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

From: Mark Cave-Ayland
Date: Tue Jun 28 2016 - 17:23:32 EST


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

> Hi Alex,
>
> On Tue, Jun 28, 2016 at 2:38 AM, <alexmcwhirter@xxxxxxxxxx> 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.