linux-kernel - Re: [PATCH] net: stmmac: Meet alignment requirements for DMA

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Message-Id: <20170926.195244.506518182147628099.davem@davemloft.net>
Date:   Tue, 26 Sep 2017 19:52:44 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     paul.burton@...tec.com
Cc:     matt.redfearn@...tec.com, netdev@...r.kernel.org,
        alexandre.torgue@...com, peppe.cavallaro@...com,
        linux-kernel@...r.kernel.org, linux-mips@...ux-mips.org,
        james.hogan@...tec.com
Subject: Re: [PATCH] net: stmmac: Meet alignment requirements for DMA

From: Paul Burton <paul.burton@...tec.com>
Date: Tue, 26 Sep 2017 14:30:33 -0700

> I'd suggest that at a minimum if you're unwilling to obey the API as
> described in Documentation/DMA-API.txt then it would be beneficial
> if you could propose a change to it such that it works for you, and
> perhaps we can extend the API & its documentation to allow your
> usage whilst also allowing us to catch broken uses.

The networking driver code works fine as is.

I also didn't write that ill-advised documentation in the DMA docs,
nor the non-merged new MIPS assertion.

So I'm trying to figure out on what basis I am required to do
anything.

Thank you.