serial: sh-sci: Codestyle cleanup patch.

Trivial coding style cleanups.

Signed-off-by: Michael Trimarchi <trimarchimichael@yahoo.it>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 165fc01..31532e9 100644 (file)
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -101,6 +101,12 @@ static void sci_stop_tx(struct uart_port *port);
 static struct sci_port sci_ports[SCI_NPORTS];
 static struct uart_driver sci_uart_driver;
 
+static inline struct sci_port *
+to_sci_port(struct uart_port *uart)
+{
+       return container_of(uart, struct sci_port, port);
+}
+
 #if defined(CONFIG_SERIAL_SH_SCI_CONSOLE) && \
     defined(CONFIG_SH_STANDARD_BIOS) || defined(CONFIG_SH_KGDB)
 static inline void handle_error(struct uart_port *port)
@@ -124,7 +130,8 @@ static int get_char(struct uart_port *port)
                }
        } while (!(status & SCxSR_RDxF(port)));
        c = sci_in(port, SCxRDR);
-       sci_in(port, SCxSR);            /* Dummy read */
+       /* Dummy read */
+       sci_in(port, SCxSR);
        sci_out(port, SCxSR, SCxSR_RDxF_CLEAR(port));
        spin_unlock_irqrestore(&port->lock, flags);
 
@@ -161,7 +168,7 @@ static void put_string(struct sci_port *sci_port, const char *buffer, int count)
 
 #if defined(CONFIG_SH_STANDARD_BIOS) || defined(CONFIG_SH_KGDB)
        int checksum;
-       int usegdb=0;
+       int usegdb = 0;
 
 #ifdef CONFIG_SH_STANDARD_BIOS
        /* This call only does a trap the first time it is
@@ -181,7 +188,8 @@ static void put_string(struct sci_port *sci_port, const char *buffer, int count)
                put_char(port, 'O'); /* 'O'utput to console */
                checksum = 'O';
 
-               for (i=0; i<count; i++) { /* Don't use run length encoding */
+               /* Don't use run length encoding */
+               for (i = 0; i < count; i++) {
                        int h, l;
 
                        c = *p++;
@@ -197,7 +205,7 @@ static void put_string(struct sci_port *sci_port, const char *buffer, int count)
            } while  (get_char(port) != '+');
        } else
 #endif /* CONFIG_SH_STANDARD_BIOS || CONFIG_SH_KGDB */
-       for (i=0; i<count; i++) {
+       for (i = 0; i < count; i++) {
                if (*p == 10)
                        put_char(port, '\r');
                put_char(port, *p++);
@@ -208,35 +216,34 @@ static void put_string(struct sci_port *sci_port, const char *buffer, int count)
 #ifdef CONFIG_SH_KGDB
 static int kgdb_sci_getchar(void)
 {
-        int c;
+       int c;
 
-        /* Keep trying to read a character, this could be neater */
-        while ((c = get_char(&kgdb_sci_port->port)) < 0)
+       /* Keep trying to read a character, this could be neater */
+       while ((c = get_char(&kgdb_sci_port->port)) < 0)
                cpu_relax();
 
-        return c;
+       return c;
 }
 
 static inline void kgdb_sci_putchar(int c)
 {
-        put_char(&kgdb_sci_port->port, c);
+       put_char(&kgdb_sci_port->port, c);
 }
 #endif /* CONFIG_SH_KGDB */
 
 #if defined(__H8300S__)
 enum { sci_disable, sci_enable };
 
-static void h8300_sci_config(struct uart_port* port, unsigned int ctrl)
+static void h8300_sci_config(struct uart_port *port, unsigned int ctrl)
 {
-       volatile unsigned char *mstpcrl=(volatile unsigned char *)MSTPCRL;
+       volatile unsigned char *mstpcrl = (volatile unsigned char *)MSTPCRL;
        int ch = (port->mapbase  - SMR0) >> 3;
        unsigned char mask = 1 << (ch+1);
 
-       if (ctrl == sci_disable) {
+       if (ctrl == sci_disable)
                *mstpcrl |= mask;
-       } else {
+       else
                *mstpcrl &= ~mask;
-       }
 }
 
 static inline void h8300_sci_enable(struct uart_port *port)
@@ -251,7 +258,7 @@ static inline void h8300_sci_disable(struct uart_port *port)
 #endif
 
 #if defined(__H8300H__) || defined(__H8300S__)
-static void sci_init_pins_sci(struct uart_port* port, unsigned int cflag)
+static void sci_init_pins_sci(struct uart_port *port, unsigned int cflag)
 {
        int ch = (port->mapbase - SMR0) >> 3;
 
@@ -285,14 +292,13 @@ static void sci_init_pins_irda(struct uart_port *port, unsigned int cflag)
 #endif
 
 #if defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
-static void sci_init_pins_scif(struct uart_port* port, unsigned int cflag)
+static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
 {
        unsigned int fcr_val = 0;
 
        set_sh771x_scif_pfc(port);
-       if (cflag & CRTSCTS) {
+       if (cflag & CRTSCTS)
                fcr_val |= SCFCR_MCE;
-       }
        sci_out(port, SCFCR, fcr_val);
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH7720) || defined(CONFIG_CPU_SUBTYPE_SH7721)
@@ -419,18 +425,26 @@ static inline int scif_rxroom(struct uart_port *port)
 #elif defined(CONFIG_CPU_SUBTYPE_SH7763)
 static inline int scif_txroom(struct uart_port *port)
 {
-       if((port->mapbase == 0xffe00000) || (port->mapbase == 0xffe08000)) /* SCIF0/1*/
+       if ((port->mapbase == 0xffe00000) ||
+           (port->mapbase == 0xffe08000)) {
+               /* SCIF0/1*/
                return SCIF_TXROOM_MAX - (sci_in(port, SCTFDR) & 0xff);
-       else /* SCIF2 */
+       } else {
+               /* SCIF2 */
                return SCIF2_TXROOM_MAX - (sci_in(port, SCFDR) >> 8);
+       }
 }
 
 static inline int scif_rxroom(struct uart_port *port)
 {
-       if((port->mapbase == 0xffe00000) || (port->mapbase == 0xffe08000)) /* SCIF0/1*/
+       if ((port->mapbase == 0xffe00000) ||
+           (port->mapbase == 0xffe08000)) {
+               /* SCIF0/1*/
                return sci_in(port, SCRFDR) & 0xff;
-       else /* SCIF2 */
+       } else {
+               /* SCIF2 */
                return sci_in(port, SCFDR) & SCIF2_RFDC_MASK;
+       }
 }
 #else
 static inline int scif_txroom(struct uart_port *port)
@@ -446,12 +460,12 @@ static inline int scif_rxroom(struct uart_port *port)
 
 static inline int sci_txroom(struct uart_port *port)
 {
-       return ((sci_in(port, SCxSR) & SCI_TDRE) != 0);
+       return (sci_in(port, SCxSR) & SCI_TDRE) != 0;
 }
 
 static inline int sci_rxroom(struct uart_port *port)
 {
-       return ((sci_in(port, SCxSR) & SCxSR_RDxF(port)) != 0);
+       return (sci_in(port, SCxSR) & SCxSR_RDxF(port)) != 0;
 }
 
 /* ********************************************************************** *
@@ -469,11 +483,10 @@ static void sci_transmit_chars(struct uart_port *port)
        status = sci_in(port, SCxSR);
        if (!(status & SCxSR_TDxE(port))) {
                ctrl = sci_in(port, SCSCR);
-               if (uart_circ_empty(xmit)) {
+               if (uart_circ_empty(xmit))
                        ctrl &= ~SCI_CTRL_FLAGS_TIE;
-               } else {
+               else
                        ctrl |= SCI_CTRL_FLAGS_TIE;
-               }
                sci_out(port, SCSCR, ctrl);
                return;
        }
@@ -521,11 +534,11 @@ static void sci_transmit_chars(struct uart_port *port)
 }
 
 /* On SH3, SCIF may read end-of-break as a space->mark char */
-#define STEPFN(c)  ({int __c=(c); (((__c-1)|(__c)) == -1); })
+#define STEPFN(c)  ({int __c = (c); (((__c-1)|(__c)) == -1); })
 
 static inline void sci_receive_chars(struct uart_port *port)
 {
-       struct sci_port *sci_port = (struct sci_port *)port;
+       struct sci_port *sci_port = to_sci_port(port);
        struct tty_struct *tty = port->info->port.tty;
        int i, count, copied = 0;
        unsigned short status;
@@ -550,13 +563,13 @@ static inline void sci_receive_chars(struct uart_port *port)
 
                if (port->type == PORT_SCI) {
                        char c = sci_in(port, SCxRDR);
-                       if (uart_handle_sysrq_char(port, c) || sci_port->break_flag)
+                       if (uart_handle_sysrq_char(port, c) ||
+                           sci_port->break_flag)
                                count = 0;
-                       else {
+                       else
                                tty_insert_flip_char(tty, c, TTY_NORMAL);
-                       }
                } else {
-                       for (i=0; i<count; i++) {
+                       for (i = 0; i < count; i++) {
                                char c = sci_in(port, SCxRDR);
                                status = sci_in(port, SCxSR);
 #if defined(CONFIG_CPU_SH3)
@@ -657,7 +670,7 @@ static inline int sci_handle_errors(struct uart_port *port)
        if (status & SCxSR_FER(port)) {
                if (sci_rxd_in(port) == 0) {
                        /* Notify of BREAK */
-                       struct sci_port *sci_port = (struct sci_port *)port;
+                       struct sci_port *sci_port = to_sci_port(port);
 
                        if (!sci_port->break_flag) {
                                sci_port->break_flag = 1;
@@ -666,10 +679,11 @@ static inline int sci_handle_errors(struct uart_port *port)
                                /* Do sysrq handling. */
                                if (uart_handle_break(port))
                                        return 0;
-                               pr_debug("sci: BREAK detected\n");
+                               pr_debug("sci: BREAK detected\n");
                                if (tty_insert_flip_char(tty, 0, TTY_BREAK))
-                                       copied++;
-                       }
+                                       copied++;
+                       }
+
                } else {
                        /* frame error */
                        if (tty_insert_flip_char(tty, 0, TTY_FRAME))
@@ -764,7 +778,7 @@ static irqreturn_t sci_er_interrupt(int irq, void *ptr)
                }
        } else {
 #if defined(SCIF_ORER)
-               if((sci_in(port, SCLSR) & SCIF_ORER) != 0) {
+               if ((sci_in(port, SCLSR) & SCIF_ORER) != 0) {
                        struct tty_struct *tty = port->info->port.tty;
 
                        sci_out(port, SCLSR, 0);
@@ -801,8 +815,8 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr)
        struct uart_port *port = ptr;
        irqreturn_t ret = IRQ_NONE;
 
-        ssr_status = sci_in(port,SCxSR);
-        scr_status = sci_in(port,SCSCR);
+       ssr_status = sci_in(port, SCxSR);
+       scr_status = sci_in(port, SCSCR);
 
        /* Tx Interrupt */
        if ((ssr_status & 0x0020) && (scr_status & SCI_CTRL_FLAGS_TIE))
@@ -832,7 +846,7 @@ static int sci_notifier(struct notifier_block *self,
        int i;
 
        if ((phase == CPUFREQ_POSTCHANGE) ||
-           (phase == CPUFREQ_RESUMECHANGE)){
+           (phase == CPUFREQ_RESUMECHANGE)) {
                for (i = 0; i < SCI_NPORTS; i++) {
                        struct uart_port *port = &sci_ports[i].port;
                        struct clk *clk;
@@ -904,12 +918,12 @@ static void sci_free_irq(struct sci_port *port)
 {
        int i;
 
-        if (port->irqs[0] == port->irqs[1]) {
-                if (!port->irqs[0])
-                        printk("sci: sci_free_irq error\n");
+       if (port->irqs[0] == port->irqs[1]) {
+               if (!port->irqs[0])
+                       printk(KERN_ERR "sci: sci_free_irq error\n");
                else
-                        free_irq(port->irqs[0], port);
-        } else {
+                       free_irq(port->irqs[0], port);
+       } else {
                for (i = 0; i < ARRAY_SIZE(port->irqs); i++) {
                        if (!port->irqs[i])
                                continue;
@@ -1060,12 +1074,12 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
        sci_out(port, SCSMR, smr_val);
 
        if (t > 0) {
-               if(t >= 256) {
+               if (t >= 256) {
                        sci_out(port, SCSMR, (sci_in(port, SCSMR) & ~3) | 1);
                        t >>= 2;
-               } else {
+               } else
                        sci_out(port, SCSMR, sci_in(port, SCSMR) & ~3);
-               }
+
                sci_out(port, SCBRR, t);
                udelay((1000000+(baud-1)) / baud); /* Wait one bit interval */
        }
@@ -1076,16 +1090,20 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
        sci_out(port, SCSCR, SCSCR_INIT(port));
 
        if ((termios->c_cflag & CREAD) != 0)
-              sci_start_rx(port,0);
+               sci_start_rx(port, 0);
 }
 
 static const char *sci_type(struct uart_port *port)
 {
        switch (port->type) {
-               case PORT_SCI:  return "sci";
-               case PORT_SCIF: return "scif";
-               case PORT_IRDA: return "irda";
-               case PORT_SCIFA:        return "scifa";
+       case PORT_IRDA:
+               return "irda";
+       case PORT_SCI:
+               return "sci";
+       case PORT_SCIF:
+               return "scif";
+       case PORT_SCIFA:
+               return "scifa";
        }
 
        return NULL;
@@ -1387,9 +1405,9 @@ console_initcall(kgdb_console_init);
 #endif /* CONFIG_SH_KGDB_CONSOLE */
 
 #if defined(CONFIG_SH_KGDB_CONSOLE)
-#define SCI_CONSOLE    &kgdb_console
+#define SCI_CONSOLE    (&kgdb_console)
 #elif defined(CONFIG_SERIAL_SH_SCI_CONSOLE)
-#define SCI_CONSOLE    &serial_console
+#define SCI_CONSOLE    (&serial_console)
 #else
 #define SCI_CONSOLE    0
 #endif