24 files changed, 187 insertions, 301 deletions

diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c
index 8c5c276c5577..7572665a8855 100644
--- a/drivers/serial/21285.c
+++ b/drivers/serial/21285.c
@@ -375,23 +375,18 @@ static void serial21285_setup_ports(void)
 }
 
 #ifdef CONFIG_SERIAL_21285_CONSOLE
+static void serial21285_console_putchar(struct uart_port *port, int ch)
+{
+        while (*CSR_UARTFLG & 0x20)
+                barrier();
+        *CSR_UARTDR = ch;
+}
 
 static void
 serial21285_console_write(struct console *co, const char *s,
                           unsigned int count)
 {
-        int i;
-
-        for (i = 0; i < count; i++) {
-                while (*CSR_UARTFLG & 0x20)
-                        barrier();
-                *CSR_UARTDR = s[i];
-                if (s[i] == '\n') {
-                        while (*CSR_UARTFLG & 0x20)
-                                barrier();
-                        *CSR_UARTDR = '\r';
-                }
-        }
+        uart_console_write(&serial21285_port, s, count, serial21285_console_putchar);
 }
 
 static void __init
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 7aca22c9976d..5996d3cd0ed8 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2182,6 +2182,14 @@ static inline void wait_for_xmitr(struct uart_8250_port *up, int bits)
         }
 }
 
+static void serial8250_console_putchar(struct uart_port *port, int ch)
+{
+        struct uart_8250_port *up = (struct uart_8250_port *)port;
+
+        wait_for_xmitr(up, UART_LSR_THRE);
+        serial_out(up, UART_TX, ch);
+}
+
 /*
  *      Print a string to the serial port trying not to disturb
  *      any possible real use of the port...
@@ -2193,7 +2201,6 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count)
 {
         struct uart_8250_port *up = &serial8250_ports[co->index];
         unsigned int ier;
-        int i;
 
         touch_nmi_watchdog();
 
@@ -2207,22 +2214,7 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count)
         else
                 serial_out(up, UART_IER, 0);
 
-        /*
-         *      Now, do each character
-         */
-        for (i = 0; i < count; i++, s++) {
-                wait_for_xmitr(up, UART_LSR_THRE);
-
-                /*
-                 *      Send the character out.
-                 *      If a LF, also do CR...
-                 */
-                serial_out(up, UART_TX, *s);
-                if (*s == 10) {
-                        wait_for_xmitr(up, UART_LSR_THRE);
-                        serial_out(up, UART_TX, 13);
-                }
-        }
+        uart_console_write(&up->port, s, count, serial8250_console_putchar);
 
         /*
          *      Finally, wait for transmitter to become empty
diff --git a/drivers/serial/8250_early.c b/drivers/serial/8250_early.c
index 59ba5d993b4b..7e511199b4c5 100644
--- a/drivers/serial/8250_early.c
+++ b/drivers/serial/8250_early.c
@@ -74,7 +74,7 @@ static void __init wait_for_xmitr(struct uart_port *port)
         }
 }
 
-static void __init putc(struct uart_port *port, unsigned char c)
+static void __init putc(struct uart_port *port, int c)
 {
         wait_for_xmitr(port);
         serial_out(port, UART_TX, c);
@@ -89,12 +89,7 @@ static void __init early_uart_write(struct console *console, const char *s, unsi
         ier = serial_in(port, UART_IER);
         serial_out(port, UART_IER, 0);
 
-        while (*s && count-- > 0) {
-                putc(port, *s);
-                if (*s == '\n')
-                        putc(port, '\r');
-                s++;
-        }
+        uart_console_write(port, s, count, putc);
 
         /* Wait for transmitter to become empty and restore the IER */
         wait_for_xmitr(port);
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index 321a3b3a5728..e04d5e82d9ae 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -591,12 +591,18 @@ static struct uart_amba_port amba_ports[UART_NR] = {
 
 #ifdef CONFIG_SERIAL_AMBA_PL010_CONSOLE
 
+static void pl010_console_putchar(struct uart_port *port, int ch)
+{
+        while (!UART_TX_READY(UART_GET_FR(port)))
+                barrier();
+        UART_PUT_CHAR(port, ch);
+}
+
 static void
 pl010_console_write(struct console *co, const char *s, unsigned int count)
 {
         struct uart_port *port = &amba_ports[co->index].port;
         unsigned int status, old_cr;
-        int i;
 
         /*
          *      First save the CR then disable the interrupts
@@ -604,21 +610,7 @@ pl010_console_write(struct console *co, const char *s, unsigned int count)
         old_cr = UART_GET_CR(port);
         UART_PUT_CR(port, UART01x_CR_UARTEN);
 
-        /*
-         *      Now, do each character
-         */
-        for (i = 0; i < count; i++) {
-                do {
-                        status = UART_GET_FR(port);
-                } while (!UART_TX_READY(status));
-                UART_PUT_CHAR(port, s[i]);
-                if (s[i] == '\n') {
-                        do {
-                                status = UART_GET_FR(port);
-                        } while (!UART_TX_READY(status));
-                        UART_PUT_CHAR(port, '\r');
-                }
-        }
+        uart_console_write(port, s, count, pl010_console_putchar);
 
         /*
          *      Finally, wait for transmitter to become empty
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index 034a029e356e..3d966cfc9a38 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -587,14 +587,12 @@ static struct uart_amba_port *amba_ports[UART_NR];
 
 #ifdef CONFIG_SERIAL_AMBA_PL011_CONSOLE
 
-static inline void
-pl011_console_write_char(struct uart_amba_port *uap, char ch)
+static void pl011_console_putchar(struct uart_port *port, int ch)
 {
-        unsigned int status;
+        struct uart_amba_port *uap = (struct uart_amba_port *)port;
 
-        do {
-                status = readw(uap->port.membase + UART01x_FR);
-        } while (status & UART01x_FR_TXFF);
+        while (readw(uap->port.membase + UART01x_FR) & UART01x_FR_TXFF)
+                barrier();
         writew(ch, uap->port.membase + UART01x_DR);
 }
 
@@ -603,7 +601,6 @@ pl011_console_write(struct console *co, const char *s, unsigned int count)
 {
         struct uart_amba_port *uap = amba_ports[co->index];
         unsigned int status, old_cr, new_cr;
-        int i;
 
         clk_enable(uap->clk);
 
@@ -615,14 +612,7 @@ pl011_console_write(struct console *co, const char *s, unsigned int count)
         new_cr |= UART01x_CR_UARTEN | UART011_CR_TXE;
         writew(new_cr, uap->port.membase + UART011_CR);
 
-        /*
-         *      Now, do each character
-         */
-        for (i = 0; i < count; i++) {
-                pl011_console_write_char(uap, s[i]);
-                if (s[i] == '\n')
-                        pl011_console_write_char(uap, '\r');
-        }
+        uart_console_write(&uap->port, s, count, pl011_console_putchar);
 
         /*
          *      Finally, wait for transmitter to become empty
diff --git a/drivers/serial/at91_serial.c b/drivers/serial/at91_serial.c
index 2113feb75c39..6547fe0cef96 100644
--- a/drivers/serial/at91_serial.c
+++ b/drivers/serial/at91_serial.c
@@ -711,6 +711,12 @@ void __init at91_register_uart(int idx, int port)
 }
 
 #ifdef CONFIG_SERIAL_AT91_CONSOLE
+static void at91_console_putchar(struct uart_port *port, int ch)
+{
+        while (!(UART_GET_CSR(port) & AT91_US_TXRDY))
+                barrier();
+        UART_PUT_CHAR(port, ch);
+}
 
 /*
  * Interrupts are disabled on entering
@@ -718,7 +724,7 @@ void __init at91_register_uart(int idx, int port)
 static void at91_console_write(struct console *co, const char *s, u_int count)
 {
         struct uart_port *port = at91_ports + co->index;
-        unsigned int status, i, imr;
+        unsigned int status, imr;
 
         /*
          *      First, save IMR and then disable interrupts
@@ -726,21 +732,7 @@ static void at91_console_write(struct console *co, const char *s, u_int count)
         imr = UART_GET_IMR(port);       /* get interrupt mask */
         UART_PUT_IDR(port, AT91_US_RXRDY | AT91_US_TXRDY);
 
-        /*
-         *      Now, do each character
-         */
-        for (i = 0; i < count; i++) {
-                do {
-                        status = UART_GET_CSR(port);
-                } while (!(status & AT91_US_TXRDY));
-                UART_PUT_CHAR(port, s[i]);
-                if (s[i] == '\n') {
-                        do {
-                                status = UART_GET_CSR(port);
-                        } while (!(status & AT91_US_TXRDY));
-                        UART_PUT_CHAR(port, '\r');
-                }
-        }
+        uart_console_write(port, s, count, at91_console_putchar);
 
         /*
          *      Finally, wait for transmitter to become empty
diff --git a/drivers/serial/au1x00_uart.c b/drivers/serial/au1x00_uart.c
index 344022fe53ef..29f94bbb79be 100644
--- a/drivers/serial/au1x00_uart.c
+++ b/drivers/serial/au1x00_uart.c
@@ -1121,6 +1121,14 @@ static inline void wait_for_xmitr(struct uart_8250_port *up)
         }
 }
 
+static void au1x00_console_putchar(struct uart_port *port, int ch)
+{
+        struct uart_8250_port *up = (struct uart_8250_port *)port;
+
+        wait_for_xmitr(up);
+        serial_out(up, UART_TX, ch);
+}
+
 /*
  *      Print a string to the serial port trying not to disturb
  *      any possible real use of the port...
@@ -1132,7 +1140,6 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count)
 {
         struct uart_8250_port *up = &serial8250_ports[co->index];
         unsigned int ier;
-        int i;
 
         /*
          *      First save the UER then disable the interrupts
@@ -1140,22 +1147,7 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count)
         ier = serial_in(up, UART_IER);
         serial_out(up, UART_IER, 0);
 
-        /*
-         *      Now, do each character
-         */
-        for (i = 0; i < count; i++, s++) {
-                wait_for_xmitr(up);
-
-                /*
-                 *      Send the character out.
-                 *      If a LF, also do CR...
-                 */
-                serial_out(up, UART_TX, *s);
-                if (*s == 10) {
-                        wait_for_xmitr(up);
-                        serial_out(up, UART_TX, 13);
-                }
-        }
+        uart_console_write(&up->port, s, count, au1x00_console_putchar);
 
         /*
          *      Finally, wait for transmitter to become empty
diff --git a/drivers/serial/clps711x.c b/drivers/serial/clps711x.c
index ce7b2e4ecd17..2691112c84ad 100644
--- a/drivers/serial/clps711x.c
+++ b/drivers/serial/clps711x.c
@@ -424,6 +424,13 @@ static struct uart_port clps711x_ports[UART_NR] = {
 };
 
 #ifdef CONFIG_SERIAL_CLPS711X_CONSOLE
+static void clps711xuart_console_putchar(struct uart_port *port, int ch)
+{
+        while (clps_readl(SYSFLG(port)) & SYSFLG_UTXFF)
+                barrier();
+        clps_writel(ch, UARTDR(port));
+}
+
 /*
  *      Print a string to the serial port trying not to disturb
  *      any possible real use of the port...
@@ -438,7 +445,6 @@ clps711xuart_console_write(struct console *co, const char *s,
 {
         struct uart_port *port = clps711x_ports + co->index;
         unsigned int status, syscon;
-        int i;
 
         /*
          *      Ensure that the port is enabled.
@@ -446,21 +452,7 @@ clps711xuart_console_write(struct console *co, const char *s,
         syscon = clps_readl(SYSCON(port));
         clps_writel(syscon | SYSCON_UARTEN, SYSCON(port));
 
-        /*
-         *      Now, do each character
-         */
-        for (i = 0; i < count; i++) {
-                do {
-                        status = clps_readl(SYSFLG(port));
-                } while (status & SYSFLG_UTXFF);
-                clps_writel(s[i], UARTDR(port));
-                if (s[i] == '\n') {
-                        do {
-                                status = clps_readl(SYSFLG(port));
-                        } while (status & SYSFLG_UTXFF);
-                        clps_writel('\r', UARTDR(port));
-                }
-        }
+        uart_console_write(port, s, count, clps711xuart_console_putchar);
 
         /*
          *      Finally, wait for transmitter to become empty
diff --git a/drivers/serial/dz.c b/drivers/serial/dz.c
index ba5541de673b..bf71bad5c34f 100644
--- a/drivers/serial/dz.c
+++ b/drivers/serial/dz.c
@@ -674,11 +674,12 @@ static void dz_reset(struct dz_port *dport)
 }
 
 #ifdef CONFIG_SERIAL_DZ_CONSOLE
-static void dz_console_put_char(struct dz_port *dport, unsigned char ch)
+static void dz_console_putchar(struct uart_port *port, int ch)
 {
+        struct dz_port *dport = (struct dz_port *)uport;
         unsigned long flags;
         int loops = 2500;
-        unsigned short tmp = ch;
+        unsigned short tmp = (unsigned char)ch;
         /* this code sends stuff out to serial device - spinning its
            wheels and waiting. */
 
@@ -694,6 +695,7 @@ static void dz_console_put_char(struct dz_port *dport, unsigned char ch)
 
         spin_unlock_irqrestore(&dport->port.lock, flags);
 }
+
 /*
  * -------------------------------------------------------------------
  * dz_console_print ()
@@ -710,11 +712,7 @@ static void dz_console_print(struct console *cons,
 #ifdef DEBUG_DZ
         prom_printf((char *) str);
 #endif
-        while (count--) {
-                if (*str == '\n')
-                        dz_console_put_char(dport, '\r');
-                dz_console_put_char(dport, *str++);
-        }
+        uart_console_write(&dport->port, str, count, dz_console_putchar);
 }
 
 static int __init dz_console_setup(struct console *co, char *options)
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 4d53fb5ca87b..c3b7a6673e9c 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -743,6 +743,13 @@ static void __init imx_init_ports(void)
 }
 
 #ifdef CONFIG_SERIAL_IMX_CONSOLE
+static void imx_console_putchar(struct uart_port *port, int ch)
+{
+        struct imx_port *sport = (struct imx_port *)port;
+        while ((UTS((u32)sport->port.membase) & UTS_TXFULL))
+                barrier();
+        URTX0((u32)sport->port.membase) = ch;
+}
 
 /*
  * Interrupts are disabled on entering
@@ -751,7 +758,7 @@ static void
 imx_console_write(struct console *co, const char *s, unsigned int count)
 {
         struct imx_port *sport = &imx_ports[co->index];
-        unsigned int old_ucr1, old_ucr2, i;
+        unsigned int old_ucr1, old_ucr2;
 
         /*
          *      First, save UCR1/2 and then disable interrupts
@@ -764,22 +771,7 @@ imx_console_write(struct console *co, const char *s, unsigned int count)
                            & ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN);
         UCR2((u32)sport->port.membase) = old_ucr2 | UCR2_TXEN;
 
-        /*
-         *      Now, do each character
-         */
-        for (i = 0; i < count; i++) {
-
-                while ((UTS((u32)sport->port.membase) & UTS_TXFULL))
-                        barrier();
-
-                URTX0((u32)sport->port.membase) = s[i];
-
-                if (s[i] == '\n') {
-                        while ((UTS((u32)sport->port.membase) & UTS_TXFULL))
-                                barrier();
-                        URTX0((u32)sport->port.membase) = '\r';
-                }
-        }
+        uart_console_write(&sport->port, s, count, imx_console_putchar);
 
         /*
          *      Finally, wait for transmitter to become empty
diff --git a/drivers/serial/ip22zilog.c b/drivers/serial/ip22zilog.c
index 193722d680cf..651772474ac1 100644
--- a/drivers/serial/ip22zilog.c
+++ b/drivers/serial/ip22zilog.c
@@ -967,8 +967,9 @@ static struct zilog_layout * __init get_zs(int chip)
 #define ZS_PUT_CHAR_MAX_DELAY   2000    /* 10 ms */
 
 #ifdef CONFIG_SERIAL_IP22_ZILOG_CONSOLE
-static void ip22zilog_put_char(struct zilog_channel *channel, unsigned char ch)
+static void ip22zilog_put_char(struct uart_port *port, int ch)
 {
+        struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(port);
         int loops = ZS_PUT_CHAR_MAX_DELAY;
 
         /* This is a timed polling loop so do not switch the explicit
@@ -992,16 +993,10 @@ static void
 ip22zilog_console_write(struct console *con, const char *s, unsigned int count)
 {
         struct uart_ip22zilog_port *up = &ip22zilog_port_table[con->index];
-        struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(&up->port);
         unsigned long flags;
-        int i;
 
         spin_lock_irqsave(&up->port.lock, flags);
-        for (i = 0; i < count; i++, s++) {
-                ip22zilog_put_char(channel, *s);
-                if (*s == 10)
-                        ip22zilog_put_char(channel, 13);
-        }
+        uart_console_write(&up->port, s, count, ip22zilog_put_char);
         udelay(2);
         spin_unlock_irqrestore(&up->port.lock, flags);
 }
diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c
index 242a04104393..876bc5e027bb 100644
--- a/drivers/serial/m32r_sio.c
+++ b/drivers/serial/m32r_sio.c
@@ -1039,6 +1039,14 @@ static inline void wait_for_xmitr(struct uart_sio_port *up)
         }
 }
 
+static void m32r_sio_console_putchar(struct uart_port *port, int ch)
+{
+        struct uart_sio_port *up = (struct uart_sio_port *)port;
+
+        wait_for_xmitr(up);
+        sio_out(up, SIOTXB, ch);
+}
+
 /*
  *      Print a string to the serial port trying not to disturb
  *      any possible real use of the port...
@@ -1058,23 +1066,7 @@ static void m32r_sio_console_write(struct console *co, const char *s,
         ier = sio_in(up, SIOTRCR);
         sio_out(up, SIOTRCR, 0);
 
-        /*
-         *      Now, do each character
-         */
-        for (i = 0; i < count; i++, s++) {
-                wait_for_xmitr(up);
-
-                /*
-                 *      Send the character out.
-                 *      If a LF, also do CR...
-                 */
-                sio_out(up, SIOTXB, *s);
-
-                if (*s == 10) {
-                        wait_for_xmitr(up);
-                        sio_out(up, SIOTXB, 13);
-                }
-        }
+        uart_console_write(&up->port, s, count, m32r_sio_console_putchar);
 
         /*
          *      Finally, wait for transmitter to become empty
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index 61dd17d7bace..928e6cf12dca 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -603,15 +603,14 @@ mpc52xx_console_write(struct console *co, const char *s, unsigned int count)
                 udelay(1);
 
         /* Write all the chars */
-        for ( i=0 ; i<count ; i++ ) {
-        
-                /* Send the char */
-                out_8(&psc->mpc52xx_psc_buffer_8, *s);
-
+        for (i = 0; i < count; i++, s++) {
                 /* Line return handling */
-                if ( *s++ == '\n' )
+                if (*s == '\n')
                         out_8(&psc->mpc52xx_psc_buffer_8, '\r');
                 
+                /* Send the char */
+                out_8(&psc->mpc52xx_psc_buffer_8, *s);
+
                 /* Wait the TX buffer to be empty */
                 j = 20000;      /* Maximum wait */      
                 while (!(in_be16(&psc->mpc52xx_psc_status) & 
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index 9b7ed58cb53b..513ff8597707 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -1916,6 +1916,16 @@ static void __exit exit_pmz(void)
 
 #ifdef CONFIG_SERIAL_PMACZILOG_CONSOLE
 
+static void pmz_console_putchar(struct uart_port *port, int ch)
+{
+        struct uart_pmac_port *uap = (struct uart_pmac_port *)port;
+
+        /* Wait for the transmit buffer to empty. */
+        while ((read_zsreg(uap, R0) & Tx_BUF_EMP) == 0)
+                udelay(5);
+        write_zsdata(uap, ch);
+}
+
 /*
  * Print a string to the serial port trying not to disturb
  * any possible real use of the port...
@@ -1924,7 +1934,6 @@ static void pmz_console_write(struct console *con, const char *s, unsigned int c
 {
         struct uart_pmac_port *uap = &pmz_ports[con->index];
         unsigned long flags;
-        int i;
 
         if (ZS_IS_ASLEEP(uap))
                 return;
@@ -1934,17 +1943,7 @@ static void pmz_console_write(struct console *con, const char *s, unsigned int c
         write_zsreg(uap, R1, uap->curregs[1] & ~TxINT_ENAB);
         write_zsreg(uap, R5, uap->curregs[5] | TxENABLE | RTS | DTR);
 
-        for (i = 0; i < count; i++) {
-                /* Wait for the transmit buffer to empty. */
-                while ((read_zsreg(uap, R0) & Tx_BUF_EMP) == 0)
-                        udelay(5);
-                write_zsdata(uap, s[i]);
-                if (s[i] == 10) {
-                        while ((read_zsreg(uap, R0) & Tx_BUF_EMP) == 0)
-                                udelay(5);
-                        write_zsdata(uap, R13);
-                }
-        }
+        uart_console_write(&uap->port, s, count, pmz_console_putchar);
 
         /* Restore the values in the registers. */
         write_zsreg(uap, R1, uap->curregs[1]);
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index 10535f00301f..77d4568ccc3a 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -619,6 +619,14 @@ static inline void wait_for_xmitr(struct uart_pxa_port *up)
         }
 }
 
+static void serial_pxa_console_putchar(struct uart_port *port, int ch)
+{
+        struct uart_pxa_port *up = (struct uart_pxa_port *)port;
+
+        wait_for_xmitr(up);
+        serial_out(up, UART_TX, ch);
+}
+
 /*
  * Print a string to the serial port trying not to disturb
  * any possible real use of the port...
@@ -630,7 +638,6 @@ serial_pxa_console_write(struct console *co, const char *s, unsigned int count)
 {
         struct uart_pxa_port *up = &serial_pxa_ports[co->index];
         unsigned int ier;
-        int i;
 
         /*
          *      First save the IER then disable the interrupts
@@ -638,22 +645,7 @@ serial_pxa_console_write(struct console *co, const char *s, unsigned int count)
         ier = serial_in(up, UART_IER);
         serial_out(up, UART_IER, UART_IER_UUE);
 
-        /*
-         *      Now, do each character
-         */
-        for (i = 0; i < count; i++, s++) {
-                wait_for_xmitr(up);
-
-                /*
-                 *      Send the character out.
-                 *      If a LF, also do CR...
-                 */
-                serial_out(up, UART_TX, *s);
-                if (*s == 10) {
-                        wait_for_xmitr(up);
-                        serial_out(up, UART_TX, 13);
-                }
-        }
+        uart_console_write(&up->port, s, count, serial_pxa_console_putchar);
 
         /*
          *      Finally, wait for transmitter to become empty
diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c
index 7410e093a6b9..e4d701239702 100644
--- a/drivers/serial/s3c2410.c
+++ b/drivers/serial/s3c2410.c
@@ -1584,25 +1584,19 @@ s3c24xx_serial_console_txrdy(struct uart_port *port, unsigned int ufcon)
 }
 
 static void
-s3c24xx_serial_console_write(struct console *co, const char *s,
-                             unsigned int count)
+s3c24xx_serial_console_putchar(struct uart_port *port, int ch)
 {
-        int i;
         unsigned int ufcon = rd_regl(cons_uart, S3C2410_UFCON);
+        while (!s3c24xx_serial_console_txrdy(port, ufcon))
+                barrier();
+        wr_regb(cons_uart, S3C2410_UTXH, ch);
+}
 
-        for (i = 0; i < count; i++) {
-                while (!s3c24xx_serial_console_txrdy(cons_uart, ufcon))
-                        barrier();
-
-                wr_regb(cons_uart, S3C2410_UTXH, s[i]);
-
-                if (s[i] == '\n') {
-                        while (!s3c24xx_serial_console_txrdy(cons_uart, ufcon))
-                                barrier();
-
-                        wr_regb(cons_uart, S3C2410_UTXH, '\r');
-                }
-        }
+static void
+s3c24xx_serial_console_write(struct console *co, const char *s,
+                             unsigned int count)
+{
+        uart_console_write(cons_uart, s, count, s3c24xx_serial_console_putchar);
 }
 
 static void __init
diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c
index 2c00b8625852..c2d9068b491d 100644
--- a/drivers/serial/sa1100.c
+++ b/drivers/serial/sa1100.c
@@ -689,6 +689,14 @@ void __init sa1100_register_uart(int idx, int port)
 
 
 #ifdef CONFIG_SERIAL_SA1100_CONSOLE
+static void sa1100_console_putchar(struct uart_port *port, int ch)
+{
+        struct sa1100_port *sport = (struct sa1100_port *)port;
+
+        while (!(UART_GET_UTSR1(sport) & UTSR1_TNF))
+                barrier();
+        UART_PUT_CHAR(sport, ch);
+}
 
 /*
  * Interrupts are disabled on entering
@@ -697,7 +705,7 @@ static void
 sa1100_console_write(struct console *co, const char *s, unsigned int count)
 {
         struct sa1100_port *sport = &sa1100_ports[co->index];
-        unsigned int old_utcr3, status, i;
+        unsigned int old_utcr3, status;
 
         /*
          *      First, save UTCR3 and then disable interrupts
@@ -706,21 +714,7 @@ sa1100_console_write(struct console *co, const char *s, unsigned int count)
         UART_PUT_UTCR3(sport, (old_utcr3 & ~(UTCR3_RIE | UTCR3_TIE)) |
                                 UTCR3_TXE);
 
-        /*
-         *      Now, do each character
-         */
-        for (i = 0; i < count; i++) {
-                do {
-                        status = UART_GET_UTSR1(sport);
-                } while (!(status & UTSR1_TNF));
-                UART_PUT_CHAR(sport, s[i]);
-                if (s[i] == '\n') {
-                        do {
-                                status = UART_GET_UTSR1(sport);
-                        } while (!(status & UTSR1_TNF));
-                        UART_PUT_CHAR(sport, '\r');
-                }
-        }
+        uart_console_write(&sport->port, s, count, sa1100_console_putchar);
 
         /*
          *      Finally, wait for transmitter to become empty
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index cc1faa31d124..fcd7744c4253 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -1755,6 +1755,27 @@ static int uart_read_proc(char *page, char **start, off_t off,
 
 #ifdef CONFIG_SERIAL_CORE_CONSOLE
 /*
+ *      uart_console_write - write a console message to a serial port
+ *      @port: the port to write the message
+ *      @s: array of characters
+ *      @count: number of characters in string to write
+ *      @write: function to write character to port
+ */
+void uart_console_write(struct uart_port *port, const char *s,
+                        unsigned int count,
+                        void (*putchar)(struct uart_port *, int))
+{
+        unsigned int i;
+
+        for (i = 0; i < count; i++, s++) {
+                if (*s == '\n')
+                        putchar(port, '\r');
+                putchar(port, *s);
+        }
+}
+EXPORT_SYMBOL_GPL(uart_console_write);
+
+/*
  *      Check whether an invalid uart number has been specified, and
  *      if so, search for the first available port that does have
  *      console support.
diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c
index 04186eaae227..aa521b8e0d4e 100644
--- a/drivers/serial/serial_lh7a40x.c
+++ b/drivers/serial/serial_lh7a40x.c
@@ -543,6 +543,12 @@ static struct uart_port_lh7a40x lh7a40x_ports[DEV_NR] = {
 #else
 # define LH7A40X_CONSOLE &lh7a40x_console
 
+static void lh7a40xuart_console_putchar(struct uart_port *port, int ch)
+{
+        while (UR(port, UART_R_STATUS) & nTxRdy)
+                ;
+        UR(port, UART_R_DATA) = ch;
+}
 
 static void lh7a40xuart_console_write (struct console* co,
                                        const char* s,
@@ -556,16 +562,7 @@ static void lh7a40xuart_console_write (struct console* co,
         UR (port, UART_R_INTEN) = 0;            /* Disable all interrupts */
         BIT_SET (port, UART_R_CON, UARTEN | SIRDIS); /* Enable UART */
 
-        for (; count-- > 0; ++s) {
-                while (UR (port, UART_R_STATUS) & nTxRdy)
-                        ;
-                UR (port, UART_R_DATA) = *s;
-                if (*s == '\n') {
-                        while ((UR (port, UART_R_STATUS) & TxBusy))
-                                ;
-                        UR (port, UART_R_DATA) = '\r';
-                }
-        }
+        uart_console_write(port, s, count, lh7a40xuart_console_putchar);
 
                                 /* Wait until all characters are sent */
         while (UR (port, UART_R_STATUS) & TxBusy)
diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c
index ee98a867bc6d..1a259cee1a98 100644
--- a/drivers/serial/serial_txx9.c
+++ b/drivers/serial/serial_txx9.c
@@ -854,6 +854,14 @@ static inline void wait_for_xmitr(struct uart_txx9_port *up)
         }
 }
 
+static void serial_txx9_console_putchar(struct uart_port *port, int ch)
+{
+        struct uart_txx9_port *up = (struct uart_txx9_port *)port;
+
+        wait_for_xmitr(up);
+        sio_out(up, TXX9_SITFIFO, ch);
+}
+
 /*
  *      Print a string to the serial port trying not to disturb
  *      any possible real use of the port...
@@ -865,7 +873,6 @@ serial_txx9_console_write(struct console *co, const char *s, unsigned int count)
 {
         struct uart_txx9_port *up = &serial_txx9_ports[co->index];
         unsigned int ier, flcr;
-        int i;
 
         /*
          *      First save the UER then disable the interrupts
@@ -879,22 +886,7 @@ serial_txx9_console_write(struct console *co, const char *s, unsigned int count)
         if (!(up->port.flags & UPF_CONS_FLOW) && (flcr & TXX9_SIFLCR_TES))
                 sio_out(up, TXX9_SIFLCR, flcr & ~TXX9_SIFLCR_TES);
 
-        /*
-         *      Now, do each character
-         */
-        for (i = 0; i < count; i++, s++) {
-                wait_for_xmitr(up);
-
-                /*
-                 *      Send the character out.
-                 *      If a LF, also do CR...
-                 */
-                sio_out(up, TXX9_SITFIFO, *s);
-                if (*s == 10) {
-                        wait_for_xmitr(up);
-                        sio_out(up, TXX9_SITFIFO, 13);
-                }
-        }
+        uart_console_write(&up->port, s, count, serial_txx9_console_putchar);
 
         /*
          *      Finally, wait for transmitter to become empty
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index 85664228a0b6..be95eabd0394 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -861,8 +861,9 @@ static int num_channels;
 
 #ifdef CONFIG_SERIAL_SUNSAB_CONSOLE
 
-static __inline__ void sunsab_console_putchar(struct uart_sunsab_port *up, char c)
+static void sunsab_console_putchar(struct uart_port *port, int c)
 {
+        struct uart_sunsab_port *up = (struct uart_sunsab_port *)port;
         unsigned long flags;
 
         spin_lock_irqsave(&up->port.lock, flags);
@@ -876,13 +877,8 @@ static __inline__ void sunsab_console_putchar(struct uart_sunsab_port *up, char
 static void sunsab_console_write(struct console *con, const char *s, unsigned n)
 {
         struct uart_sunsab_port *up = &sunsab_ports[con->index];
-        int i;
 
-        for (i = 0; i < n; i++) {
-                if (*s == '\n')
-                        sunsab_console_putchar(up, '\r');
-                sunsab_console_putchar(up, *s++);
-        }
+        uart_console_write(&up->port, s, n, sunsab_console_putchar);
         sunsab_tec_wait(up);
 }
 
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 4e453fa966ae..9ca1d8b9364b 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -1376,6 +1376,14 @@ static __inline__ void wait_for_xmitr(struct uart_sunsu_port *up)
         }
 }
 
+static void sunsu_console_putchar(struct uart_port *port, int ch)
+{
+        struct uart_sunsu_port *up = (struct uart_sunsu_port *)port;
+
+        wait_for_xmitr(up);
+        serial_out(up, UART_TX, ch);
+}
+
 /*
  *      Print a string to the serial port trying not to disturb
  *      any possible real use of the port...
@@ -1385,7 +1393,6 @@ static void sunsu_console_write(struct console *co, const char *s,
 {
         struct uart_sunsu_port *up = &sunsu_ports[co->index];
         unsigned int ier;
-        int i;
 
         /*
          *      First save the UER then disable the interrupts
@@ -1393,22 +1400,7 @@ static void sunsu_console_write(struct console *co, const char *s,
         ier = serial_in(up, UART_IER);
         serial_out(up, UART_IER, 0);
 
-        /*
-         *      Now, do each character
-         */
-        for (i = 0; i < count; i++, s++) {
-                wait_for_xmitr(up);
-
-                /*
-                 *      Send the character out.
-                 *      If a LF, also do CR...
-                 */
-                serial_out(up, UART_TX, *s);
-                if (*s == 10) {
-                        wait_for_xmitr(up);
-                        serial_out(up, UART_TX, 13);
-                }
-        }
+        uart_console_write(&up->port, s, count, sunsu_console_putchar);
 
         /*
          *      Finally, wait for transmitter to become empty
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index 5cc4d4c2935c..b0c46b9a5930 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -1252,8 +1252,9 @@ static struct zilog_layout __iomem * __init get_zs(int chip, int node)
 
 #define ZS_PUT_CHAR_MAX_DELAY   2000    /* 10 ms */
 
-static void sunzilog_put_char(struct zilog_channel __iomem *channel, unsigned char ch)
+static void sunzilog_putchar(struct uart_port *port, int ch)
 {
+        struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(port);
         int loops = ZS_PUT_CHAR_MAX_DELAY;
 
         /* This is a timed polling loop so do not switch the explicit
@@ -1284,7 +1285,7 @@ static int sunzilog_serio_write(struct serio *serio, unsigned char ch)
 
         spin_lock_irqsave(&sunzilog_serio_lock, flags);
 
-        sunzilog_put_char(ZILOG_CHANNEL_FROM_PORT(&up->port), ch);
+        sunzilog_putchar(&up->port, ch);
 
         spin_unlock_irqrestore(&sunzilog_serio_lock, flags);
 
@@ -1325,16 +1326,10 @@ static void
 sunzilog_console_write(struct console *con, const char *s, unsigned int count)
 {
         struct uart_sunzilog_port *up = &sunzilog_port_table[con->index];
-        struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(&up->port);
         unsigned long flags;
-        int i;
 
         spin_lock_irqsave(&up->port.lock, flags);
-        for (i = 0; i < count; i++, s++) {
-                sunzilog_put_char(channel, *s);
-                if (*s == 10)
-                        sunzilog_put_char(channel, 13);
-        }
+        uart_console_write(&up->port, s, count, sunzilog_putchar);
         udelay(2);
         spin_unlock_irqrestore(&up->port.lock, flags);
 }
diff --git a/drivers/serial/vr41xx_siu.c b/drivers/serial/vr41xx_siu.c
index d61494d185cd..3f88b8e81937 100644
--- a/drivers/serial/vr41xx_siu.c
+++ b/drivers/serial/vr41xx_siu.c
@@ -821,25 +821,23 @@ static void wait_for_xmitr(struct uart_port *port)
         }
 }
 
+static void siu_console_putchar(struct uart_port *port, int ch)
+{
+        wait_for_xmitr(port);
+        siu_write(port, UART_TX, ch);
+}
+
 static void siu_console_write(struct console *con, const char *s, unsigned count)
 {
         struct uart_port *port;
         uint8_t ier;
-        unsigned i;
 
         port = &siu_uart_ports[con->index];
 
         ier = siu_read(port, UART_IER);
         siu_write(port, UART_IER, 0);
 
-        for (i = 0; i < count && *s != '\0'; i++, s++) {
-                wait_for_xmitr(port);
-                siu_write(port, UART_TX, *s);
-                if (*s == '\n') {
-                        wait_for_xmitr(port);
-                        siu_write(port, UART_TX, '\r');
-                }
-        }
+        uart_console_write(port, s, count, siu_console_putchar);
 
         wait_for_xmitr(port);
         siu_write(port, UART_IER, ier);