linux-kernel - Re: [PATCH] au1000_eth: stop using virt_to

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Date:   Wed, 8 Jun 2022 11:01:16 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>, Arnd Bergmann <arnd@...db.de>,
        Manuel Lauss <manuel.lauss@...il.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] au1000_eth: stop using virt_to_bus()

On Tue,  7 Jun 2022 11:01:46 +0200 Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> 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@...il.com>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Hi Arnd, this can go via net-next, right? The changes are simple
enough, we can try to slip them into -rc2 if necessary.