Hi, On 27. 11. 20 11:31, quanyang.wang wrote: > Hi Michal, > > On 11/27/20 6:28 PM, Michal Simek wrote: >> Hi, >> >> On 27. 11. 20 11:22, quanyang.wang wrote: >>> Hi Michal, >>> >>> On 11/26/20 8:20 PM, Michal Simek wrote: >>>> Hi, >>>> >>>> On 26. 11. 20 11:19, [email protected] wrote: >>>>> From: Quanyang Wang <[email protected]> >>>>> >>>>> Hi Bruce, >>>>> >>>>> Would you please help remove the obsolete branch standard/xlnx-soc in >>>>> linux-yocto-dev >>>>> and apply these patches for v5.10 as below to the new branch >>>>> standard/xlnx-soc? >>>>> >>>>> There are 1451 patches in this pull request. >>>>> >>>>> Among them, 1443 patches are picked from >>>>> https://github.com/Xilinx/linux-xlnx.git xlnx_rebase_v5.4 (tag >>>>> xlnx_rebase_v5.4_2020.2). >>>>> and some of them are modified to adapt to the v5.10. And there are 4 >>>>> new patches. >>>> I took at look at your branch and there are some interesting things. >>>> First of all thanks for your work. >>>> >>>> Do you use any script of it because I see you keep references to origin >>>> sha1 which is quite nice? >>>> >>>> Then obviously we need to switch to psgtr mainline driver and add >>>> missing features because that's the only way to go in long run. I tested >>> Did you test sata by using v5.10 kernel? Do I need modify dts file >>> >>> to enable psgtr for sata? >>> >> Yes. Here is for example setting for zcu102. I need to take a look at >> others boards too. >> >> http://git.monstr.eu/?p=linux-2.6-microblaze.git;a=shortlog;h=refs/heads/zynqmp/dt > > Thank you very much. This helps me a lot.
you can normally used fixed-clock node for that. But one thing what I am not sure with mainline psgtr driver is when you cat clk_summary you can't really see ref count because none is calling clk_enable. That's why I think when you have gt clock source provided from external device you really should enable that clock before use it. Some boards have si5341 chips that's why can be directly use. Some of them should be done via fixed clocks. And I didn't try anything else yet. Thanks, Michal
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