netdev - Re: [net PATCH] atl1c: Fix misuse of netdev_alloc

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Message-Id: <20130728.172138.870691960277941452.davem@davemloft.net>
Date:	Sun, 28 Jul 2013 17:21:38 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	bhutchings@...arflare.com
Cc:	eric.dumazet@...il.com, nhorman@...driver.com,
	luis.henriques@...onical.com, netdev@...r.kernel.org,
	jcliburn@...il.com, stable@...r.kernel.org
Subject: Re: [net PATCH] atl1c: Fix misuse of netdev_alloc_skb in refilling
 rx ring

From: Ben Hutchings <bhutchings@...arflare.com>
Date: Mon, 29 Jul 2013 01:07:18 +0100

> Just like many older PCI/PCIe devices.  So what?  pci_map_single() takes
> care of that, just so long as the driver sets the DMA mask correctly.
> In fact, PCI devices have a 32-bit DMA mask by default.

Right, the DMA API should be taking care of this.
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