[yocto] yocto on zynq, How to configure kernel to include drivers

[Toby Gomersall]

Hi,

We've tried building the linux-xlnx tree standalone and we have the DMA
drivers available to add in menuconfig but not when I build
core-image-minimal. I thought the full build would pick up the
linux-xlnx kernel and make the same options available. Is there
something I need to do to make them available?

Regards,
Toby

On 04/11/15 13:47, Hecht, Martin (Silica) wrote:
> Hi Toby,
> 
> Please compare with http://www.wiki.xilinx.com/Linux+Drivers. Most of the DMA drivers aren't mainlined by now. You need to add them by yourself currently.
> 
> Regards,
> Martin
> 
> 
> -----Original Message-----
> From: yocto-bounces at yoctoproject.org [mailto:yocto-bounces at yoctoproject.org] On Behalf Of Toby Gomersall
> Sent: Mittwoch, 4. November 2015 14:44
> To: yocto at yoctoproject.org
> Subject: [yocto] yocto on zynq, How to configure kernel to include drivers
> 
> I'm quite new to yocto so still have a lot to learn. I'm trying to include the DMA drivers in my yocto build for a Zynq based on the meta-xilinx layer (http://git.yoctoproject.org/cgit/cgit.cgi/meta-xilinx/).
> 
> I thought I'd be able to add them in the kernel configuration
> (menuconfig) by running (from within the build directory):
> 
> bitbake linux-xlnx -c kernel_configme -f bitbake linux-xlnx -c menuconfig
> 
> I can't see the DMA drivers in menuconfig. However if I run menuconfig within the linux-xlnx tree (which is referenced by the SRCURI) I can see the DMA drivers. Is there some reason they're hidden in the build menuconfig?
> 
> Thanks,
> Toby
> 
> 

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