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From: Arnd Bergmann <arnd@arndb.de>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Lee Jones <lee.jones@linaro.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	STEricsson_nomadik_linux@list.st.com,
	linus.walleij@stericsson.com
Subject: Re: [PATCH 00/19] First HREF Device Tree enablement patch-set
Date: Mon, 10 Sep 2012 10:13:16 +0000	[thread overview]
Message-ID: <201209101013.16697.arnd@arndb.de> (raw)
In-Reply-To: <CACRpkdZ-QpHzeEBO=RFVe-8S2DG4-thhwW9iVbAMXZrOe-FnAw@mail.gmail.com>

On Monday 10 September 2012, Linus Walleij wrote:
> Basically that was at a point when we were changing a lot of
> subsystem trees with DT patches that were merged in out-of-order
> fashion.
> 
> Then it's better to have the DT changes to be pushed
> separately at the end of the merge window after all subtrees
> with dependent changes are merged. (Or even in the next merge
> window if there is no hurry, but we always seem to be in a hurry...)
> 
> If all the changes are in the same subtree (like ARM SoC with
> ACKs from all over the place where needed) you can do it
> this way instead, and I agree it looks better.

I think we're talking about different things:

I think it's fine to do the device driver conversion separately
from the platform changes, but doing that properly means that the
platform changes should only go in after the drivers have changed.

Inside of the platform code, I absolutely think we should change the
board file and the dts file simultaneously. When the driver offers
two ways of probing a device, this lets us change from one way to
the other without going through a phase where we use neither of them
or (worse) both at the same time.

	Arnd

  reply	other threads:[~2012-09-10 10:13 UTC|newest]

Thread overview: 87+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-07 11:14 [PATCH 00/19] First HREF Device Tree enablement patch-set Lee Jones
2012-09-07 11:14 ` [PATCH 01/19] ARM: ux500: Add skeleton Device Tree for the HREF reference board Lee Jones
2012-09-10  8:47   ` Linus Walleij
2012-09-14  9:37     ` Lee Jones
2012-09-14 14:01       ` Linus Walleij
2012-09-07 11:14 ` [PATCH 02/19] ARM: ux500: Add UART support to the HREF Device Tree Lee Jones
2012-09-10  8:49   ` Linus Walleij
2012-09-07 11:14 ` [PATCH 03/19] ARM: ux500: Pass SDI DMA information though AUX_DATA to MMCI Lee Jones
2012-09-10  8:50   ` Linus Walleij
2012-09-07 11:14 ` [PATCH 04/19] ARM: ux500: Add SDI (MMC) support to the HREF Device Tree Lee Jones
2012-09-07 12:29   ` Arnd Bergmann
2012-09-07 12:39     ` Lee Jones
2012-09-10  9:51   ` Linus Walleij
2012-09-07 11:14 ` [PATCH 05/19] ARM: ux500: Stop registering HREF's SDI devices from platform data Lee Jones
2012-09-07 12:30   ` Arnd Bergmann
2012-09-07 11:14 ` [PATCH 06/19] ARM: ux500: Add nodes for the MSP into the HREF Device Tree Lee Jones
2012-09-10  9:53   ` Linus Walleij
2012-09-14  9:23     ` Lee Jones
2012-09-14 14:00       ` Linus Walleij
2012-09-07 11:14 ` [PATCH 07/19] ARM: ux500: Add all encompassing sound node to " Lee Jones
2012-09-10  9:56   ` Linus Walleij
2012-09-14  9:20     ` Lee Jones
2012-09-07 11:14 ` [PATCH 08/19] ARM: ux500: Stop registering Audio devices for HREF when DT is enabled Lee Jones
2012-09-10  9:57   ` Linus Walleij
2012-09-07 11:14 ` [PATCH 09/19] ARM: ux500: Enable SSP (SPI) for HREF when booting Device Tree Lee Jones
2012-09-10 11:11   ` Linus Walleij
2012-09-14  9:18     ` Lee Jones
2012-09-17 17:03     ` Roland Stigge
2012-09-18 12:08       ` Linus Walleij
2012-09-18 12:13         ` Roland Stigge
2012-09-07 11:14 ` [PATCH 10/19] ARM: ux500: Remove redundant #gpio-cell properties from HREF and Snowball DT Lee Jones
2012-09-10 11:12   ` Linus Walleij
2012-09-14  9:10     ` Lee Jones
2012-09-14 13:58       ` Linus Walleij
2012-09-07 11:14 ` [PATCH 11/19] ARM: ux500: Add all known I2C sub-device nodes to the HREF DT Lee Jones
2012-09-10 11:34   ` Linus Walleij
2012-09-14  8:47     ` Lee Jones
2012-09-20  6:51       ` Linus Walleij
2012-09-18 15:49     ` Lee Jones
2012-09-07 11:14 ` [PATCH 12/19] i2c-nomadik: Register sub-devices when passed via Device Tree Lee Jones
2012-09-10 11:42   ` Linus Walleij
2012-09-12 10:52     ` Wolfram Sang
2012-09-14  8:27       ` Lee Jones
2012-09-14  8:41         ` Wolfram Sang
2012-09-14  9:02           ` Lee Jones
2012-09-14  9:39             ` Wolfram Sang
2012-09-14 10:15               ` Lee Jones
2012-09-14 11:32                 ` Wolfram Sang
2012-09-19 20:12                   ` Lee Jones
2012-10-06 11:25                     ` Wolfram Sang
2012-09-14  8:22     ` Lee Jones
2012-09-07 11:14 ` [PATCH 13/19] ARM: ux500: Stop registering I2C sub-devices for HREF when DT is enabled Lee Jones
2012-09-10 12:56   ` Linus Walleij
2012-09-07 11:14 ` [PATCH 14/19] ARM: ux500: Apply tc3589x's GPIO/IRQ properties to HREF's DT Lee Jones
2012-09-10 12:58   ` Linus Walleij
2012-09-14  8:33     ` Lee Jones
2012-09-07 11:14 ` [PATCH 15/19] mfd: Don't convert just one IRQ using irqdomain if a range is provided Lee Jones
2012-09-07 12:35   ` Arnd Bergmann
2012-09-07 12:46     ` Lee Jones
2012-09-07 13:37       ` Arnd Bergmann
2012-09-07 13:43         ` Lee Jones
2012-09-07 13:57           ` Arnd Bergmann
2012-09-17 13:45             ` Samuel Ortiz
2012-09-17 14:11               ` Lee Jones
2012-09-21 22:20                 ` Samuel Ortiz
2012-09-07 11:14 ` [PATCH 16/19] mfd: Provide the tc3589x with its own IRQ domain Lee Jones
2012-09-10 13:05   ` Linus Walleij
2012-09-16 23:45   ` Samuel Ortiz
2012-09-07 11:14 ` [PATCH 17/19] mfd: Enable the tc3589x for Device Tree Lee Jones
2012-09-10 13:08   ` Linus Walleij
2012-09-16 23:45   ` Samuel Ortiz
2012-09-07 11:14 ` [PATCH 18/19] gpio: Provide the tc3589x GPIO expander driver with an IRQ domain Lee Jones
2012-09-10 13:10   ` Linus Walleij
2012-09-12 13:04     ` Linus Walleij
2012-09-14  8:14     ` Lee Jones
2012-09-12 21:21   ` Linus Walleij
2012-09-07 11:14 ` [PATCH 19/19] gpio: Enable the tc3298x GPIO expander driver for Device Tree Lee Jones
2012-09-10 13:20   ` Linus Walleij
2012-09-12 21:21   ` Linus Walleij
2012-09-07 12:41 ` [PATCH 00/19] First HREF Device Tree enablement patch-set Arnd Bergmann
2012-09-07 13:01   ` Lee Jones
2012-09-07 13:58     ` Arnd Bergmann
2012-09-07 14:22       ` Lee Jones
2012-09-10  8:41       ` Linus Walleij
2012-09-10 10:13         ` Arnd Bergmann [this message]
2012-09-10 11:29           ` Linus Walleij
2012-09-10 13:49             ` Arnd Bergmann

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