From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joerg Roedel Subject: Re: [PATCH v6 2/3] arm64: Add IOMMU dma_ops Date: Wed, 14 Oct 2015 13:47:48 +0200 Message-ID: <20151014114748.GL27420@8bytes.org> References: <80cb035144a2648a5d94eb1fec3336f17ad249f1.1443718557.git.robin.murphy@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <80cb035144a2648a5d94eb1fec3336f17ad249f1.1443718557.git.robin.murphy-5wv7dgnIgG8@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Robin Murphy Cc: laurent.pinchart+renesas-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org, catalin.marinas-5wv7dgnIgG8@public.gmane.org, will.deacon-5wv7dgnIgG8@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, djkurtz-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, thunder.leizhen-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, yingjoe.chen-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org List-Id: iommu@lists.linux-foundation.org On Thu, Oct 01, 2015 at 08:13:59PM +0100, Robin Murphy wrote: > Taking some inspiration from the arch/arm code, implement the > arch-specific side of the DMA mapping ops using the new IOMMU-DMA layer. > > Since there is still work to do elsewhere to make DMA configuration happen > in a more appropriate order and properly support platform devices in the > IOMMU core, the device setup code unfortunately starts out carrying some > workarounds to ensure it works correctly in the current state of things. > > Signed-off-by: Robin Murphy > --- > arch/arm64/mm/dma-mapping.c | 435 ++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 435 insertions(+) This needs an ack from the arm64 maintainers.