diff options
Diffstat (limited to 'arch/arm/kernel/thumbee.c')
| -rw-r--r-- | arch/arm/kernel/thumbee.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/arm/kernel/thumbee.c b/arch/arm/kernel/thumbee.c index df3f6b7ebce..7b8403b7666 100644 --- a/arch/arm/kernel/thumbee.c +++ b/arch/arm/kernel/thumbee.c @@ -20,12 +20,14 @@ #include <linux/kernel.h> #include <linux/init.h> +#include <asm/cputype.h> +#include <asm/system_info.h> #include <asm/thread_notify.h> /* * Access to the ThumbEE Handler Base register */ -static inline unsigned long teehbr_read() +static inline unsigned long teehbr_read(void) { unsigned long v; asm("mrc p14, 6, %0, c1, c0, 0\n" : "=r" (v)); @@ -66,8 +68,7 @@ static int __init thumbee_init(void) if (cpu_arch < CPU_ARCH_ARMv7) return 0; - /* processor feature register 0 */ - asm("mrc p15, 0, %0, c0, c1, 0\n" : "=r" (pfr0)); + pfr0 = read_cpuid_ext(CPUID_EXT_PFR0); if ((pfr0 & 0x0000f000) != 0x00001000) return 0; |