diff options
author | David Woodhouse <David.Woodhouse@intel.com> | 2010-10-30 12:35:11 +0100 |
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committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-10-30 12:35:11 +0100 |
commit | 67577927e8d7a1f4b09b4992df640eadc6aacb36 (patch) | |
tree | 2e9efe6b5745965faf0dcc084d4613d9356263f9 /arch/arm/mach-mx5/cpu.c | |
parent | 6fe4c590313133ebd5dadb769031489ff178ece1 (diff) | |
parent | 51f00a471ce8f359627dd99aeac322947a0e491b (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Conflicts:
drivers/mtd/mtd_blkdevs.c
Merge Grant's device-tree bits so that we can apply the subsequent fixes.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'arch/arm/mach-mx5/cpu.c')
-rw-r--r-- | arch/arm/mach-mx5/cpu.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c index 2d37785e385..eaacb6e9b5d 100644 --- a/arch/arm/mach-mx5/cpu.c +++ b/arch/arm/mach-mx5/cpu.c @@ -70,6 +70,25 @@ int mx51_revision(void) } EXPORT_SYMBOL(mx51_revision); +#ifdef CONFIG_NEON + +/* + * All versions of the silicon before Rev. 3 have broken NEON implementations. + * Dependent on link order - so the assumption is that vfp_init is called + * before us. + */ +static int __init mx51_neon_fixup(void) +{ + if (mx51_revision() < MX51_CHIP_REV_3_0 && (elf_hwcap & HWCAP_NEON)) { + elf_hwcap &= ~HWCAP_NEON; + pr_info("Turning off NEON support, detected broken NEON implementation\n"); + } + return 0; +} + +late_initcall(mx51_neon_fixup); +#endif + static int __init post_cpu_init(void) { unsigned int reg; |