Merge master.kernel.org:/home/rmk/linux-2.6-arm

* master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] vfp: fix fuitod/fsitod instructions
  [ARM] pxa: silence warnings from cpu_is_xxx() macros

4 files changed, 34 insertions, 19 deletions

diff --git a/arch/arm/vfp/vfp.h b/arch/arm/vfp/vfp.h
index 54a2ad6d9ca2..791d0238c68f 100644
--- a/arch/arm/vfp/vfp.h
+++ b/arch/arm/vfp/vfp.h
@@ -361,10 +361,12 @@ u32 vfp_estimate_sqrt_significand(u32 exponent, u32 significand);
  *  OP_SCALAR - this operation always operates in scalar mode
  *  OP_SD - the instruction exceptionally writes to a single precision result.
  *  OP_DD - the instruction exceptionally writes to a double precision result.
+ *  OP_SM - the instruction exceptionally reads from a single precision operand.
  */
 #define OP_SCALAR       (1 << 0)
 #define OP_SD           (1 << 1)
 #define OP_DD           (1 << 1)
+#define OP_SM           (1 << 2)
 
 struct op {
         u32 (* const fn)(int dd, int dn, int dm, u32 fpscr);
diff --git a/arch/arm/vfp/vfpdouble.c b/arch/arm/vfp/vfpdouble.c
index 190a09ad18eb..6cac43bd1d86 100644
--- a/arch/arm/vfp/vfpdouble.c
+++ b/arch/arm/vfp/vfpdouble.c
@@ -668,8 +668,8 @@ static struct op fops_ext[32] = {
         [FEXT_TO_IDX(FEXT_FCMPZ)]       = { vfp_double_fcmpz,  OP_SCALAR },
         [FEXT_TO_IDX(FEXT_FCMPEZ)]      = { vfp_double_fcmpez, OP_SCALAR },
         [FEXT_TO_IDX(FEXT_FCVT)]        = { vfp_double_fcvts,  OP_SCALAR|OP_SD },
-        [FEXT_TO_IDX(FEXT_FUITO)]       = { vfp_double_fuito,  OP_SCALAR },
-        [FEXT_TO_IDX(FEXT_FSITO)]       = { vfp_double_fsito,  OP_SCALAR },
+        [FEXT_TO_IDX(FEXT_FUITO)]       = { vfp_double_fuito,  OP_SCALAR|OP_SM },
+        [FEXT_TO_IDX(FEXT_FSITO)]       = { vfp_double_fsito,  OP_SCALAR|OP_SM },
         [FEXT_TO_IDX(FEXT_FTOUI)]       = { vfp_double_ftoui,  OP_SCALAR|OP_SD },
         [FEXT_TO_IDX(FEXT_FTOUIZ)]      = { vfp_double_ftouiz, OP_SCALAR|OP_SD },
         [FEXT_TO_IDX(FEXT_FTOSI)]       = { vfp_double_ftosi,  OP_SCALAR|OP_SD },
@@ -1128,7 +1128,7 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr)
         u32 exceptions = 0;
         unsigned int dest;
         unsigned int dn = vfp_get_dn(inst);
-        unsigned int dm = vfp_get_dm(inst);
+        unsigned int dm;
         unsigned int vecitr, veclen, vecstride;
         struct op *fop;
 
@@ -1146,6 +1146,14 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr)
                 dest = vfp_get_dd(inst);
 
         /*
+         * f[us]ito takes a sN operand, not a dN operand.
+         */
+        if (fop->flags & OP_SM)
+                dm = vfp_get_sm(inst);
+        else
+                dm = vfp_get_dm(inst);
+
+        /*
          * If destination bank is zero, vector length is always '1'.
          * ARM DDI0100F C5.1.3, C5.3.2.
          */
diff --git a/include/asm-arm/arch-pxa/hardware.h b/include/asm-arm/arch-pxa/hardware.h
index ab2d963e742a..e25558faa5a4 100644
--- a/include/asm-arm/arch-pxa/hardware.h
+++ b/include/asm-arm/arch-pxa/hardware.h
@@ -121,38 +121,32 @@
 
 #define cpu_is_pxa21x()                                 \
         ({                                              \
-                unsigned int id = read_cpuid(CPUID_ID); \
-                __cpu_is_pxa21x(id);                    \
+                __cpu_is_pxa21x(read_cpuid_id());       \
         })
 
 #define cpu_is_pxa25x()                                 \
         ({                                              \
-                unsigned int id = read_cpuid(CPUID_ID); \
-                __cpu_is_pxa25x(id);                    \
+                __cpu_is_pxa25x(read_cpuid_id());       \
         })
 
 #define cpu_is_pxa27x()                                 \
         ({                                              \
-                unsigned int id = read_cpuid(CPUID_ID); \
-                __cpu_is_pxa27x(id);                    \
+                __cpu_is_pxa27x(read_cpuid_id());       \
         })
 
 #define cpu_is_pxa300()                                 \
         ({                                              \
-                unsigned int id = read_cpuid(CPUID_ID); \
-                __cpu_is_pxa300(id);                    \
+                __cpu_is_pxa300(read_cpuid_id());       \
          })
 
 #define cpu_is_pxa310()                                 \
         ({                                              \
-                unsigned int id = read_cpuid(CPUID_ID); \
-                __cpu_is_pxa310(id);                    \
+                __cpu_is_pxa310(read_cpuid_id());       \
          })
 
 #define cpu_is_pxa320()                                 \
         ({                                              \
-                unsigned int id = read_cpuid(CPUID_ID); \
-                __cpu_is_pxa320(id);                    \
+                __cpu_is_pxa320(read_cpuid_id());       \
          })
 
 /*
@@ -174,14 +168,12 @@
 
 #define cpu_is_pxa2xx()                                 \
         ({                                              \
-                unsigned int id = read_cpuid(CPUID_ID); \
-                __cpu_is_pxa2xx(id);                    \
+                __cpu_is_pxa2xx(read_cpuid_id());       \
          })
 
 #define cpu_is_pxa3xx()                                 \
         ({                                              \
-                unsigned int id = read_cpuid(CPUID_ID); \
-                __cpu_is_pxa3xx(id);                    \
+                __cpu_is_pxa3xx(read_cpuid_id());       \
          })
 
 /*
diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h
index 94ea8c6dc1a4..28425c473e71 100644
--- a/include/asm-arm/system.h
+++ b/include/asm-arm/system.h
@@ -75,8 +75,21 @@
 #ifndef __ASSEMBLY__
 
 #include <linux/linkage.h>
+#include <linux/stringify.h>
 #include <linux/irqflags.h>
 
+/*
+ * The CPU ID never changes at run time, so we might as well tell the
+ * compiler that it's constant.  Use this function to read the CPU ID
+ * rather than directly reading processor_id or read_cpuid() directly.
+ */
+static inline unsigned int read_cpuid_id(void) __attribute_const__;
+
+static inline unsigned int read_cpuid_id(void)
+{
+        return read_cpuid(CPUID_ID);
+}
+
 #define __exception     __attribute__((section(".exception.text")))
 
 struct thread_info;