summaryrefslogtreecommitdiffstats
path: root/drivers/serial/sh-sci.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/serial/sh-sci.c')
-rw-r--r--drivers/serial/sh-sci.c40
1 files changed, 13 insertions, 27 deletions
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index f0658d2c45b..5c0f32c7fbf 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -250,8 +250,7 @@ static inline void h8300_sci_disable(struct uart_port *port)
}
#endif
-#if defined(SCI_ONLY) || defined(SCI_AND_SCIF) && \
- defined(__H8300H__) || defined(__H8300S__)
+#if defined(__H8300H__) || defined(__H8300S__)
static void sci_init_pins_sci(struct uart_port* port, unsigned int cflag)
{
int ch = (port->mapbase - SMR0) >> 3;
@@ -285,11 +284,6 @@ static void sci_init_pins_irda(struct uart_port *port, unsigned int cflag)
#define sci_init_pins_irda NULL
#endif
-#ifdef SCI_ONLY
-#define sci_init_pins_scif NULL
-#endif
-
-#if defined(SCIF_ONLY) || defined(SCI_AND_SCIF)
#if defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
static void sci_init_pins_scif(struct uart_port* port, unsigned int cflag)
{
@@ -449,7 +443,6 @@ static inline int scif_rxroom(struct uart_port *port)
return sci_in(port, SCFDR) & SCIF_RFDC_MASK;
}
#endif
-#endif /* SCIF_ONLY || SCI_AND_SCIF */
static inline int sci_txroom(struct uart_port *port)
{
@@ -485,11 +478,9 @@ static void sci_transmit_chars(struct uart_port *port)
return;
}
-#ifndef SCI_ONLY
if (port->type == PORT_SCIF)
count = scif_txroom(port);
else
-#endif
count = sci_txroom(port);
do {
@@ -519,12 +510,10 @@ static void sci_transmit_chars(struct uart_port *port)
} else {
ctrl = sci_in(port, SCSCR);
-#if !defined(SCI_ONLY)
if (port->type == PORT_SCIF) {
sci_in(port, SCxSR); /* Dummy read */
sci_out(port, SCxSR, SCxSR_TDxE_CLEAR(port));
}
-#endif
ctrl |= SCI_CTRL_FLAGS_TIE;
sci_out(port, SCSCR, ctrl);
@@ -547,11 +536,9 @@ static inline void sci_receive_chars(struct uart_port *port)
return;
while (1) {
-#if !defined(SCI_ONLY)
if (port->type == PORT_SCIF)
count = scif_rxroom(port);
else
-#endif
count = sci_rxroom(port);
/* Don't copy more bytes than there is room for in the buffer */
@@ -810,26 +797,27 @@ static irqreturn_t sci_br_interrupt(int irq, void *ptr)
static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr)
{
- unsigned short ssr_status, scr_status;
- struct uart_port *port = ptr;
+ unsigned short ssr_status, scr_status;
+ struct uart_port *port = ptr;
+ irqreturn_t ret = IRQ_NONE;
ssr_status = sci_in(port,SCxSR);
scr_status = sci_in(port,SCSCR);
/* Tx Interrupt */
- if ((ssr_status & 0x0020) && (scr_status & 0x0080))
- sci_tx_interrupt(irq, ptr);
+ if ((ssr_status & 0x0020) && (scr_status & SCI_CTRL_FLAGS_TIE))
+ ret = sci_tx_interrupt(irq, ptr);
/* Rx Interrupt */
- if ((ssr_status & 0x0002) && (scr_status & 0x0040))
- sci_rx_interrupt(irq, ptr);
+ if ((ssr_status & 0x0002) && (scr_status & SCI_CTRL_FLAGS_RIE))
+ ret = sci_rx_interrupt(irq, ptr);
/* Error Interrupt */
- if ((ssr_status & 0x0080) && (scr_status & 0x0400))
- sci_er_interrupt(irq, ptr);
+ if ((ssr_status & 0x0080) && (scr_status & SCI_CTRL_FLAGS_REIE))
+ ret = sci_er_interrupt(irq, ptr);
/* Break Interrupt */
- if ((ssr_status & 0x0010) && (scr_status & 0x0200))
- sci_br_interrupt(irq, ptr);
+ if ((ssr_status & 0x0010) && (scr_status & SCI_CTRL_FLAGS_REIE))
+ ret = sci_br_interrupt(irq, ptr);
- return IRQ_HANDLED;
+ return ret;
}
#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_HAVE_CLK)
@@ -1054,10 +1042,8 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
sci_out(port, SCSCR, 0x00); /* TE=0, RE=0, CKE1=0 */
-#if !defined(SCI_ONLY)
if (port->type == PORT_SCIF)
sci_out(port, SCFCR, SCFCR_RFRST | SCFCR_TFRST);
-#endif
smr_val = sci_in(port, SCSMR) & 3;
if ((termios->c_cflag & CSIZE) == CS7)