On Mon, Feb 19, 2024 at 01:23:22PM -0300, Fabio Estevam wrote: > On Mon, Feb 19, 2024 at 12:57 PM Frank Li <Frank.Li@xxxxxxx> wrote: > > > > From: Han Xu <han.xu@xxxxxxx> > > > > Using dma_pool to manage dma descriptor memory. > > Please clearly describe the motivation for doing this. This try to fix a cma_alloc failure. But it is not correct to use dma_pool. let's work out a better method. Frank