linux-kernel - Re: using DMA-API on ARM

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Message-ID: <20141205173839.GB31222@e104818-lin.cambridge.arm.com>
Date:	Fri, 5 Dec 2014 17:38:39 +0000
From:	Catalin Marinas <catalin.marinas@....com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Arnd Bergmann <arnd@...db.de>,
	linux-wireless <linux-wireless@...r.kernel.org>,
	"brcm80211-dev-list@...adcom.com" <brcm80211-dev-list@...adcom.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Arend van Spriel <arend@...adcom.com>,
	David Miller <davem@...emloft.net>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: using DMA-API on ARM

On Fri, Dec 05, 2014 at 11:11:14AM +0000, Russell King - ARM Linux wrote:
> In any case, wouldn't using a u64 type for "address" be better - isn't
> "long long" 128-bit on 64-bit architectures?

No, it's still 64-bit. There is no 128-bit integer in the C standard.

-- 
Catalin
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