diff options
Diffstat (limited to 'drivers/tty/hvc')
| -rw-r--r-- | drivers/tty/hvc/hvc_dcc.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/drivers/tty/hvc/hvc_dcc.c b/drivers/tty/hvc/hvc_dcc.c index ad23cc8082a..435f6facbc2 100644 --- a/drivers/tty/hvc/hvc_dcc.c +++ b/drivers/tty/hvc/hvc_dcc.c @@ -40,19 +40,6 @@ static inline u32 __dcc_getstatus(void) } -#if defined(CONFIG_CPU_V7) -static inline char __dcc_getchar(void) -{ - char __c; - - asm volatile("get_wait: mrc p14, 0, pc, c0, c1, 0 \n\ - bne get_wait \n\ - mrc p14, 0, %0, c0, c5, 0 @ read comms data reg" - : "=r" (__c) : : "cc"); - - return __c; -} -#else static inline char __dcc_getchar(void) { char __c; @@ -62,24 +49,13 @@ static inline char __dcc_getchar(void) return __c; } -#endif -#if defined(CONFIG_CPU_V7) -static inline void __dcc_putchar(char c) -{ - asm volatile("put_wait: mrc p14, 0, pc, c0, c1, 0 \n\ - bcs put_wait \n\ - mcr p14, 0, %0, c0, c5, 0 " - : : "r" (c) : "cc"); -} -#else static inline void __dcc_putchar(char c) { asm volatile("mcr p14, 0, %0, c0, c5, 0 @ write a char" : /* no output register */ : "r" (c)); } -#endif static int hvc_dcc_put_chars(uint32_t vt, const char *buf, int count) { |