linux-kernel - Re: [PATCH 4/9] net: moxart: use correct accessors for DMA memory

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Message-ID: <1907107.CbDFUn8Tsc@wuerfel>
Date:	Thu, 28 Jan 2016 17:58:05 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	David Laight <David.Laight@...lab.com>,
	"David S. Miller" <davem@...emloft.net>,
	françois romieu <romieu@...zoreil.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/9] net: moxart: use correct accessors for DMA memory

On Thursday 28 January 2016 17:53:43 Arnd Bergmann wrote:
> 
> Makes sense. I looked at the ftmac100 driver, which is another driver
> for the same hardware, and it's also missing barriers. We should
> probably add them for both then.
> 

Nevermind. That one has write barriers, but no read barriers. I'm assuming
that this intentional and won't follow up with another patch for ftmac100.

	Arnd