summaryrefslogtreecommitdiffstats
path: root/arch/arm/vfp
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/vfp')
-rw-r--r--arch/arm/vfp/vfphw.S2
-rw-r--r--arch/arm/vfp/vfpmodule.c10
2 files changed, 8 insertions, 4 deletions
diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S
index 66dc2d03b7fc..d66cead97d28 100644
--- a/arch/arm/vfp/vfphw.S
+++ b/arch/arm/vfp/vfphw.S
@@ -277,7 +277,7 @@ ENTRY(vfp_put_double)
#ifdef CONFIG_VFPv3
@ d16 - d31 registers
.irp dr,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
-1: mcrr p11, 3, r1, r2, c\dr @ fmdrr r1, r2, d\dr
+1: mcrr p11, 3, r0, r1, c\dr @ fmdrr r0, r1, d\dr
mov pc, lr
.org 1b + 8
.endr
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index 315a540c7ce5..8063a322c790 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -15,6 +15,7 @@
#include <linux/sched.h>
#include <linux/init.h>
+#include <asm/cputype.h>
#include <asm/thread_notify.h>
#include <asm/vfp.h>
@@ -549,10 +550,13 @@ static int __init vfp_init(void)
/*
* Check for the presence of the Advanced SIMD
* load/store instructions, integer and single
- * precision floating point operations.
+ * precision floating point operations. Only check
+ * for NEON if the hardware has the MVFR registers.
*/
- if ((fmrx(MVFR1) & 0x000fff00) == 0x00011100)
- elf_hwcap |= HWCAP_NEON;
+ if ((read_cpuid_id() & 0x000f0000) == 0x000f0000) {
+ if ((fmrx(MVFR1) & 0x000fff00) == 0x00011100)
+ elf_hwcap |= HWCAP_NEON;
+ }
#endif
}
return 0;