diff options
author | Takashi Iwai <tiwai@suse.de> | 2013-04-12 10:27:39 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2013-04-12 10:27:39 +0200 |
commit | 232a73dda2f2dba9002b727eb3ec76d82882b90c (patch) | |
tree | 308cdeea9bf18de71af79dcd5a30a8f2be9af6da /arch/arm/kernel/setup.c | |
parent | 889d66848b12d891248b03abcb2a42047f8e172a (diff) | |
parent | ca62bed0bbf9baf88d8bb404d72dee3b44ef057e (diff) |
Merge tag 'asoc-v3.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v3.9
A few updates, more than I'd like, fixing some relatively small issues
but mostly driver specific ones. Nothing wildly exciting so if it
doesn't make v3.9 it won't be the end of the world but it'd be nice.
Diffstat (limited to 'arch/arm/kernel/setup.c')
-rw-r--r-- | arch/arm/kernel/setup.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 3f6cbb2e3eda..d343a6c3a6d1 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -353,6 +353,23 @@ void __init early_print(const char *str, ...) printk("%s", buf); } +static void __init cpuid_init_hwcaps(void) +{ + unsigned int divide_instrs; + + if (cpu_architecture() < CPU_ARCH_ARMv7) + return; + + divide_instrs = (read_cpuid_ext(CPUID_EXT_ISAR0) & 0x0f000000) >> 24; + + switch (divide_instrs) { + case 2: + elf_hwcap |= HWCAP_IDIVA; + case 1: + elf_hwcap |= HWCAP_IDIVT; + } +} + static void __init feat_v6_fixup(void) { int id = read_cpuid_id(); @@ -483,8 +500,11 @@ static void __init setup_processor(void) snprintf(elf_platform, ELF_PLATFORM_SIZE, "%s%c", list->elf_name, ENDIANNESS); elf_hwcap = list->elf_hwcap; + + cpuid_init_hwcaps(); + #ifndef CONFIG_ARM_THUMB - elf_hwcap &= ~HWCAP_THUMB; + elf_hwcap &= ~(HWCAP_THUMB | HWCAP_IDIVT); #endif feat_v6_fixup(); @@ -524,7 +544,7 @@ int __init arm_add_memory(phys_addr_t start, phys_addr_t size) size -= start & ~PAGE_MASK; bank->start = PAGE_ALIGN(start); -#ifndef CONFIG_LPAE +#ifndef CONFIG_ARM_LPAE if (bank->start + size < bank->start) { printk(KERN_CRIT "Truncating memory at 0x%08llx to fit in " "32-bit physical address space\n", (long long)start); |