> On Sep 28, 2015, at 8:40 PM, Daniel Axtens <d...@axtens.net> wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA512 > > "Matthew R. Ochs" <mro...@linux.vnet.ibm.com> writes: > >> From: Manoj Kumar <ma...@linux.vnet.ibm.com> >> >> The operator used to double the delay is incorrect and >> does not result in delay doubling. >> >> To fix, use a left shift instead of the XOR operator. >> > I can see that the patch is correct, but this commit message is a bit > confusing. What delay? In what circumstances are you doubling it? Why?
This is the response delay while resetting the master context. The reset is performed by writing a bit and then waiting for it to clear. While waiting for it to clear, the code relaxes the delta between MMIO reads. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev