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| author | Will Deacon <will.deacon@arm.com> | 2012-08-03 20:24:14 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-08-11 12:15:57 +0400 |
| commit | 3d9fb0038a9b02febb01efc79a4a5d97f1822a90 (patch) | |
| tree | ed969703896852d5f83a76e0fb05edb0eabe7692 /arch | |
| parent | f7e416eb923d0f9ff1e5e9b5c0e8b75ddd7db865 (diff) | |
| download | linux-3d9fb0038a9b02febb01efc79a4a5d97f1822a90.tar.xz | |
ARM: 7483/1: vfp: only advertise VFPv4 in hwcaps if CONFIG_VFPv3 is enabled
VFPv4 support depends on the VFPv3 context save/restore code, so only
advertise support in the hwcaps if the kernel can actually handle it.
Cc: <stable@vger.kernel.org> # 3.1+
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/vfp/vfpmodule.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index fb849d044bde..c834b32af275 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -719,8 +719,10 @@ static int __init vfp_init(void) if ((fmrx(MVFR1) & 0x000fff00) == 0x00011100) elf_hwcap |= HWCAP_NEON; #endif +#ifdef CONFIG_VFPv3 if ((fmrx(MVFR1) & 0xf0000000) == 0x10000000) elf_hwcap |= HWCAP_VFPv4; +#endif } } return 0; |