From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Tue, 4 Aug 2009 19:08:24 +0000 (+0000)
Subject: dma: Add set_dma_mask hook to struct dma_map_ops
X-Git-Tag: v2.6.32-rc1~675^2~37
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f726f30e32305a34a203ff975e60885aa7556c6a;p=thirdparty%2Fkernel%2Fstable.git

dma: Add set_dma_mask hook to struct dma_map_ops

POWERPC needs this hook. SPARC could use it too.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Becky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index c0f6c3cd788c6..91b7618460614 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -58,6 +58,7 @@ struct dma_map_ops {
 				   enum dma_data_direction dir);
 	int (*mapping_error)(struct device *dev, dma_addr_t dma_addr);
 	int (*dma_supported)(struct device *dev, u64 mask);
+	int (*set_dma_mask)(struct device *dev, u64 mask);
 	int is_phys;
 };