On Tue, Mar 09, 2021 at 06:19:40AM +0100, Sanket Parmar wrote: > dma_alloc_coherent() might fail on the platform with a small DMA region. > > To avoid such failure in cdns3_prepare_aligned_request_buf(), > dma_alloc_coherent() is replaced with kmalloc and dma_map API to > allocate aligned request buffer of dynamic length.
dma_alloc_noncoherent is the proper API instead of using kmalloc, which can lead to unaddressable memory that might require bounce buffering.
