All of lore.kernel.org
 help / color / mirror / Atom feed
From: Tejun Heo <tj@kernel.org>
To: Matthew Whitehead <tedheadster@gmail.com>
Cc: linux-ide@vger.kernel.org,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Subject: Re: [PATCH] pata_legacy: Allow disabling of legacy PATA device probes on non-PCI systems
Date: Tue, 29 Nov 2016 14:41:58 -0500	[thread overview]
Message-ID: <20161129194158.GB4959@htj.duckdns.org> (raw)
In-Reply-To: <1480441982-20992-1-git-send-email-tedheadster@gmail.com>

Hello, Matthew.

(cc'ing Bartlomiej)

On Tue, Nov 29, 2016 at 12:53:02PM -0500, Matthew Whitehead wrote:
> If there is no PCI bus detected in drivers/ata/pata_legacy.c, it registers all the
> common legacy PATA devices. This includes I/O ports (0x1f0, 0x170, 0x1e8, 0x168, 0x1e0, 0x160)
> and also their associated interrupts (14,15,11,10,8,12).
> 
> Unfortunately, on such systems those interrupt lines are at a premium because there is no
> PCI alternative. This patch allows you to disable individual port/interrupt pairs by providing
> a list of ports to skip allocating.
> 
> modprobe pata_legacy ignore_ports=0x1e8,0x168,0x1e0,0x160

Can you please give a concrete example of a machine and situation
where this would be useful?

Thanks.

-- 
tejun

  reply	other threads:[~2016-11-29 19:42 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-29 17:53 [PATCH] pata_legacy: Allow disabling of legacy PATA device probes on non-PCI systems Matthew Whitehead
2016-11-29 19:41 ` Tejun Heo [this message]
2016-11-29 20:12   ` tedheadster
2016-11-29 20:46     ` Tejun Heo
2016-11-30 13:06       ` Bartlomiej Zolnierkiewicz
2016-11-30 17:13         ` tedheadster
2016-11-30 13:11 ` Sergei Shtylyov
2016-11-30 14:53   ` One Thousand Gnomes
2016-11-30 15:03     ` tedheadster
2016-11-30 18:15       ` One Thousand Gnomes
2016-12-02 13:37         ` tedheadster
2016-12-02 16:24           ` One Thousand Gnomes
2016-11-30 20:22       ` Tejun Heo
     [not found]         ` <CAP8WD_bZWeLBhLXqJG5uDwBe+zBubw+A+ecSuaihOuwvw9QoCQ@mail.gmail.com>
2016-12-02 17:07           ` Tejun Heo
2016-12-05 14:19             ` tedheadster
2016-12-05 19:23               ` Tejun Heo
     [not found]                 ` <CAP8WD_becq+h2=-g7t-6Pp1psmkCCvdB0YUcg+wYPocUP4dYdw@mail.gmail.com>
2016-12-12 17:01                   ` Tejun Heo
     [not found]                     ` <CAP8WD_YMtnsuYmJHGz1eLmrQNemsB1Z6Soyb6f72brAfMNUNeg@mail.gmail.com>
2016-12-20  2:12                       ` tedheadster
2016-12-22 16:37                         ` Tejun Heo
2016-12-22 17:14                           ` tedheadster
2016-12-22 17:19                             ` Tejun Heo
2016-12-22 18:30                             ` tedheadster
2016-12-22 19:22                               ` Tejun Heo
2017-01-03 17:34                                 ` One Thousand Gnomes
     [not found]                                   ` <CAP8WD_bS61spyQkd7cvktFf_dPc0wgNZ8qEa7GVrXgUobHQdvw@mail.gmail.com>
2017-01-19 21:37                                     ` Tejun Heo
2017-01-20 17:08                                       ` tedheadster
2017-01-20 19:19                                         ` Tejun Heo
2017-01-20 19:38                                           ` Tejun Heo
2017-01-23 23:36                                             ` Gwendal Grignou
2017-01-23 23:57                                               ` tedheadster
2017-01-24 16:19                                                 ` Tejun Heo
2017-01-27  3:01                                                   ` tedheadster
2017-02-07 20:21                                                     ` Gwendal Grignou
2017-02-08 19:43                                                       ` Tejun Heo
2017-02-09 23:49                                                         ` Gwendal Grignou
2017-02-10  0:36                                                           ` tedheadster
2017-02-10 13:19                                                             ` Tejun Heo
2017-02-23 19:26                                                               ` tedheadster
2017-03-03 17:00                                                                 ` [PATCH] libata: transport: Remove circular dependency at free time Gwendal Grignou
2017-03-03 18:28                                                                   ` Sergei Shtylyov
2017-03-03 18:36                                                                     ` Tejun Heo
2017-03-06 20:09                                                                   ` Tejun Heo
2017-03-06 20:11                                                                     ` Sergei Shtylyov
2017-03-06 20:26                                                                       ` Tejun Heo
2017-01-24 15:57                                               ` [PATCH] pata_legacy: Allow disabling of legacy PATA device probes on non-PCI systems Tejun Heo
2016-12-12 12:21               ` Bartlomiej Zolnierkiewicz
2016-11-30 13:12 ` Bartlomiej Zolnierkiewicz
2016-11-30 13:15 ` Sergei Shtylyov

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=20161129194158.GB4959@htj.duckdns.org \
    --to=tj@kernel.org \
    --cc=b.zolnierkie@samsung.com \
    --cc=linux-ide@vger.kernel.org \
    --cc=tedheadster@gmail.com \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.