Re: [PATCH 1/2] Revert "remoteproc: qcom_q6v5_mss: map/unmap metadata region before/after use"

From: Christoph Hellwig
Date: Fri Dec 23 2022 - 09:57:32 EST


On Fri, Dec 23, 2022 at 08:17:31PM +0530, Manivannan Sadhasivam wrote:
> Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>

Btw, if the hardware really does not like a kernel mapping, the
right way is to just keep using the normal dma allocator, but make
sure that there shared-dma-pool with the no-map property for the
device.