diff options
Diffstat (limited to 'drivers/staging/dgap/dgap.c')
| -rw-r--r-- | drivers/staging/dgap/dgap.c | 650 |
1 files changed, 259 insertions, 391 deletions
diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c index 06c55cb57090..d0be1cebf5a9 100644 --- a/drivers/staging/dgap/dgap.c +++ b/drivers/staging/dgap/dgap.c @@ -41,6 +41,8 @@ */ #undef DIGI_CONCENTRATORS_SUPPORTED +#define pr_fmt(fmt) "dgap: " fmt + #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> @@ -86,7 +88,8 @@ static int dgap_block_til_ready(struct tty_struct *tty, struct file *file, struct channel_t *ch); static int dgap_tty_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg); -static int dgap_tty_digigeta(struct channel_t *ch, struct digi_t __user *retinfo); +static int dgap_tty_digigeta(struct channel_t *ch, + struct digi_t __user *retinfo); static int dgap_tty_digiseta(struct channel_t *ch, struct board_t *bd, struct un_t *un, struct digi_t __user *new_info); static int dgap_tty_digigetedelay(struct tty_struct *tty, int __user *retinfo); @@ -102,8 +105,9 @@ static void dgap_tty_flush_chars(struct tty_struct *tty); static void dgap_tty_flush_buffer(struct tty_struct *tty); static void dgap_tty_hangup(struct tty_struct *tty); static int dgap_wait_for_drain(struct tty_struct *tty); -static int dgap_set_modem_info(struct channel_t *ch, struct board_t *bd, struct un_t *un, - unsigned int command, unsigned int __user *value); +static int dgap_set_modem_info(struct channel_t *ch, struct board_t *bd, + struct un_t *un, unsigned int command, + unsigned int __user *value); static int dgap_get_modem_info(struct channel_t *ch, unsigned int __user *value); static int dgap_tty_digisetcustombaud(struct channel_t *ch, struct board_t *bd, @@ -153,17 +157,10 @@ static void dgap_firmware_reset_port(struct channel_t *ch); static int dgap_gettok(char **in); static char *dgap_getword(char **in); static int dgap_checknode(struct cnode *p); -static void dgap_err(char *s); /* * Function prototypes from dgap_sysfs.h */ -struct board_t; -struct channel_t; -struct un_t; -struct pci_driver; -struct class_device; - static void dgap_create_ports_sysfiles(struct board_t *bd); static void dgap_remove_ports_sysfiles(struct board_t *bd); @@ -183,7 +180,6 @@ static char *dgap_create_config_string(struct board_t *bd, char *string); static uint dgap_config_get_useintr(struct board_t *bd); static uint dgap_config_get_altpin(struct board_t *bd); -static int dgap_ms_sleep(ulong ms); static void dgap_do_bios_load(struct board_t *brd, const u8 *ubios, int len); static void dgap_do_fep_load(struct board_t *brd, const u8 *ufep, int len); #ifdef DIGI_CONCENTRATORS_SUPPORTED @@ -201,6 +197,7 @@ static int dgap_test_fep(struct board_t *brd); static int dgap_tty_register_ports(struct board_t *brd); static int dgap_firmware_load(struct pci_dev *pdev, int card_type, struct board_t *brd); +static void dgap_cleanup_nodes(void); static void dgap_cleanup_module(void); @@ -404,10 +401,7 @@ struct toklist { char *string; }; -static struct toklist dgap_tlist[] = { - { BEGIN, "config_begin" }, - { END, "config_end" }, - { BOARD, "board" }, +static struct toklist dgap_brdtype[] = { { PCX, "Digi_AccelePort_C/X_PCI" }, { PEPC, "Digi_AccelePort_EPC/X_PCI" }, { PPCM, "Digi_AccelePort_Xem_PCI" }, @@ -416,6 +410,13 @@ static struct toklist dgap_tlist[] = { { APORT8_920P, "Digi_AccelePort_8r_920_PCI" }, { PAPORT4, "Digi_AccelePort_4r_PCI(EIA-232/RS-422)" }, { PAPORT8, "Digi_AccelePort_8r_PCI(EIA-232/RS-422)" }, + { 0, NULL } +}; + +static struct toklist dgap_tlist[] = { + { BEGIN, "config_begin" }, + { END, "config_end" }, + { BOARD, "board" }, { IO, "io" }, { PCIINFO, "pciinfo" }, { LINE, "line" }, @@ -619,6 +620,7 @@ unregister_tty: free_flipbuf: dgap_free_flipbuf(brd); cleanup_brd: + dgap_cleanup_nodes(); dgap_release_remap(brd); kfree(brd); @@ -659,6 +661,8 @@ static void dgap_cleanup_module(void) dgap_cleanup_board(dgap_board[i]); } + dgap_cleanup_nodes(); + if (dgap_numboards) pci_unregister_driver(&dgap_driver); } @@ -679,17 +683,7 @@ static void dgap_cleanup_board(struct board_t *brd) tasklet_kill(&brd->helper_tasklet); - if (brd->re_map_port) { - release_mem_region(brd->membase + 0x200000, 0x200000); - iounmap(brd->re_map_port); - brd->re_map_port = NULL; - } - - if (brd->re_map_membase) { - release_mem_region(brd->membase, 0x200000); - iounmap(brd->re_map_membase); - brd->re_map_membase = NULL; - } + dgap_release_remap(brd); /* Free all allocated channels structs */ for (i = 0; i < MAXPORTS ; i++) @@ -738,7 +732,6 @@ static struct board_t *dgap_found_board(struct pci_dev *pdev, int id, spin_lock_init(&brd->bd_lock); - brd->runwait = 0; brd->inhibit_poller = FALSE; brd->wait_for_bios = 0; brd->wait_for_fep = 0; @@ -834,23 +827,16 @@ static int dgap_request_irq(struct board_t *brd) if (!brd || brd->magic != DGAP_BOARD_MAGIC) return -ENODEV; - brd->use_interrupts = dgap_config_get_useintr(brd); - /* * Set up our interrupt handler if we are set to do interrupts. */ - if (brd->use_interrupts && brd->irq) { + if (dgap_config_get_useintr(brd) && brd->irq) { rc = request_irq(brd->irq, dgap_intr, IRQF_SHARED, "DGAP", brd); - if (rc) - brd->intr_used = 0; - else + if (!rc) brd->intr_used = 1; - } else { - brd->intr_used = 0; } - return 0; } @@ -875,7 +861,7 @@ static int dgap_firmware_load(struct pci_dev *pdev, int card_type, ret = request_firmware(&fw, fw_info[card_type].conf_name, &pdev->dev); if (ret) { - pr_err("dgap: config file %s not found\n", + dev_err(&pdev->dev, "config file %s not found\n", fw_info[card_type].conf_name); return ret; } @@ -920,7 +906,7 @@ static int dgap_firmware_load(struct pci_dev *pdev, int card_type, dgap_find_config(PAPORT4, brd->pci_bus, brd->pci_slot); if (!brd->bd_config) { - pr_err("dgap: No valid configuration found\n"); + dev_err(&pdev->dev, "No valid configuration found\n"); return -EINVAL; } @@ -928,7 +914,7 @@ static int dgap_firmware_load(struct pci_dev *pdev, int card_type, ret = request_firmware(&fw, fw_info[card_type].bios_name, &pdev->dev); if (ret) { - pr_err("dgap: bios file %s not found\n", + dev_err(&pdev->dev, "bios file %s not found\n", fw_info[card_type].bios_name); return ret; } @@ -945,7 +931,7 @@ static int dgap_firmware_load(struct pci_dev *pdev, int card_type, ret = request_firmware(&fw, fw_info[card_type].fep_name, &pdev->dev); if (ret) { - pr_err("dgap: fep file %s not found\n", + dev_err(&pdev->dev, "dgap: fep file %s not found\n", fw_info[card_type].fep_name); return ret; } @@ -974,7 +960,7 @@ static int dgap_firmware_load(struct pci_dev *pdev, int card_type, ret = request_firmware(&fw, fw_info[card_type].con_name, &pdev->dev); if (ret) { - pr_err("dgap: conc file %s not found\n", + dev_err(&pdev->dev, "conc file %s not found\n", fw_info[card_type].con_name); return ret; } @@ -1027,9 +1013,15 @@ static int dgap_do_remap(struct board_t *brd) static void dgap_release_remap(struct board_t *brd) { - release_mem_region(brd->membase, 0x200000); - release_mem_region(brd->membase + PCI_IO_OFFSET, 0x200000); - iounmap(brd->re_map_membase); + if (brd->re_map_membase) { + release_mem_region(brd->membase, 0x200000); + iounmap(brd->re_map_membase); + } + + if (brd->re_map_port) { + release_mem_region(brd->membase + PCI_IO_OFFSET, 0x200000); + iounmap(brd->re_map_port); + } } /***************************************************************************** * @@ -1202,26 +1194,6 @@ static void dgap_init_globals(void) /************************************************************************ * - * Utility functions - * - ************************************************************************/ - -/* - * dgap_ms_sleep() - * - * Put the driver to sleep for x ms's - * - * Returns 0 if timed out, !0 (showing signal) if interrupted by a signal. - */ -static int dgap_ms_sleep(ulong ms) -{ - current->state = TASK_INTERRUPTIBLE; - schedule_timeout((ms * HZ) / 1000); - return signal_pending(current); -} - -/************************************************************************ - * * TTY Initialization/Cleanup Functions * ************************************************************************/ @@ -1316,11 +1288,9 @@ static int dgap_tty_register(struct board_t *brd) if (rc < 0) goto unregister_serial_drv; - brd->dgap_major_serial_registered = TRUE; dgap_boards_by_major[brd->serial_driver->major] = brd; brd->dgap_serial_major = brd->serial_driver->major; - brd->dgap_major_transparent_print_registered = TRUE; dgap_boards_by_major[brd->print_driver->major] = brd; brd->dgap_transparent_print_major = brd->print_driver->major; @@ -1378,19 +1348,17 @@ static int dgap_tty_init(struct board_t *brd) brd->nasync = brd->maxports; if (true_count != brd->nasync) { - if ((brd->type == PPCM) && (true_count == 64)) { - pr_warn("dgap: %s configured for %d ports, has %d ports.\n", - brd->name, brd->nasync, true_count); - pr_warn("dgap: Please make SURE the EBI cable running from the card\n"); - pr_warn("dgap: to each EM module is plugged into EBI IN!\n"); - } else if ((brd->type == PPCM) && (true_count == 0)) { - pr_warn("dgap: %s configured for %d ports, has %d ports.\n", - brd->name, brd->nasync, true_count); - pr_warn("dgap: Please make SURE the EBI cable running from the card\n"); - pr_warn("dgap: to each EM module is plugged into EBI IN!\n"); - } else - pr_warn("dgap: %s configured for %d ports, has %d ports.\n", - brd->name, brd->nasync, true_count); + dev_warn(&brd->pdev->dev, + "%s configured for %d ports, has %d ports.\n", + brd->name, brd->nasync, true_count); + + if ((brd->type == PPCM) && + (true_count == 64 || true_count == 0)) { + dev_warn(&brd->pdev->dev, + "Please make SURE the EBI cable running from the card\n"); + dev_warn(&brd->pdev->dev, + "to each EM module is plugged into EBI IN!\n"); + } brd->nasync = true_count; @@ -1468,9 +1436,6 @@ static int dgap_tty_init(struct board_t *brd) ch->ch_tstart = 0; ch->ch_rstart = 0; - /* .25 second delay */ - ch->ch_close_delay = 250; - /* * Set queue water marks, interrupt mask, * and general tty parameters. @@ -1540,35 +1505,29 @@ static void dgap_cleanup_tty(struct board_t *brd) struct device *dev; int i; - if (brd->dgap_major_serial_registered) { - dgap_boards_by_major[brd->serial_driver->major] = NULL; - brd->dgap_serial_major = 0; - for (i = 0; i < brd->nasync; i++) { - tty_port_destroy(&brd->serial_ports[i]); - dev = brd->channels[i]->ch_tun.un_sysfs; - dgap_remove_tty_sysfs(dev); - tty_unregister_device(brd->serial_driver, i); - } - tty_unregister_driver(brd->serial_driver); - put_tty_driver(brd->serial_driver); - kfree(brd->serial_ports); - brd->dgap_major_serial_registered = FALSE; - } - - if (brd->dgap_major_transparent_print_registered) { - dgap_boards_by_major[brd->print_driver->major] = NULL; - brd->dgap_transparent_print_major = 0; - for (i = 0; i < brd->nasync; i++) { - tty_port_destroy(&brd->printer_ports[i]); - dev = brd->channels[i]->ch_pun.un_sysfs; - dgap_remove_tty_sysfs(dev); - tty_unregister_device(brd->print_driver, i); - } - tty_unregister_driver(brd->print_driver); - put_tty_driver(brd->print_driver); - kfree(brd->printer_ports); - brd->dgap_major_transparent_print_registered = FALSE; + dgap_boards_by_major[brd->serial_driver->major] = NULL; + brd->dgap_serial_major = 0; + for (i = 0; i < brd->nasync; i++) { + tty_port_destroy(&brd->serial_ports[i]); + dev = brd->channels[i]->ch_tun.un_sysfs; + dgap_remove_tty_sysfs(dev); + tty_unregister_device(brd->serial_driver, i); + } + tty_unregister_driver(brd->serial_driver); + put_tty_driver(brd->serial_driver); + kfree(brd->serial_ports); + + dgap_boards_by_major[brd->print_driver->major] = NULL; + brd->dgap_transparent_print_major = 0; + for (i = 0; i < brd->nasync; i++) { + tty_port_destroy(&brd->printer_ports[i]); + dev = brd->channels[i]->ch_pun.un_sysfs; + dgap_remove_tty_sysfs(dev); + tty_unregister_device(brd->print_driver, i); } + tty_unregister_driver(brd->print_driver); + put_tty_driver(brd->print_driver); + kfree(brd->printer_ports); } /*======================================================================= @@ -2309,12 +2268,13 @@ static void dgap_tty_close(struct tty_struct *tty, struct file *file) * Go to sleep to ensure RTS/DTR * have been dropped for modems to see it. */ - if (ch->ch_close_delay) { - spin_unlock_irqrestore(&ch->ch_lock, - lock_flags); - dgap_ms_sleep(ch->ch_close_delay); - spin_lock_irqsave(&ch->ch_lock, lock_flags); - } + spin_unlock_irqrestore(&ch->ch_lock, + lock_flags); + + /* .25 second delay for dropping RTS/DTR */ + schedule_timeout_interruptible(msecs_to_jiffies(250)); + + spin_lock_irqsave(&ch->ch_lock, lock_flags); } ch->pscan_state = 0; @@ -3090,8 +3050,9 @@ static int dgap_get_modem_info(struct channel_t *ch, unsigned int __user *value) * * Set modem signals, called by ld. */ -static int dgap_set_modem_info(struct channel_t *ch, struct board_t *bd, struct un_t *un, - unsigned int command, unsigned int __user *value) +static int dgap_set_modem_info(struct channel_t *ch, struct board_t *bd, + struct un_t *un, unsigned int command, + unsigned int __user *value) { int ret; unsigned int arg; @@ -3167,7 +3128,8 @@ static int dgap_set_modem_info(struct channel_t *ch, struct board_t *bd, struct * * */ -static int dgap_tty_digigeta(struct channel_t *ch, struct digi_t __user *retinfo) +static int dgap_tty_digigeta(struct channel_t *ch, + struct digi_t __user *retinfo) { struct digi_t tmp; ulong lock_flags; @@ -4215,7 +4177,7 @@ static int dgap_test_bios(struct board_t *brd) /* Gave up on board after too long of time taken */ err1 = readw(addr + SEQUENCE); err2 = readw(addr + ERROR); - pr_warn("dgap: %s failed diagnostics. Error #(%x,%x).\n", + dev_warn(&brd->pdev->dev, "%s failed diagnostics. Error #(%x,%x).\n", brd->name, err1, err2); brd->state = BOARD_FAILED; brd->dpastatus = BD_NOBIOS; @@ -4310,8 +4272,9 @@ static int dgap_test_fep(struct board_t *brd) /* Gave up on board after too long of time taken */ err1 = readw(addr + SEQUENCE); err2 = readw(addr + ERROR); - pr_warn("dgap: FEPOS for %s not functioning. Error #(%x,%x).\n", - brd->name, err1, err2); + dev_warn(&brd->pdev->dev, + "FEPOS for %s not functioning. Error #(%x,%x).\n", + brd->name, err1, err2); brd->state = BOARD_FAILED; brd->dpastatus = BD_NOFEP; @@ -4343,7 +4306,8 @@ static void dgap_do_reset_board(struct board_t *brd) } if (i > 1000) { - pr_warn("dgap: Board not resetting... Failing board.\n"); + dev_warn(&brd->pdev->dev, + "dgap: Board not resetting... Failing board.\n"); brd->state = BOARD_FAILED; brd->dpastatus = BD_NOFEP; return; @@ -4358,8 +4322,9 @@ static void dgap_do_reset_board(struct board_t *brd) check2 = readl(brd->re_map_membase + HIGHMEM); if ((check1 != 0xa55a3cc3) || (check2 != 0x5aa5c33c)) { - pr_warn("dgap: No memory at %p for board.\n", - brd->re_map_membase); + dev_warn(&brd->pdev->dev, + "No memory at %p for board.\n", + brd->re_map_membase); brd->state = BOARD_FAILED; brd->dpastatus = BD_NOFEP; return; @@ -6323,6 +6288,54 @@ static void dgap_remove_tty_sysfs(struct device *c) sysfs_remove_group(&c->kobj, &dgap_tty_attribute_group); } +static void dgap_cleanup_nodes(void) +{ + struct cnode *p; + + p = &dgap_head; + + while (p) { + struct cnode *tmp = p->next; + + if (p->type == NULLNODE) { + p = tmp; + continue; + } + + switch (p->type) { + case BNODE: + kfree(p->u.board.portstr); + kfree(p->u.board.addrstr); + kfree(p->u.board.pcibusstr); + kfree(p->u.board.pcislotstr); + kfree(p->u.board.method); + break; + case CNODE: + kfree(p->u.conc.id); + kfree(p->u.conc.connect); + break; + case MNODE: + kfree(p->u.module.id); + break; + case TNODE: + kfree(p->u.ttyname); + break; + case CUNODE: + kfree(p->u.cuname); + break; + case LNODE: + kfree(p->u.line.cable); + break; + case PNODE: + kfree(p->u.printname); + break; + } + + kfree(p->u.board.status); + kfree(p); + p = tmp; + } +} /* * Parse a configuration file read into memory as a string. */ @@ -6343,21 +6356,25 @@ static int dgap_parsefile(char **in) /* file must start with a BEGIN */ while ((rc = dgap_gettok(in)) != BEGIN) { if (rc == 0) { - dgap_err("unexpected EOF"); + pr_err("unexpected EOF"); return -1; } } for (; ;) { + int board_type = 0; + int conc_type = 0; + int module_type = 0; + rc = dgap_gettok(in); if (rc == 0) { - dgap_err("unexpected EOF"); + pr_err("unexpected EOF"); return -1; } switch (rc) { case BEGIN: /* should only be 1 begin */ - dgap_err("unexpected config_begin\n"); + pr_err("unexpected config_begin\n"); return -1; case END: @@ -6368,10 +6385,9 @@ static int dgap_parsefile(char **in) return -1; p->next = kzalloc(sizeof(struct cnode), GFP_KERNEL); - if (!p->next) { - dgap_err("out of memory"); + if (!p->next) return -1; - } + p = p->next; p->type = BNODE; @@ -6379,103 +6395,30 @@ static int dgap_parsefile(char **in) line = conc = NULL; brd = p; linecnt = -1; - break; - - case APORT2_920P: /* AccelePort_4 */ - if (p->type != BNODE) { - dgap_err("unexpected Digi_2r_920 string"); - return -1; - } - p->u.board.type = APORT2_920P; - p->u.board.v_type = 1; - break; - case APORT4_920P: /* AccelePort_4 */ - if (p->type != BNODE) { - dgap_err("unexpected Digi_4r_920 string"); + board_type = dgap_gettok(in); + if (board_type == 0) { + pr_err("board !!type not specified"); return -1; } - p->u.board.type = APORT4_920P; - p->u.board.v_type = 1; - break; - case APORT8_920P: /* AccelePort_8 */ - if (p->type != BNODE) { - dgap_err("unexpected Digi_8r_920 string"); - return -1; - } - p->u.board.type = APORT8_920P; - p->u.board.v_type = 1; - break; + p->u.board.type = board_type; - case PAPORT4: /* AccelePort_4 PCI */ - if (p->type != BNODE) { - dgap_err("unexpected Digi_4r(PCI) string"); - return -1; - } - p->u.board.type = PAPORT4; - p->u.board.v_type = 1; - break; - - case PAPORT8: /* AccelePort_8 PCI */ - if (p->type != BNODE) { - dgap_err("unexpected Digi_8r string"); - return -1; - } - p->u.board.type = PAPORT8; - p->u.board.v_type = 1; - break; - - case PCX: /* PCI C/X */ - if (p->type != BNODE) { - dgap_err("unexpected Digi_C/X_(PCI) string"); - return -1; - } - p->u.board.type = PCX; - p->u.board.v_type = 1; - p->u.board.conc1 = 0; - p->u.board.conc2 = 0; - p->u.board.module1 = 0; - p->u.board.module2 = 0; - break; - - case PEPC: /* PCI EPC/X */ - if (p->type != BNODE) { - dgap_err("unexpected \"Digi_EPC/X_(PCI)\" string"); - return -1; - } - p->u.board.type = PEPC; - p->u.board.v_type = 1; - p->u.board.conc1 = 0; - p->u.board.conc2 = 0; - p->u.board.module1 = 0; - p->u.board.module2 = 0; - break; - - case PPCM: /* PCI/Xem */ - if (p->type != BNODE) { - dgap_err("unexpected PCI/Xem string"); - return -1; - } - p->u.board.type = PPCM; - p->u.board.v_type = 1; - p->u.board.conc1 = 0; - p->u.board.conc2 = 0; break; case IO: /* i/o port */ if (p->type != BNODE) { - dgap_err("IO port only vaild for boards"); + pr_err("IO port only vaild for boards"); return -1; } s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } p->u.board.portstr = kstrdup(s, GFP_KERNEL); if (kstrtol(s, 0, &p->u.board.port)) { - dgap_err("bad number for IO port"); + pr_err("bad number for IO port"); return -1; } p->u.board.v_port = 1; @@ -6483,17 +6426,17 @@ static int dgap_parsefile(char **in) case MEM: /* memory address */ if (p->type != BNODE) { - dgap_err("memory address only vaild for boards"); + pr_err("memory address only vaild for boards"); return -1; } s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } p->u.board.addrstr = kstrdup(s, GFP_KERNEL); if (kstrtoul(s, 0, &p->u.board.addr)) { - dgap_err("bad number for memory address"); + pr_err("bad number for memory address"); return -1; } p->u.board.v_addr = 1; @@ -6501,28 +6444,28 @@ static int dgap_parsefile(char **in) case PCIINFO: /* pci information */ if (p->type != BNODE) { - dgap_err("memory address only vaild for boards"); + pr_err("memory address only vaild for boards"); return -1; } s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } p->u.board.pcibusstr = kstrdup(s, GFP_KERNEL); if (kstrtoul(s, 0, &p->u.board.pcibus)) { - dgap_err("bad number for pci bus"); + pr_err("bad number for pci bus"); return -1; } p->u.board.v_pcibus = 1; s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } p->u.board.pcislotstr = kstrdup(s, GFP_KERNEL); if (kstrtoul(s, 0, &p->u.board.pcislot)) { - dgap_err("bad number for pci slot"); + pr_err("bad number for pci slot"); return -1; } p->u.board.v_pcislot = 1; @@ -6530,12 +6473,12 @@ static int dgap_parsefile(char **in) case METHOD: if (p->type != BNODE) { - dgap_err("install method only vaild for boards"); + pr_err("install method only vaild for boards"); return -1; } s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } p->u.board.method = kstrdup(s, GFP_KERNEL); @@ -6544,12 +6487,12 @@ static int dgap_parsefile(char **in) case STATUS: if (p->type != BNODE) { - dgap_err("config status only vaild for boards"); + pr_err("config status only vaild for boards"); return -1; } s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } p->u.board.status = kstrdup(s, GFP_KERNEL); @@ -6559,38 +6502,38 @@ static int dgap_parsefile(char **in) if (p->type == BNODE) { s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } if (kstrtol(s, 0, &p->u.board.nport)) { - dgap_err("bad number for number of ports"); + pr_err("bad number for number of ports"); return -1; } p->u.board.v_nport = 1; } else if (p->type == CNODE) { s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } if (kstrtol(s, 0, &p->u.conc.nport)) { - dgap_err("bad number for number of ports"); + pr_err("bad number for number of ports"); return -1; } p->u.conc.v_nport = 1; } else if (p->type == MNODE) { s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } if (kstrtol(s, 0, &p->u.module.nport)) { - dgap_err("bad number for number of ports"); + pr_err("bad number for number of ports"); return -1; } p->u.module.v_nport = 1; } else { - dgap_err("nports only valid for concentrators or modules"); + pr_err("nports only valid for concentrators or modules"); return -1; } break; @@ -6598,7 +6541,7 @@ static int dgap_parsefile(char **in) case ID: /* letter ID used in tty name */ s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } @@ -6611,7 +6554,7 @@ static int dgap_parsefile(char **in) p->u.module.id = kstrdup(s, GFP_KERNEL); p->u.module.v_id = 1; } else { - dgap_err("id only valid for concentrators or modules"); + pr_err("id only valid for concentrators or modules"); return -1; } break; @@ -6620,38 +6563,38 @@ static int dgap_parsefile(char **in) if (p->type == BNODE) { s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } if (kstrtol(s, 0, &p->u.board.start)) { - dgap_err("bad number for start of tty count"); + pr_err("bad number for start of tty count"); return -1; } p->u.board.v_start = 1; } else if (p->type == CNODE) { s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } if (kstrtol(s, 0, &p->u.conc.start)) { - dgap_err("bad number for start of tty count"); + pr_err("bad number for start of tty count"); return -1; } p->u.conc.v_start = 1; } else if (p->type == MNODE) { s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } if (kstrtol(s, 0, &p->u.module.start)) { - dgap_err("bad number for start of tty count"); + pr_err("bad number for start of tty count"); return -1; } p->u.module.v_start = 1; } else { - dgap_err("start only valid for concentrators or modules"); + pr_err("start only valid for concentrators or modules"); return -1; } break; @@ -6661,24 +6604,21 @@ static int dgap_parsefile(char **in) return -1; p->next = kzalloc(sizeof(struct cnode), GFP_KERNEL); - if (!p->next) { - dgap_err("out of memory"); + if (!p->next) return -1; - } p = p->next; p->type = TNODE; s = dgap_getword(in); if (!s) { - dgap_err("unexpeced end of file"); + pr_err("unexpeced end of file"); return -1; } p->u.ttyname = kstrdup(s, GFP_KERNEL); - if (!p->u.ttyname) { - dgap_err("out of memory"); + if (!p->u.ttyname) return -1; - } + break; case CU: /* cu name prefix */ @@ -6686,44 +6626,39 @@ static int dgap_parsefile(char **in) return -1; p->next = kzalloc(sizeof(struct cnode), GFP_KERNEL); - if (!p->next) { - dgap_err("out of memory"); + if (!p->next) return -1; - } p = p->next; p->type = CUNODE; s = dgap_getword(in); if (!s) { - dgap_err("unexpeced end of file"); + pr_err("unexpeced end of file"); return -1; } p->u.cuname = kstrdup(s, GFP_KERNEL); - if (!p->u.cuname) { - dgap_err("out of memory"); + if (!p->u.cuname) return -1; - } + break; case LINE: /* line information */ if (dgap_checknode(p)) return -1; if (!brd) { - dgap_err("must specify board before line info"); + pr_err("must specify board before line info"); return -1; } switch (brd->u.board.type) { case PPCM: - dgap_err("line not vaild for PC/em"); + pr_err("line not vaild for PC/em"); return -1; } p->next = kzalloc(sizeof(struct cnode), GFP_KERNEL); - if (!p->next) { - dgap_err("out of memory"); + if (!p->next) return -1; - } p = p->next; p->type = LNODE; @@ -6736,15 +6671,13 @@ static int dgap_parsefile(char **in) if (dgap_checknode(p)) return -1; if (!line) { - dgap_err("must specify line info before concentrator"); + pr_err("must specify line info before concentrator"); return -1; } p->next = kzalloc(sizeof(struct cnode), GFP_KERNEL); - if (!p->next) { - dgap_err("out of memory"); + if (!p->next) return -1; - } p = p->next; p->type = CNODE; @@ -6755,31 +6688,22 @@ static int dgap_parsefile(char **in) else brd->u.board.conc1++; - break; - - case CX: /* c/x type concentrator */ - if (p->type != CNODE) { - dgap_err("cx only valid for concentrators"); + conc_type = dgap_gettok(in); + if (conc_type == 0 || conc_type != CX || + conc_type != EPC) { + pr_err("failed to set a type of concentratros"); return -1; } - p->u.conc.type = CX; - p->u.conc.v_type = 1; - break; - case EPC: /* epc type concentrator */ - if (p->type != CNODE) { - dgap_err("cx only valid for concentrators"); - return -1; - } - p->u.conc.type = EPC; - p->u.conc.v_type = 1; + p->u.conc.type = conc_type; + break; case MOD: /* EBI module */ if (dgap_checknode(p)) return -1; if (!brd) { - dgap_err("must specify board info before EBI modules"); + pr_err("must specify board info before EBI modules"); return -1; } switch (brd->u.board.type) { @@ -6788,16 +6712,15 @@ static int dgap_parsefile(char **in) break; default: if (!conc) { - dgap_err("must specify concentrator info before EBI module"); + pr_err("must specify concentrator info before EBI module"); return -1; } } p->next = kzalloc(sizeof(struct cnode), GFP_KERNEL); - if (!p->next) { - dgap_err("out of memory"); + if (!p->next) return -1; - } + p = p->next; p->type = MNODE; @@ -6806,31 +6729,22 @@ static int dgap_parsefile(char **in) else brd->u.board.module1++; - break; - - case PORTS: /* ports type EBI module */ - if (p->type != MNODE) { - dgap_err("ports only valid for EBI modules"); + module_type = dgap_gettok(in); + if (module_type == 0 || module_type != PORTS || + module_type != MODEM) { + pr_err("failed to set a type of module"); return -1; } - p->u.module.type = PORTS; - p->u.module.v_type = 1; - break; - case MODEM: /* ports type EBI module */ - if (p->type != MNODE) { - dgap_err("modem only valid for modem modules"); - return -1; - } - p->u.module.type = MODEM; - p->u.module.v_type = 1; + p->u.module.type = module_type; + break; case CABLE: if (p->type == LNODE) { s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } p->u.line.cable = kstrdup(s, GFP_KERNEL); @@ -6842,27 +6756,27 @@ static int dgap_parsefile(char **in) if (p->type == LNODE) { s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } if (kstrtol(s, 0, &p->u.line.speed)) { - dgap_err("bad number for line speed"); + pr_err("bad number for line speed"); return -1; } p->u.line.v_speed = 1; } else if (p->type == CNODE) { s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } if (kstrtol(s, 0, &p->u.conc.speed)) { - dgap_err("bad number for line speed"); + pr_err("bad number for line speed"); return -1; } p->u.conc.v_speed = 1; } else { - dgap_err("speed valid only for lines or concentrators."); + pr_err("speed valid only for lines or concentrators."); return -1; } break; @@ -6871,7 +6785,7 @@ static int dgap_parsefile(char **in) if (p->type == CNODE) { s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } p->u.conc.connect = kstrdup(s, GFP_KERNEL); @@ -6883,24 +6797,21 @@ static int dgap_parsefile(char **in) return -1; p->next = kzalloc(sizeof(struct cnode), GFP_KERNEL); - if (!p->next) { - dgap_err("out of memory"); + if (!p->next) return -1; - } p = p->next; p->type = PNODE; s = dgap_getword(in); if (!s) { - dgap_err("unexpeced end of file"); + pr_err("unexpeced end of file"); return -1; } p->u.printname = kstrdup(s, GFP_KERNEL); - if (!p->u.printname) { - dgap_err("out of memory"); + if (!p->u.printname) return -1; - } + break; case CMAJOR: /* major number */ @@ -6908,21 +6819,19 @@ static int dgap_parsefile(char **in) return -1; p->next = kzalloc(sizeof(struct cnode), GFP_KERNEL); - if (!p->next) { - dgap_err("out of memory"); + if (!p->next) return -1; - } p = p->next; p->type = JNODE; s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } if (kstrtol(s, 0, &p->u.majornumber)) { - dgap_err("bad number for major number"); + pr_err("bad number for major number"); return -1; } break; @@ -6932,21 +6841,19 @@ static int dgap_parsefile(char **in) return -1; p->next = kzalloc(sizeof(struct cnode), GFP_KERNEL); - if (!p->next) { - dgap_err("out of memory"); + if (!p->next) return -1; - } p = p->next; p->type = ANODE; s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } if (kstrtol(s, 0, &p->u.altpin)) { - dgap_err("bad number for altpin"); + pr_err("bad number for altpin"); return -1; } break; @@ -6956,19 +6863,18 @@ static int dgap_parsefile(char **in) return -1; p->next = kzalloc(sizeof(struct cnode), GFP_KERNEL); - if (!p->next) { - dgap_err("out of memory"); + if (!p->next) return -1; - } + p = p->next; p->type = INTRNODE; s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } if (kstrtol(s, 0, &p->u.useintr)) { - dgap_err("bad number for useintr"); + pr_err("bad number for useintr"); return -1; } break; @@ -6978,21 +6884,19 @@ static int dgap_parsefile(char **in) return -1; p->next = kzalloc(sizeof(struct cnode), GFP_KERNEL); - if (!p->next) { - dgap_err("out of memory"); + if (!p->next) return -1; - } p = p->next; p->type = TSNODE; s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } if (kstrtol(s, 0, &p->u.ttysize)) { - dgap_err("bad number for ttysize"); + pr_err("bad number for ttysize"); return -1; } break; @@ -7002,21 +6906,19 @@ static int dgap_parsefile(char **in) return -1; p->next = kzalloc(sizeof(struct cnode), GFP_KERNEL); - if (!p->next) { - dgap_err("out of memory"); + if (!p->next) return -1; - } p = p->next; p->type = CSNODE; s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } if (kstrtol(s, 0, &p->u.chsize)) { - dgap_err("bad number for chsize"); + pr_err("bad number for chsize"); return -1; } break; @@ -7026,21 +6928,19 @@ static int dgap_parsefile(char **in) return -1; p->next = kzalloc(sizeof(struct cnode), GFP_KERNEL); - if (!p->next) { - dgap_err("out of memory"); + if (!p->next) return -1; - } p = p->next; p->type = BSNODE; s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } if (kstrtol(s, 0, &p->u.bssize)) { - dgap_err("bad number for bssize"); + pr_err("bad number for bssize"); return -1; } break; @@ -7050,21 +6950,19 @@ static int dgap_parsefile(char **in) return -1; p->next = kzalloc(sizeof(struct cnode), GFP_KERNEL); - if (!p->next) { - dgap_err("out of memory"); + if (!p->next) return -1; - } p = p->next; p->type = USNODE; s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } if (kstrtol(s, 0, &p->u.unsize)) { - dgap_err("bad number for schedsize"); + pr_err("bad number for schedsize"); return -1; } break; @@ -7074,21 +6972,19 @@ static int dgap_parsefile(char **in) return -1; p->next = kzalloc(sizeof(struct cnode), GFP_KERNEL); - if (!p->next) { - dgap_err("out of memory"); + if (!p->next) return -1; - } p = p->next; p->type = FSNODE; s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } if (kstrtol(s, 0, &p->u.f2size)) { - dgap_err("bad number for f2200size"); + pr_err("bad number for f2200size"); return -1; } break; @@ -7098,21 +6994,19 @@ static int dgap_parsefile(char **in) return -1; p->next = kzalloc(sizeof(struct cnode), GFP_KERNEL); - if (!p->next) { - dgap_err("out of memory"); + if (!p->next) return -1; - } p = p->next; p->type = VSNODE; s = dgap_getword(in); if (!s) { - dgap_err("unexpected end of file"); + pr_err("unexpected end of file"); return -1; } if (kstrtol(s, 0, &p->u.vpixsize)) { - dgap_err("bad number for vpixsize"); + pr_err("bad number for vpixsize"); return -1; } break; @@ -7165,12 +7059,10 @@ static int dgap_gettok(char **in) if (strstr(dgap_cword, "board")) { w = dgap_getword(in); snprintf(dgap_cword, MAXCWORD, "%s", w); - for (t = dgap_tlist; t->token != 0; t++) { + for (t = dgap_brdtype; t->token != 0; t++) { if (!strcmp(w, t->string)) return t->token; } - dgap_err("board !!type not specified"); - return 1; } else { while ((w = dgap_getword(in))) { snprintf(dgap_cword, MAXCWORD, "%s", w); @@ -7179,8 +7071,9 @@ static int dgap_gettok(char **in) return t->token; } } - return 0; } + + return 0; } /* @@ -7213,66 +7106,41 @@ static char *dgap_getword(char **in) } /* - * print an error message, giving the line number in the file where - * the error occurred. - */ -static void dgap_err(char *s) -{ - pr_err("dgap: parse: %s\n", s); -} - -/* * dgap_checknode: see if all the necessary info has been supplied for a node * before creating the next node. */ static int dgap_checknode(struct cnode *p) { switch (p->type) { - case BNODE: - if (p->u.board.v_type == 0) { - dgap_err("board type !not specified"); - return 1; - } - - return 0; - case LNODE: if (p->u.line.v_speed == 0) { - dgap_err("line speed not specified"); + pr_err("line speed not specified"); return 1; } return 0; case CNODE: - if (p->u.conc.v_type == 0) { - dgap_err("concentrator type not specified"); - return 1; - } if (p->u.conc.v_speed == 0) { - dgap_err("concentrator line speed not specified"); + pr_err("concentrator line speed not specified"); return 1; } if (p->u.conc.v_nport == 0) { - dgap_err("number of ports on concentrator not specified"); + pr_err("number of ports on concentrator not specified"); return 1; } if (p->u.conc.v_id == 0) { - dgap_err("concentrator id letter not specified"); + pr_err("concentrator id letter not specified"); return 1; } return 0; case MNODE: - if (p->u.module.v_type == 0) { - dgap_err("EBI module type not specified"); - return 1; - } if (p->u.module.v_nport == 0) { - dgap_err("number of ports on EBI module not specified"); + pr_err("number of ports on EBI module not specified"); return 1; } if (p->u.module.v_id == 0) { - dgap_err("EBI module id letter not specified"); + pr_err("EBI module id letter not specified"); return 1; } return 0; |