linux-kernel - Re: [PATCH] sparc64: sparc64_defconfig: convert to use libata PATA drivers

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Date:	Tue, 28 Jun 2016 21:57:56 +0100
From:	Mark Cave-Ayland <mark.cave-ayland@...nde.co.uk>
To:	Julian Calaby <julian.calaby@...il.com>, alexmcwhirter@...adic.us
Cc:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	sparclinux <sparclinux@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>, linux-ide@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	sparclinux-owner@...r.kernel.org
Subject: Re: [PATCH] sparc64: sparc64_defconfig: convert to use libata PATA
 drivers

On 28/06/16 00:18, Julian Calaby wrote:

> Hi Alex,
> 
> On Tue, Jun 28, 2016 at 2:38 AM,  <alexmcwhirter@...adic.us> wrote:
>> On 2016-06-27 08:23, Bartlomiej Zolnierkiewicz wrote:
>>
>>> If you have affected hardware please test.  Thank you.
>>
>>
>> For what it's worth, I've been using libata on sparc64 for roughly two years
>> with no issues to report. All of my PATA machines have ALI controllers, not
>> sure if any other controllers were ever used in sparc gear.
> 
> The Ultra 5 uses a CMD64x controller.
> 
> That said, last time I tried to get that machine working, I couldn't
> partition the disk due to bugs in that driver.
> 
> I believe the Ultra 10 uses the same motherboard so it's likely also
> affected. I believe these were in the first generation of "PC" like
> SPARC workstations.

FWIW QEMU's qemu-system-sparc64 emulator also uses the cmd646 controller
and can boot vmlinuz/initrd binaries directly for testing.


ATB,

Mark.