linux-kernel - Re: [PATCH] dmascc: add CONFIG_VIRT_TO

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Date:   Tue, 28 Sep 2021 12:20:07 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     davem@...emloft.net, kuba@...nel.org, arnd@...db.de,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dmascc: add CONFIG_VIRT_TO_BUS dependency

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Mon, 27 Sep 2021 16:15:24 +0200 you wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> Many architectures don't define virt_to_bus() any more, as drivers
> should be using the dma-mapping interfaces where possible:
> 
> In file included from drivers/net/hamradio/dmascc.c:27:
> drivers/net/hamradio/dmascc.c: In function 'tx_on':
> drivers/net/hamradio/dmascc.c:976:30: error: implicit declaration of function 'virt_to_bus'; did you mean 'virt_to_fix'? [-Werror=implicit-function-declaration]
>   976 |                              virt_to_bus(priv->tx_buf[priv->tx_tail]) + n);
>       |                              ^~~~~~~~~~~
> arch/arm/include/asm/dma.h:109:52: note: in definition of macro 'set_dma_addr'
>   109 |         __set_dma_addr(chan, (void *)__bus_to_virt(addr))
>       |                                                    ^~~~
> 
> [...]

Here is the summary with links:
  - dmascc: add CONFIG_VIRT_TO_BUS dependency
    https://git.kernel.org/netdev/net/c/05e97b3d33cb

You are awesome, thank you!
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