diff options
| -rw-r--r-- | arch/sh/include/asm/system.h | 2 | ||||
| -rw-r--r-- | drivers/serial/serial_sh.c | 20 | ||||
| -rw-r--r-- | include/linux/byteorder/swab.h | 2 |
3 files changed, 14 insertions, 10 deletions
diff --git a/arch/sh/include/asm/system.h b/arch/sh/include/asm/system.h index 56fd77ace..24b5ce8e3 100644 --- a/arch/sh/include/asm/system.h +++ b/arch/sh/include/asm/system.h @@ -274,8 +274,8 @@ void enable_hlt(void); static inline void trigger_address_error(void) { + set_bl_bit(); __asm__ __volatile__ ( - "ldc %0, sr\n\t" "mov.l @%1, %0" : : "r" (0x10000000), "r" (0x80000001) diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c index 3c931d021..ee1f2d768 100644 --- a/drivers/serial/serial_sh.c +++ b/drivers/serial/serial_sh.c @@ -117,6 +117,14 @@ static int serial_rx_fifo_level(void) return scif_rxfill(&sh_sci); } +static void handle_error(void) +{ + sci_in(&sh_sci, SCxSR); + sci_out(&sh_sci, SCxSR, SCxSR_ERROR_CLEAR(&sh_sci)); + sci_in(&sh_sci, SCLSR); + sci_out(&sh_sci, SCLSR, 0x00); +} + void serial_raw_putc(const char c) { while (1) { @@ -138,16 +146,14 @@ static void sh_serial_putc(const char c) static int sh_serial_tstc(void) { + if (sci_in(&sh_sci, SCxSR) & SCIF_ERRORS) { + handle_error(); + return 0; + } + return serial_rx_fifo_level() ? 1 : 0; } -void handle_error(void) -{ - sci_in(&sh_sci, SCxSR); - sci_out(&sh_sci, SCxSR, SCxSR_ERROR_CLEAR(&sh_sci)); - sci_in(&sh_sci, SCLSR); - sci_out(&sh_sci, SCLSR, 0x00); -} int serial_getc_check(void) { diff --git a/include/linux/byteorder/swab.h b/include/linux/byteorder/swab.h index bb4a04693..4334fa77e 100644 --- a/include/linux/byteorder/swab.h +++ b/include/linux/byteorder/swab.h @@ -122,7 +122,6 @@ static __inline__ void __swab32s(__u32 *addr) __arch__swab32s(addr); } -#ifdef __BYTEORDER_HAS_U64__ static __inline__ __attribute__((const)) __u64 __fswab64(__u64 x) { # ifdef __SWAB_64_THRU_32__ @@ -141,7 +140,6 @@ static __inline__ void __swab64s(__u64 *addr) { __arch__swab64s(addr); } -#endif /* __BYTEORDER_HAS_U64__ */ #if defined(__KERNEL__) #define swab16 __swab16 |