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From: Linus Walleij <linus.walleij@linaro.org>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 11/11] ARM: versatile: move CLCD configuration to device tree
Date: Thu, 25 Feb 2016 15:36:17 +0000	[thread overview]
Message-ID: <CACRpkdbi+cJFP8gUvuLKEWVVU_LScZDvnWH59RC7ug-xt2PK4Q@mail.gmail.com> (raw)
In-Reply-To: <DF3259B0-8A3A-4AB0-A805-F5A8F7295E5C@konsulko.com>

On Thu, Feb 25, 2016 at 3:35 PM, Pantelis Antoniou
<pantelis.antoniou@konsulko.com> wrote:
>> On Feb 25, 2016, at 15:43 , Linus Walleij <linus.walleij@linaro.org> wrote:

>> It also means there is no way to get the console up without the right
>> firmware files in the filesystem. I think that is really crap compared
>> to what we have today where the display will always come up, and
>> basically a regression.
>>
>> I understand the stance with respect to things like add-on hardware
>> like a Bluetooth board or WLAN or whatnot. But the fbdev console
>> is just too basic, like a serial port IMO.
>>
>> Sure in the ARM world we usually have a serial console, but this is
>> seriously breaking current practice.
>
> As Tomi mentioned firmware files can be located in the kernel image; there is no
> requirement to be in a filesystem, and that application can be performed really
> early, before even early init.

Are you thinking about exploiting an appended DT with
CONFIG_ARM_APPENDED_DTB or something else?

Yours,
Linus Walleij

WARNING: multiple messages have this Message-ID (diff)
From: linus.walleij@linaro.org (Linus Walleij)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 11/11] ARM: versatile: move CLCD configuration to device tree
Date: Thu, 25 Feb 2016 16:36:17 +0100	[thread overview]
Message-ID: <CACRpkdbi+cJFP8gUvuLKEWVVU_LScZDvnWH59RC7ug-xt2PK4Q@mail.gmail.com> (raw)
In-Reply-To: <DF3259B0-8A3A-4AB0-A805-F5A8F7295E5C@konsulko.com>

On Thu, Feb 25, 2016 at 3:35 PM, Pantelis Antoniou
<pantelis.antoniou@konsulko.com> wrote:
>> On Feb 25, 2016, at 15:43 , Linus Walleij <linus.walleij@linaro.org> wrote:

>> It also means there is no way to get the console up without the right
>> firmware files in the filesystem. I think that is really crap compared
>> to what we have today where the display will always come up, and
>> basically a regression.
>>
>> I understand the stance with respect to things like add-on hardware
>> like a Bluetooth board or WLAN or whatnot. But the fbdev console
>> is just too basic, like a serial port IMO.
>>
>> Sure in the ARM world we usually have a serial console, but this is
>> seriously breaking current practice.
>
> As Tomi mentioned firmware files can be located in the kernel image; there is no
> requirement to be in a filesystem, and that application can be performed really
> early, before even early init.

Are you thinking about exploiting an appended DT with
CONFIG_ARM_APPENDED_DTB or something else?

Yours,
Linus Walleij

  reply	other threads:[~2016-02-25 15:36 UTC|newest]

Thread overview: 145+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-04 14:04 [PATCH 00/11] CLCD Nomadik+Versatile support Linus Walleij
2016-02-04 14:04 ` Linus Walleij
2016-02-04 14:04 ` [PATCH 01/11] video: ARM CLCD: backlight support for OF Linus Walleij
2016-02-04 14:04   ` Linus Walleij
2016-02-04 14:04 ` [PATCH 02/11] video: ARM CLCD: support DT signal inversion flags Linus Walleij
2016-02-04 14:04   ` Linus Walleij
2016-02-17 18:10   ` [02/11] " Ray Jui
2016-02-17 18:10     ` Ray Jui
2016-02-19  8:46     ` Linus Walleij
2016-02-19  8:46       ` Linus Walleij
2016-02-20  1:23       ` Ray Jui
2016-02-20  1:23         ` Ray Jui
2016-02-20 11:46         ` Linus Walleij
2016-02-20 11:46           ` Linus Walleij
2016-02-04 14:04 ` [PATCH 03/11] video: ARM CLCD: support pads connected in reverse order Linus Walleij
2016-02-04 14:04   ` Linus Walleij
2016-02-04 14:04 ` [PATCH 04/11] video: ARM CLCD: support Nomadik variant Linus Walleij
2016-02-04 14:04   ` Linus Walleij
2016-02-04 14:04 ` [PATCH 05/11] video: ARM CLCD: add special board and panel hooks for Nomadik Linus Walleij
2016-02-04 14:04   ` Linus Walleij
2016-02-04 14:04 ` [PATCH 06/11] Documentation/DT: add blurb for IB2 syscon to Versatile Linus Walleij
2016-02-04 14:04   ` Linus Walleij
2016-02-04 14:04 ` [PATCH 07/11] Documentation/DT: add Versatile display bindings Linus Walleij
2016-02-04 14:04   ` Linus Walleij
2016-02-17  9:11   ` Tomi Valkeinen
2016-02-17  9:11     ` Tomi Valkeinen
2016-02-18 20:48     ` Linus Walleij
2016-02-18 20:48       ` Linus Walleij
2016-02-04 14:04 ` [PATCH 08/11] video: ARM CLCD: add special panel hook for Versatiles Linus Walleij
2016-02-04 14:04   ` Linus Walleij
2016-02-04 14:04 ` [PATCH 09/11] ARM: PB11MPCore: define a standard VGA panel Linus Walleij
2016-02-04 14:04   ` Linus Walleij
2016-02-04 14:04 ` [PATCH 10/11] ARM: PB1176: " Linus Walleij
2016-02-04 14:04   ` Linus Walleij
2016-02-04 14:04 ` [PATCH 11/11] ARM: versatile: move CLCD configuration to device tree Linus Walleij
2016-02-04 14:04   ` Linus Walleij
2016-02-17  9:09   ` Tomi Valkeinen
2016-02-17  9:09     ` Tomi Valkeinen
2016-02-17  9:41     ` Russell King - ARM Linux
2016-02-17  9:41       ` Russell King - ARM Linux
2016-02-17 16:17     ` Linus Walleij
2016-02-17 16:17       ` Linus Walleij
2016-02-17 21:32       ` Russell King - ARM Linux
2016-02-17 21:32         ` Russell King - ARM Linux
2016-02-18 11:52         ` Tomi Valkeinen
2016-02-18 11:52           ` Tomi Valkeinen
2016-02-18 13:12           ` Russell King - ARM Linux
2016-02-18 13:12             ` Russell King - ARM Linux
2016-02-18 13:37             ` Tomi Valkeinen
2016-02-18 13:37               ` Tomi Valkeinen
2016-02-18 20:31               ` Linus Walleij
2016-02-18 20:31                 ` Linus Walleij
     [not found]           ` <56C5B080.9090007-l0cyMroinI0@public.gmane.org>
2016-02-21 22:39             ` Linus Walleij
2016-02-21 22:39               ` Linus Walleij
2016-02-21 22:39               ` Linus Walleij
     [not found]               ` <CACRpkdaXFUCR5=5mS28_4Dx_LfzqV13zwT=vVeJwuOzm_rGRBQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-02-22 15:41                 ` Tomi Valkeinen
2016-02-22 15:41                   ` Tomi Valkeinen
2016-02-22 15:41                   ` Tomi Valkeinen
     [not found]                   ` <56CB2C31.5040703-l0cyMroinI0@public.gmane.org>
2016-02-22 15:54                     ` Linus Walleij
2016-02-22 15:54                       ` Linus Walleij
2016-02-22 15:54                       ` Linus Walleij
2016-02-23  9:08   ` Linus Walleij
2016-02-23  9:08     ` Linus Walleij
2016-02-23  9:34     ` Arnd Bergmann
2016-02-23  9:34       ` Arnd Bergmann
2016-02-23 10:10       ` Linus Walleij
2016-02-23 10:10         ` Linus Walleij
2016-02-23 11:22         ` Arnd Bergmann
2016-02-23 11:22           ` Arnd Bergmann
2016-02-23 13:00           ` Tomi Valkeinen
2016-02-23 13:00             ` Tomi Valkeinen
2016-02-23 13:16             ` Linus Walleij
2016-02-23 13:16               ` Linus Walleij
2016-02-23 13:38               ` Tomi Valkeinen
2016-02-23 13:38                 ` Tomi Valkeinen
2016-02-24 10:53                 ` Russell King - ARM Linux
2016-02-24 10:53                   ` Russell King - ARM Linux
2016-02-24 11:35                   ` Tomi Valkeinen
2016-02-24 11:35                     ` Tomi Valkeinen
2016-02-25 14:04                 ` Linus Walleij
2016-02-25 14:04                   ` Linus Walleij
2016-02-25 16:08                   ` Arnd Bergmann
2016-02-25 16:08                     ` Arnd Bergmann
2016-02-25 16:22                   ` Russell King - ARM Linux
2016-02-25 16:22                     ` Russell King - ARM Linux
2016-02-25 16:45                   ` Tomi Valkeinen
2016-02-25 16:45                     ` Tomi Valkeinen
2016-02-25 16:57                     ` Russell King - ARM Linux
2016-02-25 16:57                       ` Russell King - ARM Linux
2016-02-25 19:30                     ` Linus Walleij
2016-02-25 19:30                       ` Linus Walleij
2016-02-26 10:47                       ` Tomi Valkeinen
2016-02-26 10:47                         ` Tomi Valkeinen
2016-03-05 16:57                         ` Linus Walleij
2016-03-05 16:57                           ` Linus Walleij
2016-03-07  7:36                           ` Tomi Valkeinen
2016-03-07  7:36                             ` Tomi Valkeinen
2016-02-25 19:32                     ` Linus Walleij
2016-02-25 19:32                       ` Linus Walleij
2016-02-23  9:58     ` Tomi Valkeinen
2016-02-23  9:58       ` Tomi Valkeinen
2016-02-23 10:32       ` Adam Ford
2016-02-23 10:32         ` Adam Ford
2016-02-23 10:59         ` Pantelis Antoniou
2016-02-23 10:59           ` Pantelis Antoniou
2016-02-23 11:56       ` Peter Maydell
2016-02-23 11:56         ` Peter Maydell
2016-02-23 12:01         ` Russell King - ARM Linux
2016-02-23 12:01           ` Russell King - ARM Linux
2016-02-23 13:45           ` Tom Rini
2016-02-23 13:45             ` Tom Rini
2016-02-23 12:45         ` Tomi Valkeinen
2016-02-23 12:45           ` Tomi Valkeinen
2016-02-23 13:49           ` Peter Maydell
2016-02-23 13:49             ` Peter Maydell
2016-02-24 12:06             ` Tomi Valkeinen
2016-02-24 12:06               ` Tomi Valkeinen
2016-02-24 10:46           ` Russell King - ARM Linux
2016-02-24 10:46             ` Russell King - ARM Linux
2016-02-24 11:21             ` Tomi Valkeinen
2016-02-24 11:21               ` Tomi Valkeinen
2016-02-24 11:35               ` Russell King - ARM Linux
2016-02-24 11:35                 ` Russell King - ARM Linux
2016-02-24 11:47                 ` Tomi Valkeinen
2016-02-24 11:47                   ` Tomi Valkeinen
2016-02-24 12:13               ` Pantelis Antoniou
2016-02-24 12:13                 ` Pantelis Antoniou
2016-02-25 13:43                 ` Linus Walleij
2016-02-25 13:43                   ` Linus Walleij
2016-02-25 13:56                   ` Tomi Valkeinen
2016-02-25 13:56                     ` Tomi Valkeinen
2016-02-25 14:35                   ` Pantelis Antoniou
2016-02-25 14:35                     ` Pantelis Antoniou
2016-02-25 15:36                     ` Linus Walleij [this message]
2016-02-25 15:36                       ` Linus Walleij
2016-02-25 15:40                       ` Pantelis Antoniou
2016-02-25 15:40                         ` Pantelis Antoniou
2016-02-23 13:08         ` Linus Walleij
2016-02-23 13:08           ` Linus Walleij
2016-02-15 23:34 ` [PATCH 00/11] CLCD Nomadik+Versatile support Linus Walleij
2016-02-15 23:34   ` Linus Walleij
2016-02-16 13:29   ` Tomi Valkeinen
2016-02-16 13:29     ` Tomi Valkeinen
2016-02-16 22:30     ` Linus Walleij
2016-02-16 22:30       ` Linus Walleij

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