From: s.hauer@pengutronix.de (Sascha Hauer)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/5] ARM: mxs: dynamically allocate dma device for mx23/28
Date: Mon, 7 Feb 2011 09:09:45 +0100 [thread overview]
Message-ID: <20110207080945.GH9041@pengutronix.de> (raw)
In-Reply-To: <1296871696-21008-4-git-send-email-shawn.guo@freescale.com>
On Sat, Feb 05, 2011 at 10:08:14AM +0800, Shawn Guo wrote:
> Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
> ---
> arch/arm/mach-mxs/clock-mx23.c | 3 +-
> arch/arm/mach-mxs/clock-mx28.c | 4 +-
> arch/arm/mach-mxs/devices-mx23.h | 6 +++
> arch/arm/mach-mxs/devices-mx28.h | 6 +++
> arch/arm/mach-mxs/devices/Kconfig | 3 +
> arch/arm/mach-mxs/devices/Makefile | 1 +
> arch/arm/mach-mxs/devices/platform-dma.c | 50 +++++++++++++++++++++++
> arch/arm/mach-mxs/include/mach/devices-common.h | 7 +++
> 8 files changed, 77 insertions(+), 3 deletions(-)
> create mode 100644 arch/arm/mach-mxs/devices/platform-dma.c
>
> diff --git a/arch/arm/mach-mxs/devices-mx23.h b/arch/arm/mach-mxs/devices-mx23.h
> index 1256788..d5595ce 100644
> --- a/arch/arm/mach-mxs/devices-mx23.h
> +++ b/arch/arm/mach-mxs/devices-mx23.h
> @@ -14,3 +14,9 @@
> extern const struct amba_device mx23_duart_device __initconst;
> #define mx23_add_duart() \
> mxs_add_duart(&mx23_duart_device)
> +
> +extern const struct mxs_dma_data mx23_dma_data[] __initconst;
> +#define mx23_add_apbh_dma() \
> + mxs_add_dma(&mx23_dma_data[0])
> +#define mx23_add_apbx_dma() \
> + mxs_add_dma(&mx23_dma_data[1])
> diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h
> index 3b18304..e3a3bbc 100644
> --- a/arch/arm/mach-mxs/devices-mx28.h
> +++ b/arch/arm/mach-mxs/devices-mx28.h
> @@ -23,6 +23,12 @@ extern const struct mxs_auart_data mx28_auart_data[] __initconst;
> #define mx28_add_auart3() mx28_add_auart(3)
> #define mx28_add_auart4() mx28_add_auart(4)
>
> +extern const struct mxs_dma_data mx28_dma_data[] __initconst;
> +#define mx28_add_apbh_dma() \
> + mxs_add_dma(&mx28_dma_data[0])
> +#define mx28_add_apbx_dma() \
> + mxs_add_dma(&mx28_dma_data[1])
> +
Given that the DMA device is fully internal to the SoC and always
present, does it make sense to add it dynamically and to leave
registration to the boards?
Sascha
--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
next prev parent reply other threads:[~2011-02-07 8:09 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-05 2:08 Add dma support for i.MX23/28 Shawn Guo
2011-02-05 2:08 ` [PATCH 1/5] dmaengine: mxs-dma: add " Shawn Guo
2011-02-04 18:17 ` Russell King - ARM Linux
2011-02-08 22:56 ` Shawn Guo
2011-02-08 16:38 ` Russell King - ARM Linux
2011-02-05 15:33 ` Russell King - ARM Linux
2011-02-08 22:59 ` Shawn Guo
2011-02-07 7:37 ` Lothar Waßmann
2011-02-08 23:09 ` Shawn Guo
2011-02-07 8:25 ` Sascha Hauer
2011-02-07 9:09 ` Russell King - ARM Linux
2011-02-08 23:28 ` Shawn Guo
2011-02-09 8:34 ` Sascha Hauer
2011-02-09 21:42 ` Shawn Guo
2011-02-07 14:13 ` Lothar Waßmann
2011-02-08 23:30 ` Shawn Guo
2011-02-07 14:31 ` Lothar Waßmann
2011-02-08 23:38 ` Shawn Guo
2011-02-08 14:41 ` Lothar Waßmann
2011-02-09 0:17 ` Shawn Guo
2011-02-09 8:06 ` Lothar Waßmann
2011-02-09 20:42 ` Shawn Guo
2011-02-09 13:13 ` Lothar Waßmann
2011-02-14 0:16 ` Shawn Guo
2011-02-09 9:09 ` Sascha Hauer
2011-02-09 21:02 ` Shawn Guo
2011-02-05 2:08 ` [PATCH 2/5] ARM: mxs: add dma channel definitions Shawn Guo
2011-02-05 2:08 ` [PATCH 3/5] ARM: mxs: dynamically allocate dma device for mx23/28 Shawn Guo
2011-02-07 8:09 ` Sascha Hauer [this message]
2011-02-09 0:22 ` Shawn Guo
2011-02-05 2:08 ` [PATCH 4/5] ARM: mxs/mx23evk: add dma device Shawn Guo
2011-02-05 2:08 ` [PATCH 5/5] ARM: mxs/mx28evk: " Shawn Guo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20110207080945.GH9041@pengutronix.de \
--to=s.hauer@pengutronix.de \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).