From: Sergei Shtylyov <sergei.shtylyov@gmail.com>
To: Timo Sigurdsson <public_timo.s@silentcreek.de>,
axboe@kernel.dk, mripard@kernel.org, wens@csie.org,
jernej.skrabec@siol.net, linux-ide@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org
Cc: oliver@schinagl.nl, stable@vger.kernel.org
Subject: Re: [PATCH] ata: ahci_sunxi: Disable DIPM
Date: Wed, 28 Apr 2021 11:40:44 +0300 [thread overview]
Message-ID: <24eb672c-9772-4e3f-e3de-0fe3390c659f@gmail.com> (raw)
In-Reply-To: <20210427230537.21423-1-public_timo.s@silentcreek.de>
Hello!
On 28.04.2021 2:05, Timo Sigurdsson wrote:
> DIPM is unsupported or broken on sunxi. Trying to enable the power
> management policy med_power_with_dipm on an Allwinner A20 SoC based board
> leads to immediate I/O errors and the attached SATA disk disappears from
> the /dev filesystem. A reset (power cycle) is required to make the SATA
> controller or disk work again. The A10 and A20 SoC data sheets and manuals
> don't mention DIPM at all [1], so it's fair to assume that it's simply not
> supported. But even if it were, it should be considered broken and best be
^ was
> disabled in the ahci_sunxi driver.
>
> Fixes: c5754b5220f0 ("ARM: sunxi: Add support for Allwinner SUNXi SoCs sata to ahci_platform")
The "Fixes:" tag should immediately precede the signoff tag...
> [1] https://github.com/allwinner-zh/documents/tree/master/
And this line should be immediately after the patch description.
> Signed-off-by: Timo Sigurdsson <public_timo.s@silentcreek.de>
> Tested-by: Timo Sigurdsson <public_timo.s@silentcreek.de>
[...]
MBR, Sergei
prev parent reply other threads:[~2021-04-28 8:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-27 23:05 [PATCH] ata: ahci_sunxi: Disable DIPM Timo Sigurdsson
2021-04-28 5:59 ` Greg KH
2021-04-28 8:40 ` Sergei Shtylyov [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=24eb672c-9772-4e3f-e3de-0fe3390c659f@gmail.com \
--to=sergei.shtylyov@gmail.com \
--cc=axboe@kernel.dk \
--cc=jernej.skrabec@siol.net \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-ide@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-sunxi@lists.linux.dev \
--cc=mripard@kernel.org \
--cc=oliver@schinagl.nl \
--cc=public_timo.s@silentcreek.de \
--cc=stable@vger.kernel.org \
--cc=wens@csie.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).