From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
To: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: linux-arm-kernel@lists.infradead.org,
Nicolas Ferre <nicolas.ferre@atmel.com>,
Boris Brezillon <boris.brezillon@free-electrons.com>,
linux-pcmcia@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-ide@vger.kernel.org, Tejun Heo <tj@kernel.org>,
Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Subject: Re: [PATCH v2 1/9] ata: at91: use syscon to configure the smc
Date: Wed, 8 Apr 2015 13:13:35 +0200 [thread overview]
Message-ID: <20150408111335.GZ20669@piout.net> (raw)
In-Reply-To: <2936706.hVbBP0ExQQ@amdc1032>
Hi,
On 08/04/2015 at 13:04:19 +0200, Bartlomiej Zolnierkiewicz wrote :
> On Monday, March 23, 2015 08:29:07 PM Alexandre Belloni wrote:
> > Use syscon/regmap to configure the smc. This allows to avoid using
> > at91sam9_smc.h and to compile the driver in a multiplatform configuration.
> >
> > The driver will still not probe until the proper DT bindings are added. That
> > binding will include an atmel,smc property that is a phandle to the SMC the CF
> > controller is connected to.
>
> If the driver is currently working fine in !ARCH_MULTIPLATFORM
> configuration then this patch will make it non-functional until
> atmel,smc property is added to DT. To prevent this and preserve
> bisectability the patchset should first add atmel,smc property
> and then convert pata_at91 driver to use it.
>
Starting with 4.1, it will not be possible to use the driver anyway as
all the platforms using it have switched to multiplatform. This patch
makes it compilable again.
Anyway, it seems that there is little interest in that driver and nobody
I contacted has access to a board which can be used to test this.
--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
next prev parent reply other threads:[~2015-04-08 11:13 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-23 19:29 [PATCH v2 0/9] ARM: at91 cleanups for 4.1 #2 Alexandre Belloni
2015-03-23 19:29 ` [PATCH v2 1/9] ata: at91: use syscon to configure the smc Alexandre Belloni
2015-04-08 11:04 ` Bartlomiej Zolnierkiewicz
2015-04-08 11:13 ` Alexandre Belloni [this message]
2015-04-08 12:00 ` Bartlomiej Zolnierkiewicz
2015-04-08 12:06 ` Nicolas Ferre
2015-04-08 13:08 ` Bartlomiej Zolnierkiewicz
2015-03-23 19:29 ` [PATCH v2 2/9] ARM: at91: drop sam9_smc.c Alexandre Belloni
2015-03-23 19:29 ` [PATCH v2 3/9] mfd: syscon: Add Atmel MC (Memory Controller) registers definition Alexandre Belloni
2015-04-28 12:30 ` Lee Jones
2015-04-28 12:55 ` Alexandre Belloni
2015-04-28 17:59 ` Lee Jones
2015-03-23 19:29 ` [PATCH v2 4/9] ARM: at91: declare the at91rm9200 memory controller as a syscon Alexandre Belloni
2015-03-23 19:29 ` [PATCH v2 5/9] pcmcia: at91_cf: Use syscon to configure the MC/smc Alexandre Belloni
2015-03-23 19:29 ` [PATCH v2 6/9] ARM: at91/pm: use the atmel-mc syscon defines Alexandre Belloni
2015-03-23 19:29 ` [PATCH v2 7/9] ARM: at91: remove mach/at91_ramc.h and mach/at91rm9200_mc.h Alexandre Belloni
2015-03-23 19:29 ` [PATCH v2 8/9] ARM: at91: remove at91rm9200_sdramc.h Alexandre Belloni
2015-03-23 19:29 ` [PATCH v2 9/9] ARM: at91: remove useless Makefile.boot Alexandre Belloni
2015-05-19 14:46 ` [PATCH v2 0/9] ARM: at91 cleanups for 4.1 #2 Nicolas Ferre
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