X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fchar%2Fcyclades.c;h=c1c67281750da61ef1750706bb8351e780cb3e43;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=6a5337bf09368dbd74f0202559e96bcff5067c9b;hpb=6a77f38946aaee1cd85eeec6cf4229b204c15071;p=linux-2.6.git diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index 6a5337bf0..c1c672817 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -281,7 +281,7 @@ static char rcsid[] = * make sure "cyc" appears in all kernel messages; all soft interrupts * handled by same routine; recognize out-of-band reception; comment * out some diagnostic messages; leave RTS/CTS flow control to hardware; - * fix race condition in -Z buffer management; only -Y needs to explictly + * fix race condition in -Z buffer management; only -Y needs to explicitly * flush chars; tidy up some startup messages; * * Revision 1.36.4.18 1996/07/25 18:57:31 bentson @@ -633,7 +633,6 @@ static char rcsid[] = /* * Include section */ -#include #include #include #include @@ -641,6 +640,7 @@ static char rcsid[] = #include #include #include +#include #include #include #include @@ -723,7 +723,7 @@ static unsigned int cy_isa_addresses[] = { 0xDE000, 0,0,0,0,0,0,0,0 }; -#define NR_ISA_ADDRS (sizeof(cy_isa_addresses)/sizeof(unsigned char*)) +#define NR_ISA_ADDRS ARRAY_SIZE(cy_isa_addresses) #ifdef MODULE static long maddr[NR_CARDS] = { 0, }; @@ -865,7 +865,7 @@ static void cyz_poll(unsigned long); static long cyz_polling_cycle = CZ_DEF_POLL; static int cyz_timeron = 0; -static struct timer_list cyz_timerlist = TIMER_INITIALIZER(cyz_poll, 0, 0); +static DEFINE_TIMER(cyz_timerlist, cyz_poll, 0, 0); #else /* CONFIG_CYZ_INTR */ static void cyz_rx_restart(unsigned long); @@ -1086,7 +1086,7 @@ cyy_interrupt(int irq, void *dev_id, struct pt_regs *regs) int had_work; int mdm_change; int mdm_status; - + int len; if((cinfo = (struct cyclades_card *)dev_id) == 0){ #ifdef CY_DEBUG_INTERRUPTS printk("cyy_interrupt: spurious interrupt %d\n\r", irq); @@ -1163,63 +1163,43 @@ cyy_interrupt(int irq, void *dev_id, struct pt_regs *regs) info->icount.rx++; continue; } - if (tty->flip.count < TTY_FLIPBUF_SIZE){ - tty->flip.count++; + if (tty_buffer_request_room(tty, 1)) { if (data & info->read_status_mask){ if(data & CyBREAK){ - *tty->flip.flag_buf_ptr++ = - TTY_BREAK; - *tty->flip.char_buf_ptr++ = - cy_readb(base_addr+(CyRDSR<icount.rx++; if (info->flags & ASYNC_SAK){ do_SAK(tty); } }else if(data & CyFRAME){ - *tty->flip.flag_buf_ptr++ = - TTY_FRAME; - *tty->flip.char_buf_ptr++ = - cy_readb(base_addr+(CyRDSR<icount.rx++; info->idle_stats.frame_errs++; }else if(data & CyPARITY){ - *tty->flip.flag_buf_ptr++ = - TTY_PARITY; - *tty->flip.char_buf_ptr++ = - cy_readb(base_addr+(CyRDSR<icount.rx++; info->idle_stats.parity_errs++; }else if(data & CyOVERRUN){ - *tty->flip.flag_buf_ptr++ = - TTY_OVERRUN; - *tty->flip.char_buf_ptr++ = 0; + tty_insert_flip_char(tty, 0, TTY_OVERRUN); info->icount.rx++; /* If the flip buffer itself is overflowing, we still lose the next incoming character. */ - if(tty->flip.count - < TTY_FLIPBUF_SIZE){ - tty->flip.count++; - *tty->flip.flag_buf_ptr++ = - TTY_NORMAL; - *tty->flip.char_buf_ptr++ = - cy_readb(base_addr+(CyRDSR<icount.rx++; - } + tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<icount.rx++; info->idle_stats.overruns++; /* These two conditions may imply */ /* a normal read should be done. */ /* }else if(data & CyTIMEOUT){ */ /* }else if(data & CySPECHAR){ */ - }else{ - *tty->flip.flag_buf_ptr++ = 0; - *tty->flip.char_buf_ptr++ = 0; - info->icount.rx++; + }else { + tty_insert_flip_char(tty, 0, TTY_NORMAL); + info->icount.rx++; } }else{ - *tty->flip.flag_buf_ptr++ = 0; - *tty->flip.char_buf_ptr++ = 0; + tty_insert_flip_char(tty, 0, TTY_NORMAL); info->icount.rx++; } }else{ @@ -1240,14 +1220,10 @@ cyy_interrupt(int irq, void *dev_id, struct pt_regs *regs) info->mon.char_max = char_count; info->mon.char_last = char_count; #endif - while(char_count--){ - if (tty->flip.count >= TTY_FLIPBUF_SIZE){ - break; - } - tty->flip.count++; + len = tty_buffer_request_room(tty, char_count); + while(len--){ data = cy_readb(base_addr+(CyRDSR<flip.flag_buf_ptr++ = TTY_NORMAL; - *tty->flip.char_buf_ptr++ = data; + tty_insert_flip_char(tty, data, TTY_NORMAL); info->idle_stats.recv_bytes++; info->icount.rx++; #ifdef CY_16Y_HACK @@ -1256,7 +1232,7 @@ cyy_interrupt(int irq, void *dev_id, struct pt_regs *regs) } info->idle_stats.recv_idle = jiffies; } - schedule_delayed_work(&tty->flip.work, 1); + tty_schedule_flip(tty); } /* end of service */ cy_writeb(base_addr+(CyRIR<card]; struct tty_struct *tty = info->tty; volatile int char_count; + int len; #ifdef BLOCKMOVE int small_count; #else @@ -1606,18 +1583,11 @@ cyz_handle_rx(struct cyclades_port *info, tty->flip.count += small_count; } #else - while(char_count--){ - if (tty->flip.count >= N_TTY_BUF_SIZE - tty->read_cnt) - break; - - if (tty->flip.count >= TTY_FLIPBUF_SIZE) - break; - + len = tty_buffer_request_room(tty, char_count); + while(len--){ data = cy_readb(cinfo->base_addr + rx_bufaddr + new_rx_get); new_rx_get = (new_rx_get + 1) & (rx_bufsize - 1); - tty->flip.count++; - *tty->flip.flag_buf_ptr++ = TTY_NORMAL; - *tty->flip.char_buf_ptr++ = data; + tty_insert_flip_char(tty, data, TTY_NORMAL); info->idle_stats.recv_bytes++; info->icount.rx++; } @@ -1635,7 +1605,7 @@ cyz_handle_rx(struct cyclades_port *info, } #endif info->idle_stats.recv_idle = jiffies; - schedule_delayed_work(&tty->flip.work, 1); + tty_schedule_flip(tty); } /* Update rx_get */ cy_writel(&buf_ctrl->rx_get, new_rx_get); @@ -1763,23 +1733,17 @@ cyz_handle_cmd(struct cyclades_card *cinfo) switch(cmd) { case C_CM_PR_ERROR: - tty->flip.count++; - *tty->flip.flag_buf_ptr++ = TTY_PARITY; - *tty->flip.char_buf_ptr++ = 0; + tty_insert_flip_char(tty, 0, TTY_PARITY); info->icount.rx++; special_count++; break; case C_CM_FR_ERROR: - tty->flip.count++; - *tty->flip.flag_buf_ptr++ = TTY_FRAME; - *tty->flip.char_buf_ptr++ = 0; + tty_insert_flip_char(tty, 0, TTY_FRAME); info->icount.rx++; special_count++; break; case C_CM_RXBRK: - tty->flip.count++; - *tty->flip.flag_buf_ptr++ = TTY_BREAK; - *tty->flip.char_buf_ptr++ = 0; + tty_insert_flip_char(tty, 0, TTY_BREAK); info->icount.rx++; special_count++; break; @@ -1844,7 +1808,7 @@ cyz_handle_cmd(struct cyclades_card *cinfo) if(delta_count) cy_sched_event(info, Cy_EVENT_DELTA_WAKEUP); if(special_count) - schedule_delayed_work(&tty->flip.work, 1); + tty_schedule_flip(tty); } } @@ -2868,9 +2832,8 @@ cy_write(struct tty_struct * tty, const unsigned char *buf, int count) return 0; } - if (!tty || !info->xmit_buf || !tmp_buf){ - return 0; - } + if (!info->xmit_buf || !tmp_buf) + return 0; CY_LOCK(info, flags); while (1) { @@ -2919,7 +2882,7 @@ cy_put_char(struct tty_struct *tty, unsigned char ch) if (serial_paranoia_check(info, tty->name, "cy_put_char")) return; - if (!tty || !info->xmit_buf) + if (!info->xmit_buf) return; CY_LOCK(info, flags); @@ -4649,7 +4612,7 @@ cy_detect_isa(void) /* allocate IRQ */ if(request_irq(cy_isa_irq, cyy_interrupt, - SA_INTERRUPT, "Cyclom-Y", &cy_card[j])) + IRQF_DISABLED, "Cyclom-Y", &cy_card[j])) { printk("Cyclom-Y/ISA found at 0x%lx ", (unsigned long) cy_isa_address); @@ -4822,7 +4785,7 @@ cy_detect_pci(void) /* allocate IRQ */ if(request_irq(cy_pci_irq, cyy_interrupt, - SA_SHIRQ, "Cyclom-Y", &cy_card[j])) + IRQF_SHARED, "Cyclom-Y", &cy_card[j])) { printk("Cyclom-Y/PCI found at 0x%lx ", (ulong) cy_pci_phys2); @@ -5002,7 +4965,7 @@ cy_detect_pci(void) /* allocate IRQ only if board has an IRQ */ if( (cy_pci_irq != 0) && (cy_pci_irq != 255) ) { if(request_irq(cy_pci_irq, cyz_interrupt, - SA_SHIRQ, "Cyclades-Z", &cy_card[j])) + IRQF_SHARED, "Cyclades-Z", &cy_card[j])) { printk("Cyclom-8Zo/PCI found at 0x%lx ", (ulong) cy_pci_phys2); @@ -5096,7 +5059,7 @@ cy_detect_pci(void) /* allocate IRQ only if board has an IRQ */ if( (cy_pci_irq != 0) && (cy_pci_irq != 255) ) { if(request_irq(cy_pci_irq, cyz_interrupt, - SA_SHIRQ, "Cyclades-Z", &cy_card[j])) + IRQF_SHARED, "Cyclades-Z", &cy_card[j])) { printk("Cyclom-Ze/PCI found at 0x%lx ", (ulong) cy_pci_phys2); @@ -5286,7 +5249,6 @@ cy_init(void) cy_serial_driver->owner = THIS_MODULE; cy_serial_driver->driver_name = "cyclades"; cy_serial_driver->name = "ttyC"; - cy_serial_driver->devfs_name = "tts/C"; cy_serial_driver->major = CYCLADES_MAJOR; cy_serial_driver->minor_start = 0; cy_serial_driver->type = TTY_DRIVER_TYPE_SERIAL;