fix the broken annotations in fsldma

 a) every bitwise declaration will give a unique type; use typedefs.

 b) no need to bother with the stuff pointed to by iomem pointers,
    unless it's accessed directly.  noderef will force us to use helpers
    anyway.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/dma/fsldma.h b/drivers/dma/fsldma.h
index fddd6ae..6faf07b 100644 (file)
--- a/drivers/dma/fsldma.h
+++ b/drivers/dma/fsldma.h
@@ -75,12 +75,15 @@
 #define FSL_DMA_DGSR_EOSI      0x02
 #define FSL_DMA_DGSR_EOLSI     0x01
 
+typedef u64 __bitwise v64;
+typedef u32 __bitwise v32;
+
 struct fsl_dma_ld_hw {
-       u64 __bitwise   src_addr;
-       u64 __bitwise   dst_addr;
-       u64 __bitwise   next_ln_addr;
-       u32 __bitwise   count;
-       u32 __bitwise   reserve;
+       v64 src_addr;
+       v64 dst_addr;
+       v64 next_ln_addr;
+       v32 count;
+       v32 reserve;
 } __attribute__((aligned(32)));
 
 struct fsl_desc_sw {
@@ -92,13 +95,13 @@ struct fsl_desc_sw {
 } __attribute__((aligned(32)));
 
 struct fsl_dma_chan_regs {
-       u32 __bitwise   mr;     /* 0x00 - Mode Register */
-       u32 __bitwise   sr;     /* 0x04 - Status Register */
-       u64 __bitwise   cdar;   /* 0x08 - Current descriptor address register */
-       u64 __bitwise   sar;    /* 0x10 - Source Address Register */
-       u64 __bitwise   dar;    /* 0x18 - Destination Address Register */
-       u32 __bitwise   bcr;    /* 0x20 - Byte Count Register */
-       u64 __bitwise   ndar;   /* 0x24 - Next Descriptor Address Register */
+       u32 mr; /* 0x00 - Mode Register */
+       u32 sr; /* 0x04 - Status Register */
+       u64 cdar;       /* 0x08 - Current descriptor address register */
+       u64 sar;        /* 0x10 - Source Address Register */
+       u64 dar;        /* 0x18 - Destination Address Register */
+       u32 bcr;        /* 0x20 - Byte Count Register */
+       u64 ndar;       /* 0x24 - Next Descriptor Address Register */
 };
 
 struct fsl_dma_chan;
@@ -151,25 +154,27 @@ struct fsl_dma_chan {
 #ifndef __powerpc64__
 static u64 in_be64(const u64 __iomem *addr)
 {
-       return ((u64)in_be32((u32 *)addr) << 32) | (in_be32((u32 *)addr + 1));
+       return ((u64)in_be32((u32 __iomem *)addr) << 32) |
+               (in_be32((u32 __iomem *)addr + 1));
 }
 
 static void out_be64(u64 __iomem *addr, u64 val)
 {
-       out_be32((u32 *)addr, val >> 32);
-       out_be32((u32 *)addr + 1, (u32)val);
+       out_be32((u32 __iomem *)addr, val >> 32);
+       out_be32((u32 __iomem *)addr + 1, (u32)val);
 }
 
 /* There is no asm instructions for 64 bits reverse loads and stores */
 static u64 in_le64(const u64 __iomem *addr)
 {
-       return ((u64)in_le32((u32 *)addr + 1) << 32) | (in_le32((u32 *)addr));
+       return ((u64)in_le32((u32 __iomem *)addr + 1) << 32) |
+               (in_le32((u32 __iomem *)addr));
 }
 
 static void out_le64(u64 __iomem *addr, u64 val)
 {
-       out_le32((u32 *)addr + 1, val >> 32);
-       out_le32((u32 *)addr, (u32)val);
+       out_le32((u32 __iomem *)addr + 1, val >> 32);
+       out_le32((u32 __iomem *)addr, (u32)val);
 }
 #endif
 
@@ -182,9 +187,11 @@ static void out_le64(u64 __iomem *addr, u64 val)
 
 #define DMA_TO_CPU(fsl_chan, d, width)                                 \
                (((fsl_chan)->feature & FSL_DMA_BIG_ENDIAN) ?           \
-                       be##width##_to_cpu(d) : le##width##_to_cpu(d))
+                       be##width##_to_cpu((__force __be##width)(v##width)d) : \
+                       le##width##_to_cpu((__force __le##width)(v##width)d))
 #define CPU_TO_DMA(fsl_chan, c, width)                                 \
                (((fsl_chan)->feature & FSL_DMA_BIG_ENDIAN) ?           \
-                       cpu_to_be##width(c) : cpu_to_le##width(c))
+                       (__force v##width)cpu_to_be##width(c) :         \
+                       (__force v##width)cpu_to_le##width(c))
 
 #endif /* __DMA_FSLDMA_H */