From: khilman@ti•com (Kevin Hilman)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 1/1] ARM: OMAP2+: omap2plus_defconfig: enable OMAP DMA engine support
Date: Mon, 16 Jul 2012 10:12:28 -0700 [thread overview]
Message-ID: <87bojfeikj.fsf@ti.com> (raw)
In-Reply-To: <1342321398-11009-1-git-send-email-javier@dowhile0.org> (Javier Martinez Canillas's message of "Sun, 15 Jul 2012 05:03:18 +0200")
Javier Martinez Canillas <javier@dowhile0•org> writes:
> commit 13f30fc893e4610f67dd7a8b0b67aec02eac1775
> Author: Russell King <rmk+kernel@arm•linux.org.uk>
> Date: Sat Apr 21 22:41:10 2012 +0100
>
> mmc: omap: remove private DMA API implementation
>
> removed the private DMA API implementation from the OMAP mmc host to
> make it use exclusively the DMA engine API.
>
> Unfortunately the omap2plus_defconfig doesn't enable this feature
> leading to the following error on an IGEPv2 Rev.C (and probably on most
> boards with MMC support):
Personally, I'd rather see this fixed by having the drivers that depend
on DMA engine 'select DMADEVICES'. That way, any defconfig will work
correctly instead of just omap2plus_defconfig.
Kevin
> [ 2.199981] omap_hsmmc omap_hsmmc.1: unable to obtain RX DMA engine channel 48
> [ 2.215087] omap_hsmmc omap_hsmmc.0: unable to obtain RX DMA engine channel 62
>
> Signed-off-by: Javier Martinez Canillas <javier@dowhile0•org>
> ---
> arch/arm/configs/omap2plus_defconfig | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig
> index b152de7..e58edc3 100644
> --- a/arch/arm/configs/omap2plus_defconfig
> +++ b/arch/arm/configs/omap2plus_defconfig
> @@ -193,6 +193,8 @@ CONFIG_MMC_OMAP_HS=y
> CONFIG_RTC_CLASS=y
> CONFIG_RTC_DRV_TWL92330=y
> CONFIG_RTC_DRV_TWL4030=y
> +CONFIG_DMADEVICES=y
> +CONFIG_DMA_OMAP=y
> CONFIG_EXT2_FS=y
> CONFIG_EXT3_FS=y
> # CONFIG_EXT3_FS_XATTR is not set
next prev parent reply other threads:[~2012-07-16 17:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-15 3:03 [PATCH 1/1] ARM: OMAP2+: omap2plus_defconfig: enable OMAP DMA engine support Javier Martinez Canillas
2012-07-16 17:12 ` Kevin Hilman [this message]
2012-07-16 23:28 ` Javier Martinez Canillas
2012-07-19 11:40 ` Tony Lindgren
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