diff -ruN linux-2.5.23.orig/drivers/ide/main.c linux-2.5.23/drivers/ide/main.c --- linux-2.5.23.orig/drivers/ide/main.c Tue Jun 18 21:11:45 2002 +++ linux-2.5.23/drivers/ide/main.c Thu Jun 20 00:15:27 2002 @@ -638,17 +638,6 @@ */ /* - * stridx() returns the offset of c within s, - * or -1 if c is '\0' or not found within s. - */ -static int __init stridx (const char *s, char c) -{ - char *i = strchr(s, c); - - return (i && c) ? i - s : -1; -} - -/* * Parsing for ide_setup(): * * 1. the first char of s must be '='. @@ -657,14 +646,14 @@ * 3. if the remainder is a series of no more than max_vals numbers * separated by commas, the numbers are saved in vals[] and a * count of how many were saved is returned. Base10 is assumed, - * and base16 is allowed when prefixed with "0x". + * and base16 is allowed when prefixed with "0x". The number of + * values read will be placed in vals[0], and the values read will + * placed in vals[1] to vals[max_vals]. * 4. otherwise, zero is returned. */ static int __init match_parm (char *s, const char *keywords[], int vals[], int max_vals) { - static const char decimal[] = "0123456789"; - static const char hex[] = "0123456789abcdef"; - int i, n; + int i; if (*s++ == '=') { /* @@ -683,23 +672,10 @@ * or base16 when prefixed with "0x". * Return a count of how many were found. */ - for (n = 0; (i = stridx(decimal, *s)) >= 0;) { - vals[n] = i; - while ((i = stridx(decimal, *++s)) >= 0) - vals[n] = (vals[n] * 10) + i; - if (*s == 'x' && !vals[n]) { - while ((i = stridx(hex, *++s)) >= 0) - vals[n] = (vals[n] * 0x10) + i; - } - if (++n == max_vals) - break; - if (*s == ',' || *s == ';') - ++s; - } - if (!*s) - return n; + get_options(s, max_vals+1, vals); + return vals[0]; } - return 0; /* zero = nothing matched */ + return 0; } /* @@ -744,7 +720,7 @@ */ int __init ide_setup(char *s) { - int i, vals[3]; + int i, vals[4]; struct ata_channel *ch; struct ata_device *drive; unsigned int hw, unit; @@ -755,7 +731,6 @@ return 0; if (strncmp(s,"ide",3) && - strncmp(s,"idebus",6) && strncmp(s,"hd",2)) /* hdx= & hdxlun= */ return 0; @@ -801,24 +776,24 @@ unit = unit % MAX_DRIVES; ch = &ide_hwifs[hw]; drive = &ch->drives[unit]; - if (!strncmp(s + 4, "ide-", 4)) { + if (!strncmp(s+3, "=ide-", 5)) { strncpy(drive->driver_req, s + 4, 9); goto done; } /* * Look for last lun option: "hdxlun=" */ - if (!strncmp(&s[3], "lun", 3)) { - if (match_parm(&s[6], NULL, vals, 1) != 1) + if (!strncmp(s+3, "lun=", 4)) { + if (*get_options(s+7, 2, vals) || vals[0]!=1) goto bad_option; - if (vals[0] >= 0 && vals[0] <= 7) { - drive->last_lun = vals[0]; + if (vals[1] >= 0 && vals[1] <= 7) { + drive->last_lun = vals[1]; drive->forced_lun = 1; } else printk(" -- BAD LAST LUN! Expected value from 0 to 7"); goto done; } - switch (match_parm(&s[3], hd_words, vals, 3)) { + switch (match_parm(s+3, hd_words, vals, 3)) { case -1: /* "none" */ drive->nobios = 1; /* drop into "noprobe" */ case -2: /* "noprobe" */ @@ -864,9 +839,9 @@ #endif case 3: /* cyl,head,sect */ drive->type = ATA_DISK; - drive->cyl = drive->bios_cyl = vals[0]; - drive->head = drive->bios_head = vals[1]; - drive->sect = drive->bios_sect = vals[2]; + drive->cyl = drive->bios_cyl = vals[1]; + drive->head = drive->bios_head = vals[2]; + drive->sect = drive->bios_sect = vals[3]; drive->present = 1; drive->forced_geom = 1; ch->noprobe = 0; @@ -879,10 +854,10 @@ /* * Look for bus speed option: "idebus=" */ - if (!strncmp(s, "idebus", 6)) { - if (match_parm(&s[6], NULL, vals, 1) != 1) + if (!strncmp(s, "idebus=", 7)) { + if (*get_options(s+7, 2, vals) || vals[0] != 1) goto bad_option; - idebus_parameter = vals[0]; + idebus_parameter = vals[1]; goto done; } @@ -892,33 +867,72 @@ if (!strncmp(s, "ide", 3) && s[3] >= '0' && s[3] <= max_ch) { /* * Be VERY CAREFUL changing this: note hardcoded indexes below - * -8,-9,-10. -11 : are reserved for future idex calls to ease the hardcoding. */ + const char *ide_options[] = { + "noprobe", "serialize", "autotune", "noautotune", "reset", "dma", "ata66", NULL }; const char *ide_words[] = { - "noprobe", "serialize", "autotune", "noautotune", "reset", "dma", "ata66", - "minus8", "minus9", "minus10", "minus11", "qd65xx", "ht6560b", "cmd640_vlb", "dtc2278", "umc8672", "ali14xx", "dc4030", NULL }; hw = s[3] - '0'; ch = &ide_hwifs[hw]; + + switch (match_parm(s+4, ide_options, vals, 1)) { + case -7: /* ata66 */ +#ifdef CONFIG_PCI + ch->udma_four = 1; + goto done; +#else + ch->udma_four = 0; + goto bad_channel; +#endif + case -6: /* dma */ + ch->autodma = 1; + goto done; + case -5: /* reset */ + ch->reset = 1; + goto done; + case -4: /* noautotune */ + ch->drives[0].autotune = 2; + ch->drives[1].autotune = 2; + goto done; + case -3: /* autotune */ + ch->drives[0].autotune = 1; + ch->drives[1].autotune = 1; + goto done; + case -2: /* "serialize" */ + do_serialize: + { + struct ata_channel *mate; + + mate = &ide_hwifs[hw ^ 1]; + ch->serialized = 1; + mate->serialized = 1; + } + goto done; + + case -1: /* "noprobe" */ + ch->noprobe = 1; + goto done; + } + i = match_parm(&s[4], ide_words, vals, 3); /* * Cryptic check to ensure chipset not already set for a channel: */ - if (i > 0 || i <= -11) { /* is parameter a chipset name? */ - if (ch->chipset != ide_unknown) + if (i) { /* is parameter a chipset name? */ + if (ide_hwifs[hw].chipset != ide_unknown) goto bad_option; /* chipset already specified */ - if (i <= -11 && i != -18 && hw != 0) + if (i != -7 && hw != 0) goto bad_channel; /* chipset drivers are for "ide0=" only */ - if (i <= -11 && i != -18 && ide_hwifs[hw+1].chipset != ide_unknown) + if (i != -7 && ide_hwifs[1].chipset != ide_unknown) goto bad_option; /* chipset for 2nd port already specified */ printk("\n"); } switch (i) { #ifdef CONFIG_BLK_DEV_PDC4030 - case -18: /* "dc4030" */ + case -7: /* "dc4030" */ { extern void init_pdc4030(void); init_pdc4030(); @@ -926,7 +940,7 @@ } #endif #ifdef CONFIG_BLK_DEV_ALI14XX - case -17: /* "ali14xx" */ + case -6: /* "ali14xx" */ { extern void init_ali14xx (void); init_ali14xx(); @@ -934,7 +948,7 @@ } #endif #ifdef CONFIG_BLK_DEV_UMC8672 - case -16: /* "umc8672" */ + case -5: /* "umc8672" */ { extern void init_umc8672 (void); init_umc8672(); @@ -942,7 +956,7 @@ } #endif #ifdef CONFIG_BLK_DEV_DTC2278 - case -15: /* "dtc2278" */ + case -4: /* "dtc2278" */ { extern void init_dtc2278 (void); init_dtc2278(); @@ -950,7 +964,7 @@ } #endif #ifdef CONFIG_BLK_DEV_CMD640 - case -14: /* "cmd640_vlb" */ + case -3: /* "cmd640_vlb" */ { extern int cmd640_vlb; /* flag for cmd640.c */ cmd640_vlb = 1; @@ -958,7 +972,7 @@ } #endif #ifdef CONFIG_BLK_DEV_HT6560B - case -13: /* "ht6560b" */ + case -2: /* "ht6560b" */ { extern void init_ht6560b (void); init_ht6560b(); @@ -966,64 +980,22 @@ } #endif #if CONFIG_BLK_DEV_QD65XX - case -12: /* "qd65xx" */ + case -1: /* "qd65xx" */ { extern void init_qd65xx (void); init_qd65xx(); goto done; } #endif - case -11: /* minus11 */ - case -10: /* minus10 */ - case -9: /* minus9 */ - case -8: /* minus8 */ - goto bad_option; - case -7: /* ata66 */ -#ifdef CONFIG_PCI - ch->udma_four = 1; - goto done; -#else - ch->udma_four = 0; - goto bad_channel; -#endif - case -6: /* dma */ - ch->autodma = 1; - goto done; - case -5: /* reset */ - ch->reset = 1; - goto done; - case -4: /* noautotune */ - ch->drives[0].autotune = 2; - ch->drives[1].autotune = 2; - goto done; - case -3: /* autotune */ - ch->drives[0].autotune = 1; - ch->drives[1].autotune = 1; - goto done; - case -2: /* "serialize" */ - do_serialize: - { - struct ata_channel *mate; - - mate = &ide_hwifs[hw ^ 1]; - ch->serialized = 1; - mate->serialized = 1; - } - goto done; - - case -1: /* "noprobe" */ - ch->noprobe = 1; - goto done; - case 1: /* base */ - vals[1] = vals[0] + 0x206; /* default ctl */ + vals[2] = vals[1] + 0x206; /* default ctl */ case 2: /* base,ctl */ - vals[2] = 0; /* default irq = probe for it */ + vals[3] = 0; /* default irq = probe for it */ case 3: /* base,ctl,irq */ - ch->hw.irq = vals[2]; - ide_init_hwif_ports(&ch->hw, (ide_ioreg_t) vals[0], (ide_ioreg_t) vals[1], &ch->irq); + ch->hw.irq = vals[3]; + ide_init_hwif_ports(&ch->hw, (ide_ioreg_t) vals[1], (ide_ioreg_t) vals[2], &ch->irq); memcpy(ch->io_ports, ch->hw.io_ports, sizeof(ch->io_ports)); - ch->irq = vals[2]; + ch->irq = vals[3]; ch->noprobe = 0; ch->chipset = ide_generic; goto done;