On Sat, Jun 06, 2020 at 05:32:26AM +0800, Robin Gong wrote: > Fallback to PIO in case dma setup failed. For example, sdma firmware not > updated but ERR009165 workaroud added in kernel. Please do not submit new versions of already applied patches, please submit incremental updates to the existing code. Modifying existing commits creates problems for other users building on top of those commits so it's best practice to only change pubished git commits if absolutely essential.