diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/serial_sh.c | 2 | ||||
| -rw-r--r-- | drivers/serial/serial_sh.h | 5 |
2 files changed, 4 insertions, 3 deletions
diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c index 3641c9f834..8693c1ed14 100644 --- a/drivers/serial/serial_sh.c +++ b/drivers/serial/serial_sh.c @@ -69,7 +69,7 @@ sh_serial_setbrg_generic(struct uart_port *port, int clk, int baudrate) if (port->clk_mode == EXT_CLK) { unsigned short dl = DL_VALUE(baudrate, clk); sci_out(port, DL, dl); - /* Need wait: Clock * 1/dl × 1/16 */ + /* Need wait: Clock * 1/dl * 1/16 */ udelay((1000000 * dl * 16 / clk) * 1000 + 1); } else { sci_out(port, SCBRR, SCBRR_VALUE(baudrate, clk)); diff --git a/drivers/serial/serial_sh.h b/drivers/serial/serial_sh.h index 528aa7351d..941e6eda4c 100644 --- a/drivers/serial/serial_sh.h +++ b/drivers/serial/serial_sh.h @@ -227,7 +227,8 @@ struct uart_port { #elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \ defined(CONFIG_R8A7793) || defined(CONFIG_R8A7794) # define SCIF_ORER 0x0001 -# define SCSCR_INIT(port) 0x32 /* TIE=0,RIE=0,TE=1,RE=1,REIE=0, */ +# define SCSCR_INIT(port) (port->clk_mode == EXT_CLK ? 0x32 : 0x30) + /* TIE=0,RIE=0,TE=1,RE=1,REIE=0, */ #else # error CPU subtype not defined #endif @@ -742,7 +743,7 @@ static inline int scbrr_calc(struct uart_port *port, int bps, int clk) #elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \ defined(CONFIG_R8A7793) || defined(CONFIG_R8A7794) #define DL_VALUE(bps, clk) (clk / bps / 16) /* External Clock */ -#define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1) /* Internal Clock */ +#define SCBRR_VALUE(bps, clk) (clk / bps / 32 - 1) /* Internal Clock */ #else /* Generic SH */ #define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1) #endif |