From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] arm64: Allow for different DMA and CPU bus offsets
Date: Wed, 18 May 2016 15:05:11 +0200 [thread overview]
Message-ID: <3627660.euTtGW2SrX@wuerfel> (raw)
In-Reply-To: <1463576010-115428-1-git-send-email-agraf@suse.de>
On Wednesday 18 May 2016 14:53:30 Alexander Graf wrote:
> On arm64, all SoCs we supported so far either have an IOMMU or have bus
> addresses equal to CPU addresses.
>
> However, with the Raspberry Pi 3 coming up, this is no longer true. To
> allow DMA to work with an AArch64 kernel on those devices, let's allow
> devices to have DMA offsets again.
>
> Signed-off-by: Alexander Graf <agraf@suse.de>
>
>
Acked-by: Arnd Bergmann <arnd@arndb.de>
next prev parent reply other threads:[~2016-05-18 13:05 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-18 12:53 [PATCH v2] arm64: Allow for different DMA and CPU bus offsets Alexander Graf
2016-05-18 13:05 ` Arnd Bergmann [this message]
2016-05-18 13:27 ` Catalin Marinas
2016-05-18 13:49 ` Alexander Graf
2016-05-18 14:26 ` Catalin Marinas
2016-05-18 14:34 ` Alexander Graf
2016-05-18 15:19 ` Catalin Marinas
2016-05-18 15:33 ` Alexander Graf
2016-05-18 16:08 ` Arnd Bergmann
2016-05-18 16:16 ` Alexander Graf
2016-05-18 17:18 ` Eric Anholt
2016-06-01 8:42 ` Catalin Marinas
2016-06-07 22:08 ` Eric Anholt
2016-05-18 18:59 ` Sinan Kaya
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