On Thu, Oct 12, 2023 at 11:25:00PM +1000, Greg Ungerer wrote:
Not sure I follow. This is the opposite of the case above. The noncoherent alloc and cache flush should be performed if ColdFire and any of CONFIG_HAVE_CACHE_CB, CONFIG_CACHE_D or CONFIG_CACHE_BOTH are set - since that means there is data caching involved.
FYI, this is what I ended up with this morning: http://git.infradead.org/users/hch/misc.git/commitdiff/ea7c8c5ca3f158f88594f4f1c9a52735115f9aca Whole branch: http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/dma-coherent-deps