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From: Rob Landley <rob@landley.net>
To: Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@bp.renesas.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	"Lad, Prabhakar" <prabhakar.csengg@gmail.com>
Cc: Kazuhiro Fujita <kazuhiro.fujita.jg@renesas.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jslaby@suse.com>,
	"open list:SERIAL DRIVERS" <linux-serial@vger.kernel.org>,
	Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Hao Bui <hao.bui.yg@renesas.com>,
	KAZUMI HARADA <kazumi.harada.rh@renesas.com>,
	Sasha Levin <sashal@kernel.org>,
	Chris Brandt <Chris.Brandt@renesas.com>,
	Magnus Damm <magnus.damm@gmail.com>,
	Linux-sh list <linux-sh@vger.kernel.org>,
	John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Subject: Re: [PATCH] serial: sh-sci: Make sure status register SCxSR is read in correct sequence
Date: Mon, 17 Aug 2020 03:17:48 +0000	[thread overview]
Message-ID: <b384543f-c80d-aa63-63a6-1b5dbc47885d@landley.net> (raw)
In-Reply-To: <OSBPR01MB50485F5DA2F82E455DCA6B56AA5E0@OSBPR01MB5048.jpnprd01.prod.outlook.com>

On 8/16/20 11:22 AM, Prabhakar Mahadev Lad wrote:
>> FTR, I gave it a try on the SH7751R-based I-O DATA USL-5P aka Landisk:
>> SCIF is affected, and fixed by commit 3dc4db3662366306 ("serial: sh-sci:
>> Make sure status register SCxSR is read in correct sequence").
>>
> Thank you Geert.
> 
> Cheers,
> Prabhakar

Did we ever figure out how to get linux to talk to the _first_ serial port on
the qemu-system-sh4 r2d board? I'm still doing:

  qemu-system-sh4 -M r2d -serial null -serial mon:stdio

Because I can only get a working console on the _second_ serial port. (SCI vs
SCIF I think?)

Rob

WARNING: multiple messages have this Message-ID (diff)
From: Rob Landley <rob@landley.net>
To: Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@bp.renesas.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	"Lad, Prabhakar" <prabhakar.csengg@gmail.com>
Cc: Kazuhiro Fujita <kazuhiro.fujita.jg@renesas.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jslaby@suse.com>,
	"open list:SERIAL DRIVERS" <linux-serial@vger.kernel.org>,
	Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Hao Bui <hao.bui.yg@renesas.com>,
	KAZUMI HARADA <kazumi.harada.rh@renesas.com>,
	Sasha Levin <sashal@kernel.org>,
	Chris Brandt <Chris.Brandt@renesas.com>,
	Magnus Damm <magnus.damm@gmail.com>,
	Linux-sh list <linux-sh@vger.kernel.org>,
	John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Subject: Re: [PATCH] serial: sh-sci: Make sure status register SCxSR is read in correct sequence
Date: Sun, 16 Aug 2020 22:17:48 -0500	[thread overview]
Message-ID: <b384543f-c80d-aa63-63a6-1b5dbc47885d@landley.net> (raw)
In-Reply-To: <OSBPR01MB50485F5DA2F82E455DCA6B56AA5E0@OSBPR01MB5048.jpnprd01.prod.outlook.com>

On 8/16/20 11:22 AM, Prabhakar Mahadev Lad wrote:
>> FTR, I gave it a try on the SH7751R-based I-O DATA USL-5P aka Landisk:
>> SCIF is affected, and fixed by commit 3dc4db3662366306 ("serial: sh-sci:
>> Make sure status register SCxSR is read in correct sequence").
>>
> Thank you Geert.
> 
> Cheers,
> Prabhakar

Did we ever figure out how to get linux to talk to the _first_ serial port on
the qemu-system-sh4 r2d board? I'm still doing:

  qemu-system-sh4 -M r2d -serial null -serial mon:stdio

Because I can only get a working console on the _second_ serial port. (SCI vs
SCIF I think?)

Rob

  reply	other threads:[~2020-08-17  3:17 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-27 18:17 [PATCH] serial: sh-sci: Make sure status register SCxSR is read in correct sequence Kazuhiro Fujita
2020-03-31 13:11 ` Sasha Levin
2020-03-31 15:17 ` Geert Uytterhoeven
2020-03-31 15:58   ` Prabhakar Mahadev Lad
2020-03-31 17:38     ` Geert Uytterhoeven
2020-03-31 18:10       ` Prabhakar Mahadev Lad
2020-04-01 12:43     ` Geert Uytterhoeven
2020-04-02 11:27       ` Lad, Prabhakar
2020-04-02 15:24         ` Geert Uytterhoeven
2020-04-02 15:24           ` Geert Uytterhoeven
2020-04-15 12:36           ` Geert Uytterhoeven
2020-04-15 12:36             ` Geert Uytterhoeven
2020-04-15 23:21             ` Rob Landley
2020-04-15 23:21               ` Rob Landley
2020-08-14 15:25             ` Geert Uytterhoeven
2020-08-14 15:25               ` Geert Uytterhoeven
2020-08-16 16:22               ` Prabhakar Mahadev Lad
2020-08-16 16:22                 ` Prabhakar Mahadev Lad
2020-08-17  3:17                 ` Rob Landley [this message]
2020-08-17  3:17                   ` Rob Landley
2020-08-18 15:11                   ` SCI on R2D+ (was: Re: [PATCH] serial: sh-sci: Make sure status register SCxSR is read in correct seq Geert Uytterhoeven
2020-08-18 15:11                     ` SCI on R2D+ (was: Re: [PATCH] serial: sh-sci: Make sure status register SCxSR is read in correct sequence) Geert Uytterhoeven
2020-03-31 19:07   ` [PATCH] serial: sh-sci: Make sure status register SCxSR is read in correct sequence Chris Brandt

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