On 08/29/12 02:49, Uwe Kleine-König wrote:
On Wed, Aug 29, 2012 at 02:49:36PM +0530, Laxman Dewangan wrote:
On Wednesday 29 August 2012 02:30 PM, Uwe Kleine-König wrote:
Additionally DMADEVICES needs to be enabled as TEGRA20_APB_DMA depends
on that.
Signed-off-by: Uwe Kleine-König<u.kleine-koenig@xxxxxxxxxxxxxx>
---
arch/arm/configs/tegra_defconfig | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/configs/tegra_defconfig b/arch/arm/configs/tegra_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=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_EM3027=y
CONFIG_RTC_DRV_TEGRA=y
+CONFIG_DMADEVICES=y
+CONFIG_TEGRA20_APB_DMA=y
CONFIG_STAGING=y
CONFIG_SENSORS_ISL29018=y
CONFIG_SENSORS_ISL29028=y
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.
I'd prefer tegra_defconfig to produce a useful working system. I believe
that enabling both DMA drivers at the same time will cause conflicts.
Hopefully the switch to the new DMA driver is coming very soon, and this
patch (or equivalent) will be part of that.
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