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From: Tony Lindgren <tony@atomide.com>
To: Javier Martinez Canillas <martinez.javier@gmail.com>
Cc: Javier Martinez Canillas <javier@dowhile0.org>,
	"Shilimkar, Santosh" <santosh.shilimkar@ti.com>,
	Kevin.Hilman.khilman@ti.com,
	Russell King <linux@arm.linux.org.uk>,
	linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	Chris Ball <cjb@laptop.org>,
	linux-mmc@vger.kernel.org
Subject: Re: [PATCH 1/1] mmc: host: enable OMAP DMA engine support for omap hosts by default
Date: Thu, 19 Jul 2012 04:31:17 -0700	[thread overview]
Message-ID: <20120719113116.GM6522@atomide.com> (raw)
In-Reply-To: <CAAwP0s1UB_Q33KhXp_gvKfTMHRiBaH60HmXsMKxVkAxT1byctg@mail.gmail.com>

* Javier Martinez Canillas <martinez.javier@gmail.com> [120718 01:31]:
> That was my first approach in fact, I sent this patch:
> https://patchwork.kernel.org/patch/1198401/
> 
> But then was told by Kevin Hilman that the right solution was to do
> the select on the drives to fix not only omap2plus_defconfig but any
> config.
> So I sent this patch and Santosh agrees with Kevin.
> 
> I don't really know the hardware nor the driver well enough to have a
> strong position on this.

Ideally we would not select it or have depends on it. DMA channels
can run out, and drivers need to work also without DMA. For doing
distro kernels, building everything as modules should be an option
rather than forcing to build in all kinds of code.

Regards,

Tony

WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/1] mmc: host: enable OMAP DMA engine support for omap hosts by default
Date: Thu, 19 Jul 2012 04:31:17 -0700	[thread overview]
Message-ID: <20120719113116.GM6522@atomide.com> (raw)
In-Reply-To: <CAAwP0s1UB_Q33KhXp_gvKfTMHRiBaH60HmXsMKxVkAxT1byctg@mail.gmail.com>

* Javier Martinez Canillas <martinez.javier@gmail.com> [120718 01:31]:
> That was my first approach in fact, I sent this patch:
> https://patchwork.kernel.org/patch/1198401/
> 
> But then was told by Kevin Hilman that the right solution was to do
> the select on the drives to fix not only omap2plus_defconfig but any
> config.
> So I sent this patch and Santosh agrees with Kevin.
> 
> I don't really know the hardware nor the driver well enough to have a
> strong position on this.

Ideally we would not select it or have depends on it. DMA channels
can run out, and drivers need to work also without DMA. For doing
distro kernels, building everything as modules should be an option
rather than forcing to build in all kinds of code.

Regards,

Tony

  reply	other threads:[~2012-07-19 11:31 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1342485005-5178-1-git-send-email-javier@dowhile0.org>
2012-07-17  6:45 ` [PATCH 1/1] mmc: host: enable OMAP DMA engine support for omap hosts by default Shilimkar, Santosh
2012-07-17  6:45   ` Shilimkar, Santosh
2012-07-17  6:51   ` Javier Martinez Canillas
2012-07-17  6:51     ` Javier Martinez Canillas
2012-07-18  6:59     ` Tony Lindgren
2012-07-18  6:59       ` Tony Lindgren
2012-07-18  7:04       ` Shilimkar, Santosh
2012-07-18  7:04         ` Shilimkar, Santosh
2012-07-18  7:10         ` Tony Lindgren
2012-07-18  7:10           ` Tony Lindgren
2012-07-18  7:44           ` S, Venkatraman
2012-07-18  7:44             ` S, Venkatraman
2012-07-18  8:36             ` Shilimkar, Santosh
2012-07-18  8:36               ` Shilimkar, Santosh
2012-07-18  8:49               ` Javier Martinez Canillas
2012-07-18  8:49                 ` Javier Martinez Canillas
2012-07-18  9:11                 ` Shilimkar, Santosh
2012-07-18  9:11                   ` Shilimkar, Santosh
2012-07-18  9:16                   ` Javier Martinez Canillas
2012-07-18  9:16                     ` Javier Martinez Canillas
2012-07-18  9:38                     ` S, Venkatraman
2012-07-18  9:38                       ` S, Venkatraman
2012-07-18  9:44                       ` Shilimkar, Santosh
2012-07-18  9:44                         ` Shilimkar, Santosh
2012-07-19 11:32                         ` Tony Lindgren
2012-07-19 11:32                           ` Tony Lindgren
2012-07-20  9:28                           ` S, Venkatraman
2012-07-20  9:28                             ` S, Venkatraman
2012-07-20 10:01                             ` S, Venkatraman
2012-07-20 10:01                               ` S, Venkatraman
2012-08-23 21:00                 ` Peter Meerwald
2012-08-23 21:00                   ` Peter Meerwald
2012-08-24  7:10                   ` Shilimkar, Santosh
2012-08-24  7:10                     ` Shilimkar, Santosh
2012-08-24  7:51                     ` Peter Meerwald
2012-08-24  7:51                       ` Peter Meerwald
2012-08-24  9:42                       ` Russell King - ARM Linux
2012-08-24  9:42                         ` Russell King - ARM Linux
2012-08-24 10:21                         ` Shilimkar, Santosh
2012-08-24 10:21                           ` Shilimkar, Santosh
2012-08-24 10:39                           ` Russell King - ARM Linux
2012-08-24 10:39                             ` Russell King - ARM Linux
2012-08-24 10:45                             ` Shilimkar, Santosh
2012-08-24 10:45                               ` Shilimkar, Santosh
2012-08-24 12:10                               ` Peter Meerwald
2012-08-24 12:10                                 ` Peter Meerwald
2012-08-25  7:57                                 ` Russell King - ARM Linux
2012-08-25  7:57                                   ` Russell King - ARM Linux
2012-07-18  8:25       ` Javier Martinez Canillas
2012-07-18  8:25         ` Javier Martinez Canillas
2012-07-19 11:31         ` Tony Lindgren [this message]
2012-07-19 11:31           ` Tony Lindgren

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