linux-kernel - Re: [PATCH net V3] net: stmmac: Fix for mismatched host/device DMA address width

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Date:   Sun, 19 Mar 2023 11:00:17 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Jochen Henneberg <jh@...neberg-systemdesign.com>
Cc:     netdev@...r.kernel.org, peppe.cavallaro@...com,
        alexandre.torgue@...s.st.com, joabreu@...opsys.com,
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        pabeni@...hat.com, mcoquelin.stm32@...il.com, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        linux-imx@....com, matthias.bgg@...il.com,
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        kurt@...utronix.de, ruppala@...dia.com,
        andrey.konovalov@...aro.org, tee.min.tan@...ux.intel.com,
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        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH net V3] net: stmmac: Fix for mismatched host/device DMA
 address width

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@...emloft.net>:

On Fri, 17 Mar 2023 09:08:17 +0100 you wrote:
> Currently DMA address width is either read from a RO device register
> or force set from the platform data. This breaks DMA when the host DMA
> address width is <=32it but the device is >32bit.
> 
> Right now the driver may decide to use a 2nd DMA descriptor for
> another buffer (happens in case of TSO xmit) assuming that 32bit
> addressing is used due to platform configuration but the device will
> still use both descriptor addresses as one address.
> 
> [...]

Here is the summary with links:
  - [net,V3] net: stmmac: Fix for mismatched host/device DMA address width
    https://git.kernel.org/netdev/net/c/070246e4674b

You are awesome, thank you!
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