On Fri, Sep 04 2015, Christophe LEROY wrote: > Le 04/09/2015 15:33, Michal Sojka a écrit : >> Dear Christophe, >> >> my MPC5200-based system stopped booting recently. I bisected the problem >> to your commit below. If I revert that commit (on top of >> 807249d3ada1ff28a47c4054ca4edd479421b671 = v4.2-6663-g807249d), my >> system boots again. >> >> > > Do you use mainline code only, or do you have home-made code ?
I use mainline only sources with non-mainline device-tree. > memcpy() is not supposed to be used on non-cacheable memory. > memcpy_toio() is the function to use when copying to non-cacheble area. > > When I submitted the patch, I looked for erroneous use of memcpy() and > memset(). > I found one wrong use of memset() that I changed to memset_io() but I > didn't find any misuse of memcpy(). > But I may have missed one. I attach my .config, if it helps. I have there CONFIG_PPC_MPC52xx=y CONFIG_PPC_MPC5200_SIMPLE=y so arch/powerpc/platforms/52xx is probably the directory to look. Do you see any mempcy misuse there? Thanks, -Michal
.config
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