linux-kernel - [PATCH 13/44] openrisc: remove DMA_ERROR

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Message-Id: <20170608132609.32662-14-hch@lst.de>
Date:   Thu,  8 Jun 2017 15:25:38 +0200
From:   Christoph Hellwig <hch@....de>
To:     x86@...nel.org, linux-arm-kernel@...ts.infradead.org,
        xen-devel@...ts.xenproject.org, linux-c6x-dev@...ux-c6x.org,
        linux-hexagon@...r.kernel.org, linux-ia64@...r.kernel.org,
        linux-mips@...ux-mips.org, openrisc@...ts.librecores.org,
        linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org,
        linux-sh@...r.kernel.org, sparclinux@...r.kernel.org,
        linux-xtensa@...ux-xtensa.org, dmaengine@...r.kernel.org,
        linux-tegra@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-samsung-soc@...r.kernel.org,
        iommu@...ts.linux-foundation.org, netdev@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH 13/44] openrisc: remove DMA_ERROR_CODE

openrisc does not return errors for dma_map_page.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 arch/openrisc/include/asm/dma-mapping.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/openrisc/include/asm/dma-mapping.h b/arch/openrisc/include/asm/dma-mapping.h
index 0c0075f17145..a4ea139c2ef9 100644
--- a/arch/openrisc/include/asm/dma-mapping.h
+++ b/arch/openrisc/include/asm/dma-mapping.h
@@ -26,8 +26,6 @@
 #include <linux/kmemcheck.h>
 #include <linux/dma-mapping.h>
 
-#define DMA_ERROR_CODE		(~(dma_addr_t)0x0)
-
 extern const struct dma_map_ops or1k_dma_map_ops;
 
 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
-- 
2.11.0