X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fserial%2Fsunsab.c;h=bfbe9dc90ccaa4fbc2316c2ed1acb20fcf7e0aa2;hb=9464c7cf61b9433057924c36e6e02f303a00e768;hp=6747b8bafe10dad73fffbc9247bb0238b54cbeab;hpb=daddc0d38b3571bed170afa273a49a0eba090c1e;p=linux-2.6.git diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c index 6747b8baf..bfbe9dc90 100644 --- a/drivers/serial/sunsab.c +++ b/drivers/serial/sunsab.c @@ -51,7 +51,7 @@ struct uart_sunsab_port { struct uart_port port; /* Generic UART port */ - union sab82532_async_regs *regs; /* Chip registers */ + union sab82532_async_regs __iomem *regs; /* Chip registers */ unsigned long irqflags; /* IRQ state flags */ int dsr; /* Current DSR state */ unsigned int cec_timeout; /* Chip poll timeout... */ @@ -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; }; /* @@ -97,9 +107,10 @@ static __inline__ void sunsab_cec_wait(struct uart_sunsab_port *up) udelay(1); } -static void receive_chars(struct uart_sunsab_port *up, - union sab82532_irq_status *stat, - struct pt_regs *regs) +static struct tty_struct * +receive_chars(struct uart_sunsab_port *up, + union sab82532_irq_status *stat, + struct pt_regs *regs) { struct tty_struct *tty = NULL; unsigned char buf[32]; @@ -126,7 +137,7 @@ static void receive_chars(struct uart_sunsab_port *up, if (stat->sreg.isr0 & SAB82532_ISR0_TIME) { sunsab_cec_wait(up); writeb(SAB82532_CMDR_RFRD, &up->regs->w.cmdr); - return; + return tty; } if (stat->sreg.isr0 & SAB82532_ISR0_RFO) @@ -142,22 +153,20 @@ static void receive_chars(struct uart_sunsab_port *up, writeb(SAB82532_CMDR_RMC, &up->regs->w.cmdr); } + /* Count may be zero for BRK, so we check for it here */ + if ((stat->sreg.isr1 & SAB82532_ISR1_BRK) && + (up->port.line == up->port.cons->index)) + saw_console_brk = 1; + for (i = 0; i < count; i++) { - unsigned char ch = buf[i]; + unsigned char ch = buf[i], flag; if (tty == NULL) { uart_handle_sysrq_char(&up->port, ch, regs); continue; } - if (unlikely(tty->flip.count >= TTY_FLIPBUF_SIZE)) { - tty->flip.work.func((void *)tty); - if (tty->flip.count >= TTY_FLIPBUF_SIZE) - return; // if TTY_DONT_FLIP is set - } - - *tty->flip.char_buf_ptr = ch; - *tty->flip.flag_buf_ptr = TTY_NORMAL; + flag = TTY_NORMAL; up->port.icount.rx++; if (unlikely(stat->sreg.isr0 & (SAB82532_ISR0_PERR | @@ -171,8 +180,6 @@ static void receive_chars(struct uart_sunsab_port *up, stat->sreg.isr0 &= ~(SAB82532_ISR0_PERR | SAB82532_ISR0_FERR); up->port.icount.brk++; - if (up->port.line == up->port.cons->index) - saw_console_brk = 1; /* * We do the SysRQ and SAK checking * here because otherwise the break @@ -195,44 +202,31 @@ static void receive_chars(struct uart_sunsab_port *up, stat->sreg.isr1 &= ((up->port.read_status_mask >> 8) & 0xff); if (stat->sreg.isr1 & SAB82532_ISR1_BRK) { - *tty->flip.flag_buf_ptr = TTY_BREAK; + flag = TTY_BREAK; } else if (stat->sreg.isr0 & SAB82532_ISR0_PERR) - *tty->flip.flag_buf_ptr = TTY_PARITY; + flag = TTY_PARITY; else if (stat->sreg.isr0 & SAB82532_ISR0_FERR) - *tty->flip.flag_buf_ptr = TTY_FRAME; + flag = TTY_FRAME; } if (uart_handle_sysrq_char(&up->port, ch, regs)) continue; if ((stat->sreg.isr0 & (up->port.ignore_status_mask & 0xff)) == 0 && - (stat->sreg.isr1 & ((up->port.ignore_status_mask >> 8) & 0xff)) == 0){ - tty->flip.flag_buf_ptr++; - tty->flip.char_buf_ptr++; - tty->flip.count++; - } - if ((stat->sreg.isr0 & SAB82532_ISR0_RFO) && - tty->flip.count < TTY_FLIPBUF_SIZE) { - /* - * Overrun is special, since it's reported - * immediately, and doesn't affect the current - * character. - */ - *tty->flip.flag_buf_ptr = TTY_OVERRUN; - tty->flip.flag_buf_ptr++; - tty->flip.char_buf_ptr++; - tty->flip.count++; - } + (stat->sreg.isr1 & ((up->port.ignore_status_mask >> 8) & 0xff)) == 0) + tty_insert_flip_char(tty, ch, flag); + if (stat->sreg.isr0 & SAB82532_ISR0_RFO) + tty_insert_flip_char(tty, 0, TTY_OVERRUN); } - if (tty) - tty_flip_buffer_push(tty); - if (saw_console_brk) sun_do_break(); + + return tty; } -static void sunsab_stop_tx(struct uart_port *, unsigned int); +static void sunsab_stop_tx(struct uart_port *); +static void sunsab_tx_idle(struct uart_sunsab_port *); static void transmit_chars(struct uart_sunsab_port *up, union sab82532_irq_status *stat) @@ -255,11 +249,11 @@ 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; writeb(up->interrupt_mask1, &up->regs->w.imr1); - uart_write_wakeup(&up->port); return; } @@ -286,7 +280,7 @@ static void transmit_chars(struct uart_sunsab_port *up, uart_write_wakeup(&up->port); if (uart_circ_empty(xmit)) - sunsab_stop_tx(&up->port, 0); + sunsab_stop_tx(&up->port); } static void check_status(struct uart_sunsab_port *up, @@ -311,6 +305,7 @@ static void check_status(struct uart_sunsab_port *up, static irqreturn_t sunsab_interrupt(int irq, void *dev_id, struct pt_regs *regs) { struct uart_sunsab_port *up = dev_id; + struct tty_struct *tty; union sab82532_irq_status status; unsigned long flags; @@ -322,10 +317,12 @@ static irqreturn_t sunsab_interrupt(int irq, void *dev_id, struct pt_regs *regs) if (readb(&up->regs->r.gis) & SAB82532_GIS_ISA1) status.sreg.isr1 = readb(&up->regs->r.isr1); + tty = NULL; if (status.stat) { - if (status.sreg.isr0 & (SAB82532_ISR0_TCD | SAB82532_ISR0_TIME | - SAB82532_ISR0_RFO | SAB82532_ISR0_RPF)) - receive_chars(up, &status, regs); + if ((status.sreg.isr0 & (SAB82532_ISR0_TCD | SAB82532_ISR0_TIME | + SAB82532_ISR0_RFO | SAB82532_ISR0_RPF)) || + (status.sreg.isr1 & SAB82532_ISR1_BRK)) + tty = receive_chars(up, &status, regs); if ((status.sreg.isr0 & SAB82532_ISR0_CDSC) || (status.sreg.isr1 & SAB82532_ISR1_CSC)) check_status(up, &status); @@ -335,6 +332,9 @@ static irqreturn_t sunsab_interrupt(int irq, void *dev_id, struct pt_regs *regs) spin_unlock(&up->port.lock); + if (tty) + tty_flip_buffer_push(tty); + up++; spin_lock(&up->port.lock); @@ -345,10 +345,13 @@ static irqreturn_t sunsab_interrupt(int irq, void *dev_id, struct pt_regs *regs) if (readb(&up->regs->r.gis) & SAB82532_GIS_ISB1) status.sreg.isr1 = readb(&up->regs->r.isr1); + tty = NULL; if (status.stat) { - if (status.sreg.isr0 & (SAB82532_ISR0_TCD | SAB82532_ISR0_TIME | - SAB82532_ISR0_RFO | SAB82532_ISR0_RPF)) - receive_chars(up, &status, regs); + if ((status.sreg.isr0 & (SAB82532_ISR0_TCD | SAB82532_ISR0_TIME | + SAB82532_ISR0_RFO | SAB82532_ISR0_RPF)) || + (status.sreg.isr1 & SAB82532_ISR1_BRK)) + + tty = receive_chars(up, &status, regs); if ((status.sreg.isr0 & SAB82532_ISR0_CDSC) || (status.sreg.isr1 & (SAB82532_ISR1_BRK | SAB82532_ISR1_CSC))) check_status(up, &status); @@ -358,6 +361,9 @@ static irqreturn_t sunsab_interrupt(int irq, void *dev_id, struct pt_regs *regs) spin_unlock_irqrestore(&up->port.lock, flags); + if (tty) + tty_flip_buffer_push(tty); + return IRQ_HANDLED; } @@ -382,35 +388,32 @@ 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. */ +/* port->lock is held by caller and interrupts are disabled. */ static unsigned int sunsab_get_mctrl(struct uart_port *port) { struct uart_sunsab_port *up = (struct uart_sunsab_port *) port; - unsigned long flags; unsigned char val; unsigned int result; result = 0; - spin_lock_irqsave(&up->port.lock, flags); - val = readb(&up->regs->r.pvr); result |= (val & up->pvr_dsr_bit) ? 0 : TIOCM_DSR; @@ -420,13 +423,11 @@ static unsigned int sunsab_get_mctrl(struct uart_port *port) val = readb(&up->regs->r.star); result |= (val & SAB82532_STAR_CTS) ? TIOCM_CTS : 0; - spin_unlock_irqrestore(&up->port.lock, flags); - return result; } /* port->lock held by caller. */ -static void sunsab_stop_tx(struct uart_port *port, unsigned int tty_stop) +static void sunsab_stop_tx(struct uart_port *port) { struct uart_sunsab_port *up = (struct uart_sunsab_port *) port; @@ -435,7 +436,26 @@ static void sunsab_stop_tx(struct uart_port *port, unsigned int tty_stop) } /* port->lock held by caller. */ -static void sunsab_start_tx(struct uart_port *port, unsigned int tty_start) +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) { struct uart_sunsab_port *up = (struct uart_sunsab_port *) port; struct circ_buf *xmit = &up->port.info->xmit; @@ -502,12 +522,16 @@ 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); } @@ -551,8 +575,9 @@ 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); @@ -583,7 +608,6 @@ 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); @@ -594,14 +618,13 @@ 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 @@ -667,9 +690,9 @@ static void calc_ebrg(int baud, int *n_ret, int *m_ret) /* Internal routine, port->lock is held and local interrupts are disabled. */ static void sunsab_convert_to_sab(struct uart_sunsab_port *up, unsigned int cflag, - unsigned int iflag, int baud) + unsigned int iflag, unsigned int baud, + unsigned int quot) { - unsigned int ebrg; unsigned char dafo; int bits, n, m; @@ -698,10 +721,11 @@ 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; @@ -751,35 +775,16 @@ static void sunsab_convert_to_sab(struct uart_sunsab_port *up, unsigned int cfla up->port.ignore_status_mask |= (SAB82532_ISR0_RPF | SAB82532_ISR0_TCD); - /* 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); - - if (cflag & CRTSCTS) { - writeb(readb(&up->regs->rw.mode) & ~SAB82532_MODE_RTS, - &up->regs->rw.mode); - writeb(readb(&up->regs->rw.mode) | SAB82532_MODE_FRTS, - &up->regs->rw.mode); - writeb(readb(&up->regs->rw.mode) & ~SAB82532_MODE_FCTS, - &up->regs->rw.mode); - up->interrupt_mask1 &= ~SAB82532_IMR1_CSC; - writeb(up->interrupt_mask1, &up->regs->w.imr1); - } else { - writeb(readb(&up->regs->rw.mode) | SAB82532_MODE_RTS, - &up->regs->rw.mode); - writeb(readb(&up->regs->rw.mode) & ~SAB82532_MODE_FRTS, - &up->regs->rw.mode); - writeb(readb(&up->regs->rw.mode) | SAB82532_MODE_FCTS, - &up->regs->rw.mode); - up->interrupt_mask1 |= SAB82532_IMR1_CSC; - writeb(up->interrupt_mask1, &up->regs->w.imr1); - } - writeb(readb(&up->regs->rw.mode) | SAB82532_MODE_RAC, &up->regs->rw.mode); + uart_update_timeout(&up->port, cflag, + (up->port.uartclk / (16 * quot))); + /* 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. */ @@ -788,10 +793,11 @@ static void sunsab_set_termios(struct uart_port *port, struct termios *termios, { struct uart_sunsab_port *up = (struct uart_sunsab_port *) port; unsigned long flags; - int baud = uart_get_baud_rate(port, termios, old, 0, 4000000); + unsigned int baud = uart_get_baud_rate(port, termios, old, 0, 4000000); + unsigned int quot = uart_get_divisor(port, baud); spin_lock_irqsave(&up->port.lock, flags); - sunsab_convert_to_sab(up, termios->c_cflag, termios->c_iflag, baud); + sunsab_convert_to_sab(up, termios->c_cflag, termios->c_iflag, baud, quot); spin_unlock_irqrestore(&up->port.lock, flags); } @@ -855,8 +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); @@ -870,13 +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); } @@ -884,16 +886,13 @@ static int sunsab_console_setup(struct console *con, char *options) { struct uart_sunsab_port *up = &sunsab_ports[con->index]; unsigned long flags; - int baud; + unsigned int baud, quot; printk("Console: ttyS%d (SAB82532)\n", (sunsab_reg.minor - 64) + con->index); sunserial_console_termios(con); - /* Firmware console speed is limited to 150-->38400 baud so - * this hackish cflag thing is OK. - */ switch (con->cflag & CBAUD) { case B150: baud = 150; break; case B300: baud = 300; break; @@ -904,6 +903,10 @@ static int sunsab_console_setup(struct console *con, char *options) default: case B9600: baud = 9600; break; case B19200: baud = 19200; break; case B38400: baud = 38400; break; + case B57600: baud = 57600; break; + case B115200: baud = 115200; break; + case B230400: baud = 230400; break; + case B460800: baud = 460800; break; }; /* @@ -930,7 +933,9 @@ static int sunsab_console_setup(struct console *con, char *options) SAB82532_IMR1_XPR; writeb(up->interrupt_mask1, &up->regs->w.imr1); - sunsab_convert_to_sab(up, con->cflag, 0, baud); + quot = uart_get_divisor(&up->port, baud); + sunsab_convert_to_sab(up, con->cflag, 0, baud, quot); + sunsab_set_mctrl(&up->port, TIOCM_DTR | TIOCM_RTS); spin_unlock_irqrestore(&up->port.lock, flags); @@ -946,14 +951,13 @@ static struct console sunsab_console = { .index = -1, .data = &sunsab_reg, }; -#define SUNSAB_CONSOLE (&sunsab_console) -static void __init sunsab_console_init(void) +static inline struct console *SUNSAB_CONSOLE(void) { int i; if (con_is_present()) - return; + return NULL; for (i = 0; i < num_channels; i++) { int this_minor = sunsab_reg.minor + i; @@ -962,13 +966,14 @@ static void __init sunsab_console_init(void) break; } if (i == num_channels) - return; + return NULL; sunsab_console.index = i; - register_console(&sunsab_console); + + return &sunsab_console; } #else -#define SUNSAB_CONSOLE (NULL) +#define SUNSAB_CONSOLE() (NULL) #define sunsab_console_init() do { } while (0) #endif @@ -1027,7 +1032,7 @@ static void __init sab_attach_callback(struct linux_ebus_device *edev, void *arg up->port.irq = edev->irqs[0]; up->port.fifosize = SAB82532_XMIT_FIFO_SIZE; up->port.mapbase = (unsigned long)up->regs; - up->port.iotype = SERIAL_IO_MEM; + up->port.iotype = UPIO_MEM; writeb(SAB82532_IPC_IC_ACT_LOW, &up->regs->w.ipc); @@ -1081,11 +1086,13 @@ 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; @@ -1113,7 +1120,6 @@ static int __init sunsab_init(void) sunsab_reg.minor = sunserial_current_minor; sunsab_reg.nr = num_channels; - sunsab_reg.cons = SUNSAB_CONSOLE; ret = uart_register_driver(&sunsab_reg); if (ret < 0) { @@ -1132,6 +1138,10 @@ static int __init sunsab_init(void) return ret; } + sunsab_reg.tty_driver->name_base = sunsab_reg.minor - 64; + + sunsab_reg.cons = SUNSAB_CONSOLE(); + sunserial_current_minor += num_channels; for (i = 0; i < num_channels; i++) { @@ -1140,8 +1150,6 @@ static int __init sunsab_init(void) uart_add_one_port(&sunsab_reg, &up->port); } - sunsab_console_init(); - return 0; }