All of lore.kernel.org
 help / color / mirror / Atom feed
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Lee Jones <lee@kernel.org>
Cc: Vincent Whitchurch <vincent.whitchurch@axis.com>,
	devicetree@vger.kernel.org, linux-pci@vger.kernel.org,
	linux-kernel@vger.kernel.org, kernel@axis.com
Subject: Re: [PATCH] mfd: Add Simple PCI MFD driver
Date: Mon, 23 Jan 2023 17:31:21 +0100	[thread overview]
Message-ID: <Y862WTT03/JxXUG8@kroah.com> (raw)
In-Reply-To: <Y86op9oh5ldrZQyG@google.com>

On Mon, Jan 23, 2023 at 03:32:55PM +0000, Lee Jones wrote:
> On Mon, 23 Jan 2023, Vincent Whitchurch wrote:
> 
> > Add a PCI driver which registers all child nodes specified in the
> > devicetree.  It will allow platform devices to be used on virtual
> > systems which already support PCI and devicetree, such as UML with
> > virt-pci.
> > 
> > The driver has no id_table by default; user space needs to provide one
> > using the new_id mechanism in sysfs.
> 
> This feels wrong for several reasons.
> 
> Firstly, I think Greg (Cc:ed) will have something to say about this.

Yes, this isn't ok.  Please write a real driver for the hardware under
control here, and that would NOT be a MFD driver (hint, if you want to
split up a PCI device into different drivers, use the aux bus code, that
is what it is there for.)

thanks,

greg k-h

  parent reply	other threads:[~2023-01-23 16:31 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-23 14:32 [PATCH] mfd: Add Simple PCI MFD driver Vincent Whitchurch
2023-01-23 15:32 ` Lee Jones
2023-01-23 16:02   ` Vincent Whitchurch
2023-01-23 16:36     ` Rob Herring
2023-01-24  2:30       ` Lizhi Hou
2023-01-24 13:15       ` Vincent Whitchurch
2023-01-23 16:31   ` Greg Kroah-Hartman [this message]
2023-01-25 10:15     ` Vincent Whitchurch
2023-01-25 12:29       ` Greg Kroah-Hartman
2023-01-25 13:06         ` Vincent Whitchurch
2023-01-25 13:34           ` Greg Kroah-Hartman
2023-01-25 14:54         ` Rob Herring
2023-01-25 15:00           ` Greg Kroah-Hartman
2023-01-25 15:34             ` Rob Herring
2023-01-31 15:07               ` Greg Kroah-Hartman
2023-01-23 16:13 ` Rob Herring
2023-01-24 12:54   ` Vincent Whitchurch

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=Y862WTT03/JxXUG8@kroah.com \
    --to=gregkh@linuxfoundation.org \
    --cc=devicetree@vger.kernel.org \
    --cc=kernel@axis.com \
    --cc=lee@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=vincent.whitchurch@axis.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.