linux-kernel - Re: [PATCH 1/4] net: sgi: ioc3-eth: don't abuse dma_direct

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Message-Id: <20191030230549.ef9b99b5d36b0a818d904eee@suse.de>
Date:   Wed, 30 Oct 2019 23:05:49 +0100
From:   Thomas Bogendoerfer <tbogendoerfer@...e.de>
To:     Christoph Hellwig <hch@....de>
Cc:     "David S. Miller" <davem@...emloft.net>,
        linux-mips@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] net: sgi: ioc3-eth: don't abuse dma_direct_* calls

On Wed, 30 Oct 2019 14:12:30 -0700
Christoph Hellwig <hch@....de> wrote:

> dma_direct_ is a low-level API that must never be used by drivers
> directly.  Switch to use the proper DMA API instead.

is the 4kb/16kb alignment still guaranteed ? If not how is the way
to get such an alignment ?

Thomas.

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