diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/sh-sci.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h index 511c10d4218..7cd28b22680 100644 --- a/drivers/serial/sh-sci.h +++ b/drivers/serial/sh-sci.h @@ -789,7 +789,14 @@ static inline int sci_rxd_in(struct uart_port *port) defined(CONFIG_CPU_SUBTYPE_SH7721) #define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(32*bps)-1) #elif defined(CONFIG_CPU_SUBTYPE_SH7723) -#define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(16*bps)-1) +static inline int scbrr_calc(struct uart_port *port, int bps, int clk) +{ + if (port->type == PORT_SCIF) + return (clk+16*bps)/(32*bps)-1; + else + return ((clk*2)+16*bps)/(16*bps)-1; +} +#define SCBRR_VALUE(bps, clk) scbrr_calc(port, bps, clk) #elif defined(__H8300H__) || defined(__H8300S__) #define SCBRR_VALUE(bps, clk) (((clk*1000/32)/bps)-1) #else /* Generic SH */ |