From: Mark Brown <broonie@kernel.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>,
linux-kernel@vger.kernel.org, Hans de Goede <hdegoede@redhat.com>,
linux-spi@vger.kernel.org, Martin Sperl <kernel@martin.sperl.org>,
Michal Suchanek <hramrach@gmail.com>
Subject: Re: [PATCH] spi: Force the registration of the spidev devices
Date: Thu, 14 May 2015 15:34:39 +0100 [thread overview]
Message-ID: <20150514143439.GP2761@sirena.org.uk> (raw)
In-Reply-To: <20150513223331.GA26748@kroah.com>
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On Wed, May 13, 2015 at 03:33:31PM -0700, Greg Kroah-Hartman wrote:
> On Wed, May 13, 2015 at 09:26:40PM +0200, Maxime Ripard wrote:
> > Our use case is this one: we want to export spidev files so that "dev
> > boards" with a header that allows to plug virtually anything on it
> > (Raspberry Pi, Cubieboards, Xplained, and all the likes) without
> > having to change the kernel and / or device tree.
> You want to do that on a bus that is not self-describing or dynamic?
> I too want a pony. Please go kick the hardware engineer who designed
> such a mess, we solved this problem 20+ years ago with "real" busses.
The hardware engineers for some of these things did build enumeration in
but none of them with any sort of community have been able to make it
stick - the community just ends up ignoring the ID allocation.
> > This patch is actually doing this: creating a new device for all the
> > chipselects that are not in use that will be bound to the spidev
> > driver.
> I have yet to see a patch...
That was the first message in the thread.
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WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Greg Kroah-Hartman
<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
Cc: Maxime Ripard
<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Martin Sperl <kernel-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org>,
Michal Suchanek
<hramrach-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH] spi: Force the registration of the spidev devices
Date: Thu, 14 May 2015 15:34:39 +0100 [thread overview]
Message-ID: <20150514143439.GP2761@sirena.org.uk> (raw)
In-Reply-To: <20150513223331.GA26748-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 1055 bytes --]
On Wed, May 13, 2015 at 03:33:31PM -0700, Greg Kroah-Hartman wrote:
> On Wed, May 13, 2015 at 09:26:40PM +0200, Maxime Ripard wrote:
> > Our use case is this one: we want to export spidev files so that "dev
> > boards" with a header that allows to plug virtually anything on it
> > (Raspberry Pi, Cubieboards, Xplained, and all the likes) without
> > having to change the kernel and / or device tree.
> You want to do that on a bus that is not self-describing or dynamic?
> I too want a pony. Please go kick the hardware engineer who designed
> such a mess, we solved this problem 20+ years ago with "real" busses.
The hardware engineers for some of these things did build enumeration in
but none of them with any sort of community have been able to make it
stick - the community just ends up ignoring the ID allocation.
> > This patch is actually doing this: creating a new device for all the
> > chipselects that are not in use that will be bound to the spidev
> > driver.
> I have yet to see a patch...
That was the first message in the thread.
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next prev parent reply other threads:[~2015-05-14 14:34 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-12 20:33 [PATCH] spi: Force the registration of the spidev devices Maxime Ripard
2015-05-12 20:33 ` Maxime Ripard
2015-05-13 9:34 ` [PATCH] spi: Add option to bind spidev to all chipselects Michal Suchanek
2015-05-13 9:34 ` Michal Suchanek
2015-05-13 10:16 ` Maxime Ripard
2015-05-13 10:16 ` Maxime Ripard
2015-05-13 10:40 ` Michal Suchanek
2015-05-13 10:40 ` Michal Suchanek
2015-05-13 11:05 ` Mark Brown
2015-05-13 11:05 ` Mark Brown
2015-05-13 11:26 ` [PATCH] spi: Force the registration of the spidev devices Mark Brown
2015-05-13 11:26 ` Mark Brown
2015-05-13 12:35 ` Michal Suchanek
2015-05-13 12:35 ` Michal Suchanek
2015-05-13 12:51 ` Maxime Ripard
2015-05-13 12:51 ` Maxime Ripard
2015-05-13 14:36 ` Mark Brown
2015-05-13 14:36 ` Mark Brown
2015-05-13 15:31 ` Michal Suchanek
2015-05-13 15:31 ` Michal Suchanek
2015-05-13 17:43 ` Mark Brown
2015-05-13 17:43 ` Mark Brown
2015-05-13 19:09 ` Maxime Ripard
2015-05-13 19:10 ` Geert Uytterhoeven
2015-05-13 19:10 ` Geert Uytterhoeven
2015-05-13 19:41 ` Maxime Ripard
2015-05-13 19:41 ` Maxime Ripard
2015-05-13 15:37 ` Greg Kroah-Hartman
2015-05-13 15:37 ` Greg Kroah-Hartman
2015-05-13 15:52 ` Michal Suchanek
2015-05-13 15:52 ` Michal Suchanek
2015-05-13 17:13 ` Mark Brown
2015-05-13 17:13 ` Mark Brown
2015-05-13 17:20 ` Greg Kroah-Hartman
2015-05-13 17:20 ` Greg Kroah-Hartman
2015-05-13 17:39 ` Mark Brown
2015-05-13 17:39 ` Mark Brown
2015-05-13 18:16 ` Greg Kroah-Hartman
2015-05-13 18:16 ` Greg Kroah-Hartman
2015-05-13 18:32 ` Mark Brown
2015-05-13 18:36 ` Greg Kroah-Hartman
2015-05-13 18:36 ` Greg Kroah-Hartman
2015-05-13 18:51 ` Mark Brown
2015-05-13 18:51 ` Mark Brown
2015-05-13 19:17 ` Maxime Ripard
2015-05-13 19:17 ` Maxime Ripard
2015-05-13 17:50 ` Maxime Ripard
2015-05-13 17:50 ` Maxime Ripard
2015-05-13 18:12 ` Mark Brown
2015-05-13 18:17 ` Greg Kroah-Hartman
2015-05-13 18:17 ` Greg Kroah-Hartman
2015-05-13 19:23 ` Geert Uytterhoeven
2015-05-13 19:23 ` Geert Uytterhoeven
2015-05-13 19:26 ` Maxime Ripard
2015-05-13 19:26 ` Maxime Ripard
2015-05-13 22:33 ` Greg Kroah-Hartman
2015-05-13 22:33 ` Greg Kroah-Hartman
2015-05-14 14:34 ` Mark Brown [this message]
2015-05-14 14:34 ` Mark Brown
2015-05-15 8:09 ` Maxime Ripard
2015-07-15 6:27 ` Lucas De Marchi
2015-07-15 6:27 ` Lucas De Marchi
-- strict thread matches above, loose matches on Subject: below --
2014-04-28 17:22 Maxime Ripard
2014-04-28 17:22 ` Maxime Ripard
2014-04-29 18:37 ` Mark Brown
2014-04-29 18:37 ` Mark Brown
[not found] ` <20140429183758.GH15125-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-04-29 21:31 ` Martin Sperl
[not found] ` <24BF05CB-35FF-42E8-BE5C-A5E4E3D0C52A-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org>
2014-04-30 18:14 ` Maxime Ripard
2014-04-30 20:00 ` Martin Sperl
[not found] ` <DA3907EB-0C1B-42FB-B288-9E33F6E24E3E-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org>
2014-04-30 22:19 ` Maxime Ripard
2014-05-01 1:21 ` Mark Brown
2014-04-30 18:06 ` Maxime Ripard
2014-04-30 18:06 ` Maxime Ripard
2014-05-01 1:18 ` Mark Brown
2014-05-01 1:18 ` Mark Brown
2014-05-01 22:36 ` Maxime Ripard
2014-05-01 22:36 ` Maxime Ripard
2014-05-01 23:28 ` Geert Uytterhoeven
2014-05-02 16:55 ` Mark Brown
2014-05-02 16:55 ` Mark Brown
2014-05-05 4:17 ` Maxime Ripard
2014-05-05 7:10 ` Geert Uytterhoeven
2014-05-05 13:57 ` Alexandre Belloni
2014-05-05 13:57 ` Alexandre Belloni
2014-05-05 14:22 ` Geert Uytterhoeven
2014-05-05 14:22 ` Geert Uytterhoeven
2014-05-05 19:16 ` Mark Brown
2014-05-02 17:40 ` Mark Brown
2014-05-02 17:40 ` Mark Brown
2014-05-05 4:21 ` Maxime Ripard
2014-05-05 19:17 ` Mark Brown
2014-05-05 19:17 ` Mark Brown
2014-05-08 2:22 ` Maxime Ripard
2014-05-08 2:22 ` Maxime Ripard
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