From 3c02b107ec11e14ef21e7a444ad83f0ef1e68f79 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sun, 13 Jun 2010 20:41:55 +0200 Subject: [PATCH 1/2] compat: backport dma_set_coherent_mask Signed-off-by: Hauke Mehrtens --- include/linux/compat-2.6.34.h | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) --- 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 */