2 files changed, 22 insertions, 2 deletions

diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index e2c8bbffb0b1..f3ac13f69b7a 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();
@@ -483,6 +500,9 @@ 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 | HWCAP_IDIVT);
 #endif
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 3a3c015f8d5c..bcd3d48922fb 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -420,7 +420,7 @@ __v7_pj4b_proc_info:
 __v7_ca7mp_proc_info:
         .long   0x410fc070
         .long   0xff0ffff0
-        __v7_proc __v7_ca7mp_setup, hwcaps = HWCAP_IDIV
+        __v7_proc __v7_ca7mp_setup
         .size   __v7_ca7mp_proc_info, . - __v7_ca7mp_proc_info
 
         /*
@@ -430,7 +430,7 @@ __v7_ca7mp_proc_info:
 __v7_ca15mp_proc_info:
         .long   0x410fc0f0
         .long   0xff0ffff0
-        __v7_proc __v7_ca15mp_setup, hwcaps = HWCAP_IDIV
+        __v7_proc __v7_ca15mp_setup
         .size   __v7_ca15mp_proc_info, . - __v7_ca15mp_proc_info
 
         /*