Messages in this thread | | | Date | Tue, 21 Apr 2020 11:34:27 +0200 | From | Greg KH <> | Subject | Re: [PATCH v2,RESEND] misc: new driver sram_uapi for user level SRAM access |
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On Tue, Apr 21, 2020 at 05:09:47PM +0800, 王文虎 wrote: > Hi, Greg, Arnd, > > Thank you for your comments first, and then really very very very sorry > for driving Greg to sigh and I hope there would be chance to share Moutai > (rather than whisky, we drink it much, a kind of Baijiu), after the virus. > > Back to the comments, I'd like to do a bit of documentation or explanation first, > which should have been done early or else there would not be so much to explain: > 1. What I have been trying to do is to access the Freescale Cache-SRAM device form > user level; > 2. I implemented it using UIO, which was thought of non-proper;
I still think that using uio is the best way to do this, and never said it was "non-proper". All we got bogged down in was the DT representation of stuff from what I remember. That should be worked through.
thanks,
greg k-h
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