From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sun, 13 Jun 2010 19:56:48 +0000 (+0200)
Subject: compat: backport dma_set_coherent_mask
X-Git-Tag: v2.6.37-rc1-1~45
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=1dbb46812477103bf30f415f0d6ff2d27da7924e;p=~emulex%2Ffor-vlad%2Fcompat.git

compat: backport dma_set_coherent_mask

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---

diff --git a/include/linux/compat-2.6.34.h b/include/linux/compat-2.6.34.h
index b1c15a7..336c61b 100644
--- a/include/linux/compat-2.6.34.h
+++ b/include/linux/compat-2.6.34.h
@@ -216,6 +216,14 @@ do {							\
 #define dma_unmap_len_set(PTR, LEN_NAME, VAL)    do { } while (0)
 #endif
 
+static inline int dma_set_coherent_mask(struct device *dev, u64 mask)
+{
+	if (!dma_supported(dev, mask))
+		return -EIO;
+	dev->coherent_dma_mask = mask;
+	return 0;
+}
+
 #endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,34)) */
 
 #endif /* LINUX_26_34_COMPAT_H */