[meta-xilinx] QSPI Issues related to Linux 4.9

[Manjukumar Harthikote Matha]

> -----Original Message-----
> From: Mike Looijmans [mailto:mike.looijmans at topic.nl]
> Sent: Thursday, November 30, 2017 2:04 AM
> To: Syed Syed <SYEDS at xilinx.com>; Manjukumar Harthikote Matha
> <MANJUKUM at xilinx.com>; Martin Siegumfeldt <mns at gomspace.com>; meta-
> xilinx at yoctoproject.org
> Subject: Re: [meta-xilinx] QSPI Issues related to Linux 4.9
> 
> On 29-11-17 09:29, Syed Syed wrote:
> > git-dev at xilinx.com is internal to Xilinx. You should use git at xilinx.com. It is still in
> active state. I don’t know why no-one acknowledged your patches there. Can you
> re-try? I will try to make sure it reaches right folks at Xilinx. Appreciate your efforts.
> >
> 
> I resent the series, to git at xilinx.com, with a BCC to a private e-mail account and
> verified that all three arrived safely.
> 
> If you did not receive it, please complain loudly to your IT department.
> 

We have to now, because we never got the patches :)
I have opened an internal CR to track and get these patches applied, if we cannot apply it for 4.9 we will definitely address it in the next kernel upgrade version.

Thanks,
Manju


> 
> > Thanks
> > -syed
> >
> >>
> 
> Kind regards,
> 
> Mike Looijmans
> System Expert
> 
> TOPIC Products
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> Telefoon: +31 (0) 499 33 69 79
> E-mail: mike.looijmans at topicproducts.com
> Website: www.topicproducts.com
> 
> Please consider the environment before printing this e-mail
> 
> 
> 
> -----Original Message-----
> >> From: meta-xilinx-bounces at yoctoproject.org [mailto:meta-xilinx-
> >> bounces at yoctoproject.org] On Behalf Of Mike Looijmans
> >> Sent: Wednesday, November 29, 2017 11:54 AM
> >> To: Manjukumar Harthikote Matha <MANJUKUM at xilinx.com>; Martin
> >> Siegumfeldt <mns at gomspace.com>; meta-xilinx at yoctoproject.org
> >> Subject: Re: [meta-xilinx] QSPI Issues related to Linux 4.9
> >>
> >> I re-sent the three patches as series to git-dev at xilinx.com with a CC to you.
> >>
> >> Mike.
> >>
> >> On 28-11-17 19:56, Manjukumar Harthikote Matha wrote:
> >>> Hi Mike,
> >>>
> >>> Thanks for your work, please send patches to git-dev at xilinx.com
> >>>
> >>> Thanks,
> >>> Manju
> >>>
> >>>>
> >>
> >> Kind regards,
> >>
> >> Mike Looijmans
> >> System Expert
> >>
> >> TOPIC Products
> >> Materiaalweg 4, NL-5681 RJ Best
> >> Postbus 440, NL-5680 AK Best
> >> Telefoon: +31 (0) 499 33 69 79
> >> E-mail: mike.looijmans at topicproducts.com
> >> Website: www.topicproducts.com
> >>
> >> Please consider the environment before printing this e-mail
> >>
> >>
> >>
> >> -----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
> >>>>
> >>>> TOPIC Products
> >>>> Materiaalweg 4, NL-5681 RJ Best
> >>>> Postbus 440, NL-5680 AK Best
> >>>> Telefoon: +31 (0) 499 33 69 79
> >>>> E-mail: mike.looijmans at topicproducts.com
> >>>> Website: www.topicproducts.com
> >>>>
> >>>> Please consider the environment before printing this e-mail
> >>>>
> >>>>
> >>>>
> >>>> --
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> >>
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