[meta-xilinx] Linux kernel differences between met-xilinx and kernel.org?

[Mike Looijmans]

On 12-12-17 16:20, Ralf Spiwoks wrote:
> Hello!
> 
> I am using Yocto and meta-xilinx to build the Linux kernel 4.9 for
> a Zynq XC7Z030. Now, in my organization some people said that:
> 
> "Xilinx currently runs a custom Linux distribution which ... has patches
> to the kernel by Xilink which are not accepted yet in the upstream Linux
> kernel."
> 
> So, my question is:
> What are the differences of the Xilinx Linux kernel w.r.t. to the Linux kernel
> (from kernel.org)?

The main difference is the support for dual-parallel QSPI flash memory. The 
driver for that is in a state (and has been for years) that apparently cannot 
be upstreamed.

So if your board doesn't have dual flash, I'd recommend using mainline Linux 
instead.


Kind regards,

Mike Looijmans
System Expert

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