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Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/serial_sh.c2
-rw-r--r--drivers/serial/serial_sh.h5
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