From mboxrd@z Thu Jan 1 00:00:00 1970 From: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= Subject: Re: [PATCH] ARM: tegra_defconfig: enable APB DMA support Date: Wed, 29 Aug 2012 11:49:57 +0200 Message-ID: <20120829094957.GF28643@pengutronix.de> References: <1346230800-3167-1-git-send-email-u.kleine-koenig@pengutronix.de> <503DDEA8.1000405@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <503DDEA8.1000405-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Laxman Dewangan Cc: "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , "linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org" , Colin Cross , Olof Johansson , Stephen Warren List-Id: linux-tegra@vger.kernel.org On Wed, Aug 29, 2012 at 02:49:36PM +0530, Laxman Dewangan wrote: > On Wednesday 29 August 2012 02:30 PM, Uwe Kleine-K=F6nig wrote: > >Additionally DMADEVICES needs to be enabled as TEGRA20_APB_DMA depen= ds > >on that. > > > >Signed-off-by: Uwe Kleine-K=F6nig > >--- > > arch/arm/configs/tegra_defconfig | 2 ++ > > 1 file changed, 2 insertions(+) > > > >diff --git a/arch/arm/configs/tegra_defconfig b/arch/arm/configs/teg= ra_defconfig > >index db22453..0d6bb73 100644 > >--- a/arch/arm/configs/tegra_defconfig > >+++ b/arch/arm/configs/tegra_defconfig > >@@ -145,6 +145,8 @@ CONFIG_MMC_SDHCI_TEGRA=3Dy > > CONFIG_RTC_CLASS=3Dy > > CONFIG_RTC_DRV_EM3027=3Dy > > CONFIG_RTC_DRV_TEGRA=3Dy > >+CONFIG_DMADEVICES=3Dy > >+CONFIG_TEGRA20_APB_DMA=3Dy > > CONFIG_STAGING=3Dy > > CONFIG_SENSORS_ISL29018=3Dy > > CONFIG_SENSORS_ISL29028=3Dy >=20 > Hi Uwe, > Tegra team is working on to enable the new dma drivr which is > dmaengine based. We have dma legacy driver as of now in mach-tegra. > Some of the tests are failing with new dmadriver and so we are not > able to enable it. So it depends on what you wanna do with the defconfig. There are two purposes for them: a) compile coverage b) starting point for machine support So it all depends on what you consider to be more important. Best regards Uwe --=20 Pengutronix e.K. | Uwe Kleine-K=F6nig = | Industrial Linux Solutions | http://www.pengutronix.de/= |