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-rw-r--r--drivers/serial/21285.c14
-rw-r--r--drivers/serial/8250.c32
-rw-r--r--drivers/serial/amba-pl010.c14
-rw-r--r--drivers/serial/amba-pl011.c14
-rw-r--r--drivers/serial/clps711x.c5
-rw-r--r--drivers/serial/pxa.c16
-rw-r--r--drivers/serial/s3c2410.c15
-rw-r--r--drivers/serial/sa1100.c5
-rw-r--r--drivers/serial/serial_cs.c4
-rw-r--r--drivers/serial/serial_lh7a40x.c13
-rw-r--r--drivers/serial/serial_txx9.c15
-rw-r--r--drivers/serial/sunsab.c109
-rw-r--r--drivers/serial/sunsab.h1
-rw-r--r--drivers/serial/vr41xx_siu.c6
14 files changed, 108 insertions, 155 deletions
diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c
index 33fbda79f35..0b10169961e 100644
--- a/drivers/serial/21285.c
+++ b/drivers/serial/21285.c
@@ -126,18 +126,8 @@ static irqreturn_t serial21285_rx_chars(int irq, void *dev_id, struct pt_regs *r
flag = TTY_FRAME;
}
- if ((rxs & port->ignore_status_mask) == 0) {
- tty_insert_flip_char(tty, ch, flag);
- }
- if ((rxs & RXSTAT_OVERRUN) &&
- tty->flip.count < TTY_FLIPBUF_SIZE) {
- /*
- * Overrun is special, since it's reported
- * immediately, and doesn't affect the current
- * character.
- */
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
- }
+ uart_insert_char(port, rxs, RXSTAT_OVERRUN, ch, flag);
+
status = *CSR_UARTFLG;
}
tty_flip_buffer_push(tty);
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 0d9358608fd..30e8beb7143 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -682,8 +682,6 @@ static void autoconfig_16550a(struct uart_8250_port *up)
* from EXCR1. Switch back to bank 0, change it in MCR. Then
* switch back to bank 2, read it from EXCR1 again and check
* it's changed. If so, set baud_base in EXCR2 to 921600. -- dwmw2
- * On PowerPC we don't want to change baud_base, as we have
- * a number of different divisors. -- Tom Rini
*/
serial_outp(up, UART_LCR, 0);
status1 = serial_in(up, UART_MCR);
@@ -699,16 +697,25 @@ static void autoconfig_16550a(struct uart_8250_port *up)
serial_outp(up, UART_MCR, status1);
if ((status2 ^ status1) & UART_MCR_LOOP) {
-#ifndef CONFIG_PPC
+ unsigned short quot;
+
serial_outp(up, UART_LCR, 0xE0);
+
+ quot = serial_inp(up, UART_DLM) << 8;
+ quot += serial_inp(up, UART_DLL);
+ quot <<= 3;
+
status1 = serial_in(up, 0x04); /* EXCR1 */
status1 &= ~0xB0; /* Disable LOCK, mask out PRESL[01] */
status1 |= 0x10; /* 1.625 divisor for baud_base --> 921600 */
serial_outp(up, 0x04, status1);
+
+ serial_outp(up, UART_DLL, quot & 0xff);
+ serial_outp(up, UART_DLM, quot >> 8);
+
serial_outp(up, UART_LCR, 0);
- up->port.uartclk = 921600*16;
-#endif
+ up->port.uartclk = 921600*16;
up->port.type = PORT_NS16550A;
up->capabilities |= UART_NATSEMI;
return;
@@ -1122,18 +1129,9 @@ receive_chars(struct uart_8250_port *up, int *status, struct pt_regs *regs)
}
if (uart_handle_sysrq_char(&up->port, ch, regs))
goto ignore_char;
- if ((lsr & up->port.ignore_status_mask) == 0) {
- tty_insert_flip_char(tty, ch, flag);
- }
- if ((lsr & UART_LSR_OE) &&
- tty->flip.count < TTY_FLIPBUF_SIZE) {
- /*
- * Overrun is special, since it's reported
- * immediately, and doesn't affect the current
- * character.
- */
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
- }
+
+ uart_insert_char(&up->port, lsr, UART_LSR_OE, ch, flag);
+
ignore_char:
lsr = serial_inp(up, UART_LSR);
} while ((lsr & UART_LSR_DR) && (max_count-- > 0));
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index f2a5e2933c4..2884b310e54 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -198,18 +198,8 @@ pl010_rx_chars(struct uart_port *port)
if (uart_handle_sysrq_char(port, ch, regs))
goto ignore_char;
- if ((rsr & port->ignore_status_mask) == 0) {
- tty_insert_flip_char(tty, ch, flag);
- }
- if ((rsr & UART01x_RSR_OE) &&
- tty->flip.count < TTY_FLIPBUF_SIZE) {
- /*
- * Overrun is special, since it's reported
- * immediately, and doesn't affect the current
- * character
- */
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
- }
+ uart_insert_char(port, rsr, UART01x_RSR_OE, ch, flag);
+
ignore_char:
status = UART_GET_FR(port);
}
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index d5cbef3fe8b..7db88ee18f7 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -163,18 +163,8 @@ pl011_rx_chars(struct uart_amba_port *uap)
if (uart_handle_sysrq_char(&uap->port, ch, regs))
goto ignore_char;
- if ((rsr & uap->port.ignore_status_mask) == 0) {
- tty_insert_flip_char(tty, ch, flag);
- }
- if ((rsr & UART01x_RSR_OE) &&
- tty->flip.count < TTY_FLIPBUF_SIZE) {
- /*
- * Overrun is special, since it's reported
- * immediately, and doesn't affect the current
- * character
- */
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
- }
+ uart_insert_char(&uap->port, rsr, UART01x_RSR_OE, ch, flag);
+
ignore_char:
status = readw(uap->port.membase + UART01x_FR);
}
diff --git a/drivers/serial/clps711x.c b/drivers/serial/clps711x.c
index 6242f3090a9..e92522b33c4 100644
--- a/drivers/serial/clps711x.c
+++ b/drivers/serial/clps711x.c
@@ -143,10 +143,7 @@ static irqreturn_t clps711xuart_int_rx(int irq, void *dev_id, struct pt_regs *re
* CHECK: does overrun affect the current character?
* ASSUMPTION: it does not.
*/
- if ((ch & port->ignore_status_mask & ~RXSTAT_OVERRUN) == 0)
- tty_insert_flip_char(tty, ch, flg);
- if ((ch & ~port->ignore_status_mask & RXSTAT_OVERRUN) == 0)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ uart_insert_char(port, ch, UARTDR_OVERR, ch, flg);
ignore_char:
status = clps_readl(SYSFLG(port));
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index 51d8a49f447..9dc151d8fa6 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -161,20 +161,12 @@ receive_chars(struct uart_pxa_port *up, int *status, struct pt_regs *regs)
else if (*status & UART_LSR_FE)
flag = TTY_FRAME;
}
+
if (uart_handle_sysrq_char(&up->port, ch, regs))
goto ignore_char;
- if ((*status & up->port.ignore_status_mask) == 0) {
- tty_insert_flip_char(tty, ch, flag);
- }
- if ((*status & UART_LSR_OE) &&
- tty->flip.count < TTY_FLIPBUF_SIZE) {
- /*
- * Overrun is special, since it's reported
- * immediately, and doesn't affect the current
- * character.
- */
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
- }
+
+ uart_insert_char(&up->port, *status, UART_LSR_OE, ch, flag);
+
ignore_char:
*status = serial_in(up, UART_LSR);
} while ((*status & UART_LSR_DR) && (max_count-- > 0));
diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c
index 435750d40a4..2a9f7ade2c9 100644
--- a/drivers/serial/s3c2410.c
+++ b/drivers/serial/s3c2410.c
@@ -394,20 +394,7 @@ s3c24xx_serial_rx_chars(int irq, void *dev_id, struct pt_regs *regs)
if (uart_handle_sysrq_char(port, ch, regs))
goto ignore_char;
- if ((uerstat & port->ignore_status_mask) == 0) {
- tty_insert_flip_char(tty, ch, flag);
- }
-
- if ((uerstat & S3C2410_UERSTAT_OVERRUN) &&
- tty->flip.count < TTY_FLIPBUF_SIZE) {
- /*
- * Overrun is special, since it's reported
- * immediately, and doesn't affect the current
- * character.
- */
-
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
- }
+ uart_insert_char(port, uerstat, S3C2410_UERSTAT_OVERRUN, ch, flag);
ignore_char:
continue;
diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c
index 157218bc6c6..22565a67a57 100644
--- a/drivers/serial/sa1100.c
+++ b/drivers/serial/sa1100.c
@@ -237,10 +237,7 @@ sa1100_rx_chars(struct sa1100_port *sport, struct pt_regs *regs)
if (uart_handle_sysrq_char(&sport->port, ch, regs))
goto ignore_char;
- if ((status & port->ignore_status_mask & ~UTSR1_TO_SM(UTSR1_ROR)) == 0)
- tty_insert_flip_char(tty, ch, flg);
- if (status & ~port->ignore_status_mask & UTSR1_TO_SM(UTSR1_ROR))
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ uart_insert_char(&sport->port, status, UTSR1_TO_SM(UTSR1_ROR), ch, flg);
ignore_char:
status = UTSR1_TO_SM(UART_GET_UTSR1(sport)) |
diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c
index 6eeb48f6a48..0d7b65f93e8 100644
--- a/drivers/serial/serial_cs.c
+++ b/drivers/serial/serial_cs.c
@@ -661,10 +661,10 @@ void serial_config(dev_link_t * link)
/* Is this a multiport card? */
tuple->DesiredTuple = CISTPL_MANFID;
if (first_tuple(handle, tuple, parse) == CS_SUCCESS) {
- info->manfid = le16_to_cpu(buf[0]);
+ info->manfid = parse->manfid.manf;
for (i = 0; i < MULTI_COUNT; i++)
if ((info->manfid == multi_id[i].manfid) &&
- (le16_to_cpu(buf[1]) == multi_id[i].prodid))
+ (parse->manfid.card == multi_id[i].prodid))
break;
if (i < MULTI_COUNT)
info->multi = multi_id[i].multi;
diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c
index 85cfa08d3ba..56f269b6bfb 100644
--- a/drivers/serial/serial_lh7a40x.c
+++ b/drivers/serial/serial_lh7a40x.c
@@ -190,18 +190,7 @@ lh7a40xuart_rx_chars (struct uart_port* port)
if (uart_handle_sysrq_char (port, (unsigned char) data, regs))
continue;
- if ((data & port->ignore_status_mask) == 0) {
- tty_insert_flip_char(tty, data, flag);
- }
- if ((data & RxOverrunError)
- && tty->flip.count < TTY_FLIPBUF_SIZE) {
- /*
- * Overrun is special, since it's reported
- * immediately, and doesn't affect the current
- * character
- */
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
- }
+ uart_insert_char(port, data, RxOverrunError, data, flag);
}
tty_flip_buffer_push (tty);
return;
diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c
index 37b2ef297cb..3f1051a4a13 100644
--- a/drivers/serial/serial_txx9.c
+++ b/drivers/serial/serial_txx9.c
@@ -350,18 +350,9 @@ receive_chars(struct uart_txx9_port *up, unsigned int *status, struct pt_regs *r
}
if (uart_handle_sysrq_char(&up->port, ch, regs))
goto ignore_char;
- if ((disr & up->port.ignore_status_mask) == 0) {
- tty_insert_flip_char(tty, ch, flag);
- }
- if ((disr & TXX9_SIDISR_UOER) &&
- tty->flip.count < TTY_FLIPBUF_SIZE) {
- /*
- * Overrun is special, since it's reported
- * immediately, and doesn't affect the current
- * character.
- */
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
- }
+
+ uart_insert_char(&up->port, disr, TXX9_SIDISR_UOER, ch, flag);
+
ignore_char:
disr = sio_in(up, TXX9_SIDISR);
} while (!(disr & TXX9_SIDISR_UVALID) && (max_count-- > 0));
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index 39b788d95e3..10e2990a40d 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -61,6 +61,16 @@ struct uart_sunsab_port {
unsigned char pvr_dtr_bit; /* Which PVR bit is DTR */
unsigned char pvr_dsr_bit; /* Which PVR bit is DSR */
int type; /* SAB82532 version */
+
+ /* Setting configuration bits while the transmitter is active
+ * can cause garbage characters to get emitted by the chip.
+ * Therefore, we cache such writes here and do the real register
+ * write the next time the transmitter becomes idle.
+ */
+ unsigned int cached_ebrg;
+ unsigned char cached_mode;
+ unsigned char cached_pvr;
+ unsigned char cached_dafo;
};
/*
@@ -236,6 +246,7 @@ receive_chars(struct uart_sunsab_port *up,
}
static void sunsab_stop_tx(struct uart_port *, unsigned int);
+static void sunsab_tx_idle(struct uart_sunsab_port *);
static void transmit_chars(struct uart_sunsab_port *up,
union sab82532_irq_status *stat)
@@ -258,6 +269,7 @@ static void transmit_chars(struct uart_sunsab_port *up,
return;
set_bit(SAB82532_XPR, &up->irqflags);
+ sunsab_tx_idle(up);
if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) {
up->interrupt_mask1 |= SAB82532_IMR1_XPR;
@@ -397,21 +409,21 @@ static void sunsab_set_mctrl(struct uart_port *port, unsigned int mctrl)
struct uart_sunsab_port *up = (struct uart_sunsab_port *) port;
if (mctrl & TIOCM_RTS) {
- writeb(readb(&up->regs->rw.mode) & ~SAB82532_MODE_FRTS,
- &up->regs->rw.mode);
- writeb(readb(&up->regs->rw.mode) | SAB82532_MODE_RTS,
- &up->regs->rw.mode);
+ up->cached_mode &= ~SAB82532_MODE_FRTS;
+ up->cached_mode |= SAB82532_MODE_RTS;
} else {
- writeb(readb(&up->regs->rw.mode) | SAB82532_MODE_FRTS,
- &up->regs->rw.mode);
- writeb(readb(&up->regs->rw.mode) | SAB82532_MODE_RTS,
- &up->regs->rw.mode);
+ up->cached_mode |= (SAB82532_MODE_FRTS |
+ SAB82532_MODE_RTS);
}
if (mctrl & TIOCM_DTR) {
- writeb(readb(&up->regs->rw.pvr) & ~(up->pvr_dtr_bit), &up->regs->rw.pvr);
+ up->cached_pvr &= ~(up->pvr_dtr_bit);
} else {
- writeb(readb(&up->regs->rw.pvr) | up->pvr_dtr_bit, &up->regs->rw.pvr);
+ up->cached_pvr |= up->pvr_dtr_bit;
}
+
+ set_bit(SAB82532_REGS_PENDING, &up->irqflags);
+ if (test_bit(SAB82532_XPR, &up->irqflags))
+ sunsab_tx_idle(up);
}
/* port->lock is not held. */
@@ -450,6 +462,25 @@ static void sunsab_stop_tx(struct uart_port *port, unsigned int tty_stop)
}
/* port->lock held by caller. */
+static void sunsab_tx_idle(struct uart_sunsab_port *up)
+{
+ if (test_bit(SAB82532_REGS_PENDING, &up->irqflags)) {
+ u8 tmp;
+
+ clear_bit(SAB82532_REGS_PENDING, &up->irqflags);
+ writeb(up->cached_mode, &up->regs->rw.mode);
+ writeb(up->cached_pvr, &up->regs->rw.pvr);
+ writeb(up->cached_dafo, &up->regs->w.dafo);
+
+ writeb(up->cached_ebrg & 0xff, &up->regs->w.bgr);
+ tmp = readb(&up->regs->rw.ccr2);
+ tmp &= ~0xc0;
+ tmp |= (up->cached_ebrg >> 2) & 0xc0;
+ writeb(tmp, &up->regs->rw.ccr2);
+ }
+}
+
+/* port->lock held by caller. */
static void sunsab_start_tx(struct uart_port *port, unsigned int tty_start)
{
struct uart_sunsab_port *up = (struct uart_sunsab_port *) port;
@@ -517,12 +548,16 @@ static void sunsab_break_ctl(struct uart_port *port, int break_state)
spin_lock_irqsave(&up->port.lock, flags);
- val = readb(&up->regs->rw.dafo);
+ val = up->cached_dafo;
if (break_state)
val |= SAB82532_DAFO_XBRK;
else
val &= ~SAB82532_DAFO_XBRK;
- writeb(val, &up->regs->rw.dafo);
+ up->cached_dafo = val;
+
+ set_bit(SAB82532_REGS_PENDING, &up->irqflags);
+ if (test_bit(SAB82532_XPR, &up->irqflags))
+ sunsab_tx_idle(up);
spin_unlock_irqrestore(&up->port.lock, flags);
}
@@ -566,8 +601,9 @@ static int sunsab_startup(struct uart_port *port)
SAB82532_CCR2_TOE, &up->regs->w.ccr2);
writeb(0, &up->regs->w.ccr3);
writeb(SAB82532_CCR4_MCK4 | SAB82532_CCR4_EBRG, &up->regs->w.ccr4);
- writeb(SAB82532_MODE_RTS | SAB82532_MODE_FCTS |
- SAB82532_MODE_RAC, &up->regs->w.mode);
+ up->cached_mode = (SAB82532_MODE_RTS | SAB82532_MODE_FCTS |
+ SAB82532_MODE_RAC);
+ writeb(up->cached_mode, &up->regs->w.mode);
writeb(SAB82532_RFC_DPS|SAB82532_RFC_RFTH_32, &up->regs->w.rfc);
tmp = readb(&up->regs->rw.ccr0);
@@ -598,7 +634,6 @@ static void sunsab_shutdown(struct uart_port *port)
{
struct uart_sunsab_port *up = (struct uart_sunsab_port *) port;
unsigned long flags;
- unsigned char tmp;
spin_lock_irqsave(&up->port.lock, flags);
@@ -609,14 +644,13 @@ static void sunsab_shutdown(struct uart_port *port)
writeb(up->interrupt_mask1, &up->regs->w.imr1);
/* Disable break condition */
- tmp = readb(&up->regs->rw.dafo);
- tmp &= ~SAB82532_DAFO_XBRK;
- writeb(tmp, &up->regs->rw.dafo);
+ up->cached_dafo = readb(&up->regs->rw.dafo);
+ up->cached_dafo &= ~SAB82532_DAFO_XBRK;
+ writeb(up->cached_dafo, &up->regs->rw.dafo);
/* Disable Receiver */
- tmp = readb(&up->regs->rw.mode);
- tmp &= ~SAB82532_MODE_RAC;
- writeb(tmp, &up->regs->rw.mode);
+ up->cached_mode &= ~SAB82532_MODE_RAC;
+ writeb(up->cached_mode, &up->regs->rw.mode);
/*
* XXX FIXME
@@ -685,7 +719,6 @@ static void sunsab_convert_to_sab(struct uart_sunsab_port *up, unsigned int cfla
unsigned int iflag, unsigned int baud,
unsigned int quot)
{
- unsigned int ebrg;
unsigned char dafo;
int bits, n, m;
@@ -714,10 +747,11 @@ static void sunsab_convert_to_sab(struct uart_sunsab_port *up, unsigned int cfla
} else {
dafo |= SAB82532_DAFO_PAR_EVEN;
}
+ up->cached_dafo = dafo;
calc_ebrg(baud, &n, &m);
- ebrg = n | (m << 6);
+ up->cached_ebrg = n | (m << 6);
up->tec_timeout = (10 * 1000000) / baud;
up->cec_timeout = up->tec_timeout >> 2;
@@ -770,16 +804,13 @@ static void sunsab_convert_to_sab(struct uart_sunsab_port *up, unsigned int cfla
uart_update_timeout(&up->port, cflag,
(up->port.uartclk / (16 * quot)));
- /* Now bang the new settings into the chip. */
- sunsab_cec_wait(up);
- sunsab_tec_wait(up);
- writeb(dafo, &up->regs->w.dafo);
- writeb(ebrg & 0xff, &up->regs->w.bgr);
- writeb((readb(&up->regs->rw.ccr2) & ~0xc0) | ((ebrg >> 2) & 0xc0),
- &up->regs->rw.ccr2);
-
- writeb(readb(&up->regs->rw.mode) | SAB82532_MODE_RAC, &up->regs->rw.mode);
-
+ /* Now schedule a register update when the chip's
+ * transmitter is idle.
+ */
+ up->cached_mode |= SAB82532_MODE_RAC;
+ set_bit(SAB82532_REGS_PENDING, &up->irqflags);
+ if (test_bit(SAB82532_XPR, &up->irqflags))
+ sunsab_tx_idle(up);
}
/* port->lock is not held. */
@@ -1084,11 +1115,13 @@ static void __init sunsab_init_hw(void)
up->pvr_dsr_bit = (1 << 3);
up->pvr_dtr_bit = (1 << 2);
}
- writeb((1 << 1) | (1 << 2) | (1 << 4), &up->regs->w.pvr);
- writeb(readb(&up->regs->rw.mode) | SAB82532_MODE_FRTS,
- &up->regs->rw.mode);
- writeb(readb(&up->regs->rw.mode) | SAB82532_MODE_RTS,
- &up->regs->rw.mode);
+ up->cached_pvr = (1 << 1) | (1 << 2) | (1 << 4);
+ writeb(up->cached_pvr, &up->regs->w.pvr);
+ up->cached_mode = readb(&up->regs->rw.mode);
+ up->cached_mode |= SAB82532_MODE_FRTS;
+ writeb(up->cached_mode, &up->regs->rw.mode);
+ up->cached_mode |= SAB82532_MODE_RTS;
+ writeb(up->cached_mode, &up->regs->rw.mode);
up->tec_timeout = SAB82532_MAX_TEC_TIMEOUT;
up->cec_timeout = SAB82532_MAX_CEC_TIMEOUT;
diff --git a/drivers/serial/sunsab.h b/drivers/serial/sunsab.h
index 686086fcbbf..b78e1f7b805 100644
--- a/drivers/serial/sunsab.h
+++ b/drivers/serial/sunsab.h
@@ -126,6 +126,7 @@ union sab82532_irq_status {
/* irqflags bits */
#define SAB82532_ALLS 0x00000001
#define SAB82532_XPR 0x00000002
+#define SAB82532_REGS_PENDING 0x00000004
/* RFIFO Status Byte */
#define SAB82532_RSTAT_PE 0x80
diff --git a/drivers/serial/vr41xx_siu.c b/drivers/serial/vr41xx_siu.c
index 307886199f2..5d2ceb623e6 100644
--- a/drivers/serial/vr41xx_siu.c
+++ b/drivers/serial/vr41xx_siu.c
@@ -412,10 +412,8 @@ static inline void receive_chars(struct uart_port *port, uint8_t *status,
if (uart_handle_sysrq_char(port, ch, regs))
goto ignore_char;
- if ((lsr & port->ignore_status_mask) == 0)
- tty_insert_flip_char(tty, ch, flag);
- if ((lsr & UART_LSR_OE) && (tty->flip.count < TTY_FLIPBUF_SIZE))
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+
+ uart_insert_char(port, lsr, UART_LSR_OE, ch, flag);
ignore_char:
lsr = siu_read(port, UART_LSR);