Re: [PATCH] au1000_eth: stop using virt_to_bus()

From: Manuel Lauss
Date: Tue Jun 07 2022 - 06:36:18 EST


On Tue, Jun 7, 2022 at 11:02 AM Arnd Bergmann <arnd@xxxxxxxxxx> wrote:
>
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> The conversion to the dma-mapping API in linux-2.6.11 was incomplete
> and left a virt_to_bus() call around. There have been a number of
> fixes for DMA mapping API abuse in this driver, but this one always
> slipped through.
>
> Change it to just use the existing dma_addr_t pointer, and make it
> use the correct types throughout the driver to make it easier to
> understand the virtual vs dma address spaces.
>
> Cc: Manuel Lauss <manuel.lauss@xxxxxxxxx>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

lightly tested on a DB1500 board, without issues.

Tested-by: Manuel Lauss <manuel.lauss@xxxxxxxxx>

Thanks!