[meta-xilinx] QSPI Issues related to Linux 4.9

[Manjukumar Harthikote Matha]

Hi Mike,

Thanks for your work, please send patches to git-dev at xilinx.com 

Thanks,
Manju

> -----Original Message-----
> From: meta-xilinx-bounces at yoctoproject.org [mailto:meta-xilinx-
> bounces at yoctoproject.org] On Behalf Of Mike Looijmans
> Sent: Monday, November 27, 2017 2:57 AM
> To: Martin Siegumfeldt <mns at gomspace.com>; meta-xilinx at yoctoproject.org
> Subject: Re: [meta-xilinx] QSPI Issues related to Linux 4.9
> 
> There are several bugs (at least 3) in the Xilinx tree relating to QSPI, I
> implemented fixes in our tree and sent patches to git at xilinx.com (with CC to
> several Xilinx people).
> 
> I did not receive any feedback so far.
> 
> I get the impression that the git at xilinx.com e-mail is no longer in use.
> Better suggestions are welcome.
> 
> The QSPI code from Xilinx is not part of mainline Linux (and for good reason
> it seems), so sending patches to mainline linux is pointless.
> 
> (If you're designing Zynq boards, my advice for now is to steer away from the
> dual-qspi config, it's almost useless on the Zynq and forces you to use
> Xilinx' tree instead of mainline)
> 
> 
> 
> On 24-11-17 14:02, Martin Siegumfeldt wrote:
> > Hi,
> >
> > I recently updated the Linux kernel for a custom board based on z7k from Xilinx
> version 4.6 to 4.9, and spend a few days debugging issues related to the QSPI flash
> (n25q512a13). By coincidence I stumbled upon https://github.com/topic-embedded-
> products/linux/commit/8f89736e4e4c116b442f56b3414c33b36f99bc18#diff-
> 49f4e70fe9e60ff773b57164b9e03dbb (thanks Mike) which resolved the issue. It
> looks like this commit has been left out during the 4.9 transition. Since I am
> apparently not  the only one encountering this issue I wonder if this is planned fixed
> upstream (upstream as in the Xilinx fork I mean)
> >
> > Thanks,
> > Martin
> >
> 
> 
> 
> Kind regards,
> 
> Mike Looijmans
> System Expert
> 
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