Re: [PATCH 09/22] usb: cdns3: Don't use GFP_DMA when calling dma_alloc_coherent()
From: Christoph Hellwig
Date: Sat Feb 19 2022 - 02:09:46 EST
On Sat, Feb 19, 2022 at 08:52:08AM +0800, Baoquan He wrote:
> dma_alloc_coherent() allocates dma buffer with device's addressing
> limitation in mind. It's redundent to specify GFP_DMA when calling
> dma_alloc_coherent(). replace it with GFP_KERNEL.
Plase avoid the overly long line. The rest looks good.