Re: [PATCH 20/44] sparc: implement ->mapping_error

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To: hch@xxxxxx
Subject: Re: [PATCH 20/44] sparc: implement ->mapping_error
From: David Miller <davem@xxxxxxxxxxxxx>
Date: Thu, 08 Jun 2017 10:24:29 -0400 (EDT)
Cc: x86@xxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-c6x-dev@xxxxxxxxxxxxx, linux-hexagon@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxx, openrisc@xxxxxxxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, linux-xtensa@xxxxxxxxxxxxxxxx, dmaengine@xxxxxxxxxxxxxxx, linux-tegra@xxxxxxxxxxxxxxx, dri-devel@xxxxxxxxxxxxxxxxxxxxx, linux-samsung-soc@xxxxxxxxxxxxxxx, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20170608132609.32662-21-hch@lst.de>
References: <20170608132609.32662-1-hch@lst.de> <20170608132609.32662-21-hch@lst.de>

From: Christoph Hellwig <hch@xxxxxx>
Date: Thu,  8 Jun 2017 15:25:45 +0200

> DMA_ERROR_CODE is going to go away, so don't rely on it.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>

References:
- clean up and modularize arch dma_mapping interface
  - From: Christoph Hellwig
- [PATCH 20/44] sparc: implement ->mapping_error
  - From: Christoph Hellwig

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