.synopsys.com/dw/ipdir.php?c=DW_apb_uart
> >
> > I don't understand this. I asked about version of the IP, I have datasheets
> > already for many of them, I can't find PSLVERR_RESP_EN there, that's why the
> > question.
> 
> You can check the link:
> https://iccircle.com/static/upload/img20240313113905.pdf for the
> relevant introduction.

This is helpful, thank you!

-- 
With Best Regards,
Andy Shevchenko