On Sat, Sep 12, 2026 at 03:00:56PM -0400, Myeonghun Pak wrote: > With rockchip,sfc-no-dma, probe skips allocating and mapping the transfer > buffer. However, controller registration failure and driver removal still > call dma_unmap_single() for that nonexistent mapping. Please don't send new patches in reply to old patches or serieses, this makes it harder for both people and tools to understand what is going on - it can bury things in mailboxes and make it difficult to keep track of what current patches are, both for the new patches and the old ones.