Messages in this thread |  | | Subject | Re: [PATCH v4 19/23] drivers/fsi: Add GPIO based FSI master | From | Benjamin Herrenschmidt <> | Date | Mon, 10 Apr 2017 07:55:37 +1000 |
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On Mon, 2017-04-10 at 07:53 +1000, Benjamin Herrenschmidt wrote: > FYI. pdbg in userspace operates without any delays in practice, the > overhead between the various load/store instructions seems > sufficient. > > The only delay that's needed is when going through the FSI2PIB (to do > SCOMs) where it seems like back-2-back accesses can be problematic.
Note: This isn't an objection to merging the patches. We can look at doing an improved backend later.
Cheers, Ben.
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