diff options
Diffstat (limited to 'drivers/ide')
-rw-r--r-- | drivers/ide/Kconfig | 16 | ||||
-rw-r--r-- | drivers/ide/ide-cd.c | 9 | ||||
-rw-r--r-- | drivers/ide/ide-floppy.c | 2 | ||||
-rw-r--r-- | drivers/ide/ide-probe.c | 4 | ||||
-rw-r--r-- | drivers/ide/ide-taskfile.c | 13 | ||||
-rw-r--r-- | drivers/ide/ide.c | 19 | ||||
-rw-r--r-- | drivers/ide/legacy/hd.c | 2 | ||||
-rw-r--r-- | drivers/ide/legacy/ide-cs.c | 20 | ||||
-rw-r--r-- | drivers/ide/pci/alim15x3.c | 16 | ||||
-rw-r--r-- | drivers/ide/pci/amd74xx.c | 7 | ||||
-rw-r--r-- | drivers/ide/pci/generic.c | 19 | ||||
-rw-r--r-- | drivers/ide/pci/pdc202xx_new.c | 503 | ||||
-rw-r--r-- | drivers/ide/pci/piix.c | 4 | ||||
-rw-r--r-- | drivers/ide/pci/sgiioc4.c | 9 | ||||
-rw-r--r-- | drivers/ide/pci/sis5513.c | 3 | ||||
-rw-r--r-- | drivers/ide/pci/sl82c105.c | 31 | ||||
-rw-r--r-- | drivers/ide/pci/via82cxxx.c | 25 | ||||
-rw-r--r-- | drivers/ide/setup-pci.c | 4 |
18 files changed, 502 insertions, 204 deletions
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index 0c68d0f0d8e5..e23bc0d62159 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -389,14 +389,6 @@ config BLK_DEV_RZ1000 Linux. This may slow disk throughput by a few percent, but at least things will operate 100% reliably. -config BLK_DEV_SL82C105 - tristate "Winbond SL82c105 support" - depends on PCI && (PPC || ARM) && BLK_DEV_IDEPCI - help - If you have a Winbond SL82c105 IDE controller, say Y here to enable - special configuration for this chip. This is common on various CHRP - motherboards, but could be used elsewhere. If in doubt, say Y. - config BLK_DEV_IDEDMA_PCI bool "Generic PCI bus-master DMA support" depends on PCI && BLK_DEV_IDEPCI @@ -712,6 +704,14 @@ config BLK_DEV_SIS5513 Please read the comments at the top of <file:drivers/ide/pci/sis5513.c>. +config BLK_DEV_SL82C105 + tristate "Winbond SL82c105 support" + depends on (PPC || ARM) + help + If you have a Winbond SL82c105 IDE controller, say Y here to enable + special configuration for this chip. This is common on various CHRP + motherboards, but could be used elsewhere. If in doubt, say Y. + config BLK_DEV_SLC90E66 tristate "SLC90E66 chipset support" help diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index bddfebdf91d8..5969cec58dc1 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -687,8 +687,15 @@ static void ide_dump_status_no_sense(ide_drive_t *drive, const char *msg, u8 sta static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret) { struct request *rq = HWGROUP(drive)->rq; + ide_hwif_t *hwif = HWIF(drive); int stat, err, sense_key; + /* We may have bogus DMA interrupts in PIO state here */ + if (HWIF(drive)->dma_status && hwif->atapi_irq_bogon) { + stat = hwif->INB(hwif->dma_status); + /* Should we force the bit as well ? */ + hwif->OUTB(stat, hwif->dma_status); + } /* Check for errors. */ stat = HWIF(drive)->INB(IDE_STATUS_REG); if (stat_ret) @@ -724,7 +731,7 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret) * if we have an error, pass back CHECK_CONDITION as the * scsi status byte */ - if (!rq->errors) + if (blk_pc_request(rq) && !rq->errors) rq->errors = SAM_STAT_CHECK_CONDITION; /* Check for tray open. */ diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 8ccee9c769f8..e3a267622bb6 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -1635,7 +1635,7 @@ static int idefloppy_begin_format(ide_drive_t *drive, int __user *arg) /* ** Get ATAPI_FORMAT_UNIT progress indication. ** -** Userland gives a pointer to an int. The int is set to a progresss +** Userland gives a pointer to an int. The int is set to a progress ** indicator 0-65536, with 65536=100%. ** ** If the drive does not support format progress indication, we just check diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index dad9c47ebb69..5a5c565a32a8 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -1000,10 +1000,6 @@ static int ide_init_queue(ide_drive_t *drive) /* needs drive->queue to be set */ ide_toggle_bounce(drive, 1); - /* enable led activity for disk drives only */ - if (drive->media == ide_disk && hwif->led_act) - blk_queue_activity_fn(q, hwif->led_act, drive); - return 0; } diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index 1d0470c1f957..30175c7688e8 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -524,8 +524,8 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) task_ioreg_t *hobsptr = args.hobRegister; int err = 0; int tasksize = sizeof(struct ide_task_request_s); - int taskin = 0; - int taskout = 0; + unsigned int taskin = 0; + unsigned int taskout = 0; u8 io_32bit = drive->io_32bit; char __user *buf = (char __user *)arg; @@ -538,8 +538,13 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) return -EFAULT; } - taskout = (int) req_task->out_size; - taskin = (int) req_task->in_size; + taskout = req_task->out_size; + taskin = req_task->in_size; + + if (taskin > 65536 || taskout > 65536) { + err = -EINVAL; + goto abort; + } if (taskout) { int outtotal = tasksize; diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 287a66201150..16890769dca6 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -973,8 +973,8 @@ ide_settings_t *ide_find_setting_by_name (ide_drive_t *drive, char *name) * @drive: drive * * Automatically remove all the driver specific settings for this - * drive. This function may sleep and must not be called from IRQ - * context. The caller must hold ide_setting_sem. + * drive. This function may not be called from IRQ context. The + * caller must hold ide_setting_sem. */ static void auto_remove_settings (ide_drive_t *drive) @@ -1874,11 +1874,22 @@ void ide_unregister_subdriver(ide_drive_t *drive, ide_driver_t *driver) { unsigned long flags; - down(&ide_setting_sem); - spin_lock_irqsave(&ide_lock, flags); #ifdef CONFIG_PROC_FS ide_remove_proc_entries(drive->proc, driver->proc); #endif + down(&ide_setting_sem); + spin_lock_irqsave(&ide_lock, flags); + /* + * ide_setting_sem protects the settings list + * ide_lock protects the use of settings + * + * so we need to hold both, ide_settings_sem because we want to + * modify the settings list, and ide_lock because we cannot take + * a setting out that is being used. + * + * OTOH both ide_{read,write}_setting are only ever used under + * ide_setting_sem. + */ auto_remove_settings(drive); spin_unlock_irqrestore(&ide_lock, flags); up(&ide_setting_sem); diff --git a/drivers/ide/legacy/hd.c b/drivers/ide/legacy/hd.c index b1d5291531b7..45ed03591cd8 100644 --- a/drivers/ide/legacy/hd.c +++ b/drivers/ide/legacy/hd.c @@ -459,7 +459,7 @@ ok_to_read: #ifdef DEBUG printk("%s: read: sector %ld, remaining = %ld, buffer=%p\n", req->rq_disk->disk_name, req->sector, req->nr_sectors, - req->buffer+512)); + req->buffer+512); #endif if (req->current_nr_sectors <= 0) end_request(req, 1); diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index bef4759f70e5..7efd28ac21ed 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -192,20 +192,10 @@ static int ide_config(struct pcmcia_device *link) tuple.TupleOffset = 0; tuple.TupleDataMax = 255; tuple.Attributes = 0; - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &stk->parse)); - link->conf.ConfigBase = stk->parse.config.base; - link->conf.Present = stk->parse.config.rmask[0]; - - tuple.DesiredTuple = CISTPL_MANFID; - if (!pcmcia_get_first_tuple(link, &tuple) && - !pcmcia_get_tuple_data(link, &tuple) && - !pcmcia_parse_tuple(link, &tuple, &stk->parse)) - is_kme = ((stk->parse.manfid.manf == MANFID_KME) && - ((stk->parse.manfid.card == PRODID_KME_KXLC005_A) || - (stk->parse.manfid.card == PRODID_KME_KXLC005_B))); + + is_kme = ((link->manf_id == MANFID_KME) && + ((link->card_id == PRODID_KME_KXLC005_A) || + (link->card_id == PRODID_KME_KXLC005_B))); /* Not sure if this is right... look up the current Vcc */ CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &stk->conf)); @@ -408,8 +398,10 @@ static struct pcmcia_device_id ide_ids[] = { PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6), PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003), PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443), + PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1), PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8), PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852), + PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918), PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209), PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e), PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6), diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c index d419e4bb54f4..89109be5162c 100644 --- a/drivers/ide/pci/alim15x3.c +++ b/drivers/ide/pci/alim15x3.c @@ -586,11 +586,11 @@ static unsigned int __devinit init_chipset_ali15x3 (struct pci_dev *dev, const c { unsigned long flags; u8 tmpbyte; - struct pci_dev *north = pci_find_slot(0, PCI_DEVFN(0,0)); + struct pci_dev *north = pci_get_slot(dev->bus, PCI_DEVFN(0,0)); pci_read_config_byte(dev, PCI_REVISION_ID, &m5229_revision); - isa_dev = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); + isa_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); #if defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_PROC_FS) if (!ali_proc) { @@ -613,8 +613,7 @@ static unsigned int __devinit init_chipset_ali15x3 (struct pci_dev *dev, const c * clear bit 7 */ pci_write_config_byte(dev, 0x4b, tmpbyte & 0x7F); - local_irq_restore(flags); - return 0; + goto out; } /* @@ -637,10 +636,8 @@ static unsigned int __devinit init_chipset_ali15x3 (struct pci_dev *dev, const c * box without a device at 0:0.0. The ALi bridge will be at * 0:0.0 so if we didn't find one we know what is cooking. */ - if (north && north->vendor != PCI_VENDOR_ID_AL) { - local_irq_restore(flags); - return 0; - } + if (north && north->vendor != PCI_VENDOR_ID_AL) + goto out; if (m5229_revision < 0xC5 && isa_dev) { @@ -661,6 +658,9 @@ static unsigned int __devinit init_chipset_ali15x3 (struct pci_dev *dev, const c pci_write_config_byte(isa_dev, 0x79, tmpbyte | 0x02); } } +out: + pci_dev_put(north); + pci_dev_put(isa_dev); local_irq_restore(flags); return 0; } diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c index 2b0ea8b6608d..753fe0e21456 100644 --- a/drivers/ide/pci/amd74xx.c +++ b/drivers/ide/pci/amd74xx.c @@ -75,6 +75,7 @@ static struct amd_ide_chip { { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE, 0x50, AMD_UDMA_133 }, { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE, 0x50, AMD_UDMA_133 }, { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE, 0x50, AMD_UDMA_133 }, + { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE, 0x50, AMD_UDMA_133 }, { PCI_DEVICE_ID_AMD_CS5536_IDE, 0x40, AMD_UDMA_100 }, { 0 } }; @@ -491,7 +492,8 @@ static ide_pci_device_t amd74xx_chipsets[] __devinitdata = { /* 16 */ DECLARE_NV_DEV("NFORCE-MCP55"), /* 17 */ DECLARE_NV_DEV("NFORCE-MCP61"), /* 18 */ DECLARE_NV_DEV("NFORCE-MCP65"), - /* 19 */ DECLARE_AMD_DEV("AMD5536"), + /* 19 */ DECLARE_NV_DEV("NFORCE-MCP67"), + /* 20 */ DECLARE_AMD_DEV("AMD5536"), }; static int __devinit amd74xx_probe(struct pci_dev *dev, const struct pci_device_id *id) @@ -530,7 +532,8 @@ static struct pci_device_id amd74xx_pci_tbl[] = { { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 16 }, { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 17 }, { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 18 }, - { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 19 }, + { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 19 }, + { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 20 }, { 0, }, }; MODULE_DEVICE_TABLE(pci, amd74xx_pci_tbl); diff --git a/drivers/ide/pci/generic.c b/drivers/ide/pci/generic.c index 5b77a5bcbf0c..9f306880491a 100644 --- a/drivers/ide/pci/generic.c +++ b/drivers/ide/pci/generic.c @@ -40,6 +40,19 @@ static int ide_generic_all; /* Set to claim all devices */ +/* + * the module_param_named() was added for the modular case + * the __setup() is left as compatibility for existing setups + */ +#ifndef MODULE +static int __init ide_generic_all_on(char *unused) +{ + ide_generic_all = 1; + printk(KERN_INFO "IDE generic will claim all unknown PCI IDE storage controllers.\n"); + return 1; +} +__setup("all-generic-ide", ide_generic_all_on); +#endif module_param_named(all_generic_ide, ide_generic_all, bool, 0444); MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers."); @@ -234,8 +247,10 @@ static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_devi (!(PCI_FUNC(dev->devfn) & 1))) goto out; - if (dev->vendor == PCI_VENDOR_ID_JMICRON && PCI_FUNC(dev->devfn) != 1) - goto out; + if (dev->vendor == PCI_VENDOR_ID_JMICRON) { + if (dev->device != PCI_DEVICE_ID_JMICRON_JMB368 && PCI_FUNC(dev->devfn) != 1) + goto out; + } if (dev->vendor != PCI_VENDOR_ID_JMICRON) { pci_read_config_word(dev, PCI_COMMAND, &command); diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c index 6c097e80b4df..7cb48576e479 100644 --- a/drivers/ide/pci/pdc202xx_new.c +++ b/drivers/ide/pci/pdc202xx_new.c @@ -9,6 +9,7 @@ * Split from: * linux/drivers/ide/pdc202xx.c Version 0.35 Mar. 30, 2002 * Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org> + * Copyright (C) 2005-2006 MontaVista Software, Inc. * Portions Copyright (C) 1999 Promise Technology, Inc. * Author: Frank Tiernan (frankt@promise.com) * Released under terms of General Public License @@ -38,6 +39,14 @@ #define PDC202_DEBUG_CABLE 0 +#undef DEBUG + +#ifdef DEBUG +#define DBG(fmt, args...) printk("%s: " fmt, __FUNCTION__, ## args) +#else +#define DBG(fmt, args...) +#endif + static const char *pdc_quirk_drives[] = { "QUANTUM FIREBALLlct08 08", "QUANTUM FIREBALLP KA6.4", @@ -50,37 +59,11 @@ static const char *pdc_quirk_drives[] = { NULL }; -#define set_2regs(a, b) \ - do { \ - hwif->OUTB((a + adj), indexreg); \ - hwif->OUTB(b, datareg); \ - } while(0) - -#define set_ultra(a, b, c) \ - do { \ - set_2regs(0x10,(a)); \ - set_2regs(0x11,(b)); \ - set_2regs(0x12,(c)); \ - } while(0) - -#define set_ata2(a, b) \ - do { \ - set_2regs(0x0e,(a)); \ - set_2regs(0x0f,(b)); \ - } while(0) - -#define set_pio(a, b, c) \ - do { \ - set_2regs(0x0c,(a)); \ - set_2regs(0x0d,(b)); \ - set_2regs(0x13,(c)); \ - } while(0) - -static u8 pdcnew_ratemask (ide_drive_t *drive) +static u8 max_dma_rate(struct pci_dev *pdev) { u8 mode; - switch(HWIF(drive)->pci_dev->device) { + switch(pdev->device) { case PCI_DEVICE_ID_PROMISE_20277: case PCI_DEVICE_ID_PROMISE_20276: case PCI_DEVICE_ID_PROMISE_20275: @@ -95,12 +78,21 @@ static u8 pdcnew_ratemask (ide_drive_t *drive) default: return 0; } - if (!eighty_ninty_three(drive)) - mode = min(mode, (u8)1); + return mode; } -static int check_in_drive_lists (ide_drive_t *drive, const char **list) +static u8 pdcnew_ratemask(ide_drive_t *drive) +{ + u8 mode = max_dma_rate(HWIF(drive)->pci_dev); + + if (!eighty_ninty_three(drive)) + mode = min_t(u8, mode, 1); + + return mode; +} + +static int check_in_drive_lists(ide_drive_t *drive, const char **list) { struct hd_driveid *id = drive->id; @@ -120,43 +112,141 @@ static int check_in_drive_lists (ide_drive_t *drive, const char **list) return 0; } -static int pdcnew_new_tune_chipset (ide_drive_t *drive, u8 xferspeed) +/** + * get_indexed_reg - Get indexed register + * @hwif: for the port address + * @index: index of the indexed register + */ +static u8 get_indexed_reg(ide_hwif_t *hwif, u8 index) +{ + u8 value; + + hwif->OUTB(index, hwif->dma_vendor1); + value = hwif->INB(hwif->dma_vendor3); + + DBG("index[%02X] value[%02X]\n", index, value); + return value; +} + +/** + * set_indexed_reg - Set indexed register + * @hwif: for the port address + * @index: index of the indexed register + */ +static void set_indexed_reg(ide_hwif_t *hwif, u8 index, u8 value) +{ + hwif->OUTB(index, hwif->dma_vendor1); + hwif->OUTB(value, hwif->dma_vendor3); + DBG("index[%02X] value[%02X]\n", index, value); +} + +/* + * ATA Timing Tables based on 133 MHz PLL output clock. + * + * If the PLL outputs 100 MHz clock, the ASIC hardware will set + * the timing registers automatically when "set features" command is + * issued to the device. However, if the PLL output clock is 133 MHz, + * the following tables must be used. + */ +static struct pio_timing { + u8 reg0c, reg0d, reg13; +} pio_timings [] = { + { 0xfb, 0x2b, 0xac }, /* PIO mode 0, IORDY off, Prefetch off */ + { 0x46, 0x29, 0xa4 }, /* PIO mode 1, IORDY off, Prefetch off */ + { 0x23, 0x26, 0x64 }, /* PIO mode 2, IORDY off, Prefetch off */ + { 0x27, 0x0d, 0x35 }, /* PIO mode 3, IORDY on, Prefetch off */ + { 0x23, 0x09, 0x25 }, /* PIO mode 4, IORDY on, Prefetch off */ +}; + +static struct mwdma_timing { + u8 reg0e, reg0f; +} mwdma_timings [] = { + { 0xdf, 0x5f }, /* MWDMA mode 0 */ + { 0x6b, 0x27 }, /* MWDMA mode 1 */ + { 0x69, 0x25 }, /* MWDMA mode 2 */ +}; + +static struct udma_timing { + u8 reg10, reg11, reg12; +} udma_timings [] = { + { 0x4a, 0x0f, 0xd5 }, /* UDMA mode 0 */ + { 0x3a, 0x0a, 0xd0 }, /* UDMA mode 1 */ + { 0x2a, 0x07, 0xcd }, /* UDMA mode 2 */ + { 0x1a, 0x05, 0xcd }, /* UDMA mode 3 */ + { 0x1a, 0x03, 0xcd }, /* UDMA mode 4 */ + { 0x1a, 0x02, 0xcb }, /* UDMA mode 5 */ + { 0x1a, 0x01, 0xcb }, /* UDMA mode 6 */ +}; + +static int pdcnew_tune_chipset(ide_drive_t *drive, u8 speed) { ide_hwif_t *hwif = HWIF(drive); - unsigned long indexreg = hwif->dma_vendor1; - unsigned long datareg = hwif->dma_vendor3; - u8 thold = 0x10; - u8 adj = (drive->dn%2) ? 0x08 : 0x00; - u8 speed = ide_rate_filter(pdcnew_ratemask(drive), xferspeed); - - if (speed == XFER_UDMA_2) { - hwif->OUTB((thold + adj), indexreg); - hwif->OUTB((hwif->INB(datareg) & 0x7f), datareg); - } + u8 adj = (drive->dn & 1) ? 0x08 : 0x00; + int err; - switch (speed) { - case XFER_UDMA_7: - speed = XFER_UDMA_6; - case XFER_UDMA_6: set_ultra(0x1a, 0x01, 0xcb); break; - case XFER_UDMA_5: set_ultra(0x1a, 0x02, 0xcb); break; - case XFER_UDMA_4: set_ultra(0x1a, 0x03, 0xcd); break; - case XFER_UDMA_3: set_ultra(0x1a, 0x05, 0xcd); break; - case XFER_UDMA_2: set_ultra(0x2a, 0x07, 0xcd); break; - case XFER_UDMA_1: set_ultra(0x3a, 0x0a, 0xd0); break; - case XFER_UDMA_0: set_ultra(0x4a, 0x0f, 0xd5); break; - case XFER_MW_DMA_2: set_ata2(0x69, 0x25); break; - case XFER_MW_DMA_1: set_ata2(0x6b, 0x27); break; - case XFER_MW_DMA_0: set_ata2(0xdf, 0x5f); break; - case XFER_PIO_4: set_pio(0x23, 0x09, 0x25); break; - case XFER_PIO_3: set_pio(0x27, 0x0d, 0x35); break; - case XFER_PIO_2: set_pio(0x23, 0x26, 0x64); break; - case XFER_PIO_1: set_pio(0x46, 0x29, 0xa4); break; - case XFER_PIO_0: set_pio(0xfb, 0x2b, 0xac); break; - default: - ; - } + speed = ide_rate_filter(pdcnew_ratemask(drive), speed); + + /* + * Issue SETFEATURES_XFER to the drive first. PDC202xx hardware will + * automatically set the timing registers based on 100 MHz PLL output. + */ + err = ide_config_drive_speed(drive, speed); + + /* + * As we set up the PLL to output 133 MHz for UltraDMA/133 capable + * chips, we must override the default register settings... + */ + if (max_dma_rate(hwif->pci_dev) == 4) { + u8 mode = speed & 0x07; + + switch (speed) { + case XFER_UDMA_6: + case XFER_UDMA_5: + case XFER_UDMA_4: + case XFER_UDMA_3: + case XFER_UDMA_2: + case XFER_UDMA_1: + case XFER_UDMA_0: + set_indexed_reg(hwif, 0x10 + adj, + udma_timings[mode].reg10); + set_indexed_reg(hwif, 0x11 + adj, + udma_timings[mode].reg11); + set_indexed_reg(hwif, 0x12 + adj, + udma_timings[mode].reg12); + break; + + case XFER_MW_DMA_2: + case XFER_MW_DMA_1: + case XFER_MW_DMA_0: + set_indexed_reg(hwif, 0x0e + adj, + mwdma_timings[mode].reg0e); + set_indexed_reg(hwif, 0x0f + adj, + mwdma_timings[mode].reg0f); + break; + case XFER_PIO_4: + case XFER_PIO_3: + case XFER_PIO_2: + case XFER_PIO_1: + case XFER_PIO_0: + set_indexed_reg(hwif, 0x0c + adj, + pio_timings[mode].reg0c); + set_indexed_reg(hwif, 0x0d + adj, + pio_timings[mode].reg0d); + set_indexed_reg(hwif, 0x13 + adj, + pio_timings[mode].reg13); + break; + default: + printk(KERN_ERR "pdc202xx_new: " + "Unknown speed %d ignored\n", speed); + } + } else if (speed == XFER_UDMA_2) { + /* Set tHOLD bit to 0 if using UDMA mode 2 */ + u8 tmp = get_indexed_reg(hwif, 0x10 + adj); - return (ide_config_drive_speed(drive, speed)); + set_indexed_reg(hwif, 0x10 + adj, tmp & 0x7f); + } + + return err; } /* 0 1 2 3 4 5 6 7 8 @@ -168,55 +258,55 @@ static int pdcnew_new_tune_chipset (ide_drive_t *drive, u8 xferspeed) */ static void pdcnew_tune_drive(ide_drive_t *drive, u8 pio) { - u8 speed; - - if (pio == 5) pio = 4; - speed = XFER_PIO_0 + ide_get_best_pio_mode(drive, 255, pio, NULL); - - (void)pdcnew_new_tune_chipset(drive, speed); + pio = ide_get_best_pio_mode(drive, pio, 4, NULL); + (void)pdcnew_tune_chipset(drive, XFER_PIO_0 + pio); } -static u8 pdcnew_new_cable_detect (ide_hwif_t *hwif) +static u8 pdcnew_cable_detect(ide_hwif_t *hwif) { - hwif->OUTB(0x0b, hwif->dma_vendor1); - return ((u8)((hwif->INB(hwif->dma_vendor3) & 0x04))); + return get_indexed_reg(hwif, 0x0b) & 0x04; } -static int config_chipset_for_dma (ide_drive_t *drive) + +static int config_chipset_for_dma(ide_drive_t *drive) { struct hd_driveid *id = drive->id; ide_hwif_t *hwif = HWIF(drive); - u8 speed = -1; - u8 cable; - - u8 ultra_66 = ((id->dma_ultra & 0x0010) || - (id->dma_ultra & 0x0008)) ? 1 : 0; - - cable = pdcnew_new_cable_detect(hwif); + u8 ultra_66 = (id->dma_ultra & 0x0078) ? 1 : 0; + u8 cable = pdcnew_cable_detect(hwif); + u8 speed; if (ultra_66 && cable) { - printk(KERN_WARNING "Warning: %s channel requires an 80-pin cable for operation.\n", hwif->channel ? "Secondary":"Primary"); + printk(KERN_WARNING "Warning: %s channel " + "requires an 80-pin cable for operation.\n", + hwif->channel ? "Secondary" : "Primary"); printk(KERN_WARNING "%s reduced to Ultra33 mode.\n", drive->name); } if (drive->media != ide_disk) return 0; - if (id->capability & 4) { /* IORDY_EN & PREFETCH_EN */ - hwif->OUTB((0x13 + ((drive->dn%2) ? 0x08 : 0x00)), hwif->dma_vendor1); - hwif->OUTB((hwif->INB(hwif->dma_vendor3)|0x03), hwif->dma_vendor3); + + if (id->capability & 4) { + /* + * Set IORDY_EN & PREFETCH_EN (this seems to have + * NO real effect since this register is reloaded + * by hardware when the transfer mode is selected) + */ + u8 tmp, adj = (drive->dn & 1) ? 0x08 : 0x00; + + tmp = get_indexed_reg(hwif, 0x13 + adj); + set_indexed_reg(hwif, 0x13 + adj, tmp | 0x03); } speed = ide_dma_speed(drive, pdcnew_ratemask(drive)); - if (!(speed)) { - hwif->tuneproc(drive, 5); + if (!speed) return 0; - } (void) hwif->speedproc(drive, speed); return ide_dma_enable(drive); } -static int pdcnew_config_drive_xfer_rate (ide_drive_t *drive) +static int pdcnew_config_drive_xfer_rate(ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); struct hd_driveid *id = drive->id; @@ -234,16 +324,16 @@ static int pdcnew_config_drive_xfer_rate (ide_drive_t *drive) } else if ((id->capability & 8) || (id->field_valid & 2)) { fast_ata_pio: - hwif->tuneproc(drive, 5); + hwif->tuneproc(drive, 255); return hwif->ide_dma_off_quietly(drive); } /* IORDY not supported */ return 0; } -static int pdcnew_quirkproc (ide_drive_t *drive) +static int pdcnew_quirkproc(ide_drive_t *drive) { - return ((int) check_in_drive_lists(drive, pdc_quirk_drives)); + return check_in_drive_lists(drive, pdc_quirk_drives); } static int pdcnew_ide_dma_lostirq(ide_drive_t *drive) @@ -260,21 +350,100 @@ static int pdcnew_ide_dma_timeout(ide_drive_t *drive) return __ide_dma_timeout(drive); } -static void pdcnew_new_reset (ide_drive_t *drive) +static void pdcnew_reset(ide_drive_t *drive) { /* * Deleted this because it is redundant from the caller. */ - printk(KERN_WARNING "PDC202XX: %s channel reset.\n", + printk(KERN_WARNING "pdc202xx_new: %s channel reset.\n", HWIF(drive)->channel ? "Secondary" : "Primary"); } +/** + * read_counter - Read the byte count registers + * @dma_base: for the port address + */ +static long __devinit read_counter(u32 dma_base) +{ + u32 pri_dma_base = dma_base, sec_dma_base = dma_base + 0x08; + u8 cnt0, cnt1, cnt2, cnt3; + long count = 0, last; + int retry = 3; + + do { + last = count; + + /* Read the current count */ + outb(0x20, pri_dma_base + 0x01); + cnt0 = inb(pri_dma_base + 0x03); + outb(0x21, pri_dma_base + 0x01); + cnt1 = inb(pri_dma_base + 0x03); + outb(0x20, sec_dma_base + 0x01); + cnt2 = inb(sec_dma_base + 0x03); + outb(0x21, sec_dma_base + 0x01); + cnt3 = inb(sec_dma_base + 0x03); + + count = (cnt3 << 23) | (cnt2 << 15) | (cnt1 << 8) | cnt0; + + /* + * The 30-bit decrementing counter is read in 4 pieces. + * Incorrect value may be read when the most significant bytes + * are changing... + */ + } while (retry-- && (((last ^ count) & 0x3fff8000) || last < count)); + + DBG("cnt0[%02X] cnt1[%02X] cnt2[%02X] cnt3[%02X]\n", + cnt0, cnt1, cnt2, cnt3); + + return count; +} + +/** + * detect_pll_input_clock - Detect the PLL input clock in Hz. + * @dma_base: for the port address + * E.g. 16949000 on 33 MHz PCI bus, i.e. half of the PCI clock. + */ +static long __devinit detect_pll_input_clock(unsigned long dma_base) +{ + long start_count, end_count; + long pll_input; + u8 scr1; + + start_count = read_counter(dma_base); + + /* Start the test mode */ + outb(0x01, dma_base + 0x01); + scr1 = inb(dma_base + 0x03); + DBG("scr1[%02X]\n", scr1); + outb(scr1 | 0x40, dma_base + 0x03); + + /* Let the counter run for 10 ms. */ + mdelay(10); + + end_count = read_counter(dma_base); + + /* Stop the test mode */ + outb(0x01, dma_base + 0x01); + scr1 = inb(dma_base + 0x03); + DBG("scr1[%02X]\n", scr1); + outb(scr1 & ~0x40, dma_base + 0x03); + + /* + * Calculate the input clock in Hz + * (the clock counter is 30 bit wide and counts down) + */ + pll_input = ((start_count - end_count) & 0x3ffffff) * 100; + + DBG("start[%ld] end[%ld]\n", start_count, end_count); + + return pll_input; +} + #ifdef CONFIG_PPC_PMAC static void __devinit apple_kiwi_init(struct pci_dev *pdev) { struct device_node *np = pci_device_to_OF_node(pdev); unsigned int class_rev = 0; - void __iomem *mmio; u8 conf; if (np == NULL || !device_is_compatible(np, "kiwi-root")) @@ -285,30 +454,20 @@ static void __devinit apple_kiwi_init(struct pci_dev *pdev) if (class_rev >= 0x03) { /* Setup chip magic config stuff (from darwin) */ - pci_read_config_byte(pdev, 0x40, &conf); - pci_write_config_byte(pdev, 0x40, conf | 0x01); - } - mmio = ioremap(pci_resource_start(pdev, 5), - pci_resource_len(pdev, 5)); - - /* Setup some PLL stuffs */ - switch (pdev->device) { - case PCI_DEVICE_ID_PROMISE_20270: - writew(0x0d2b, mmio + 0x1202); - mdelay(30); - break; - case PCI_DEVICE_ID_PROMISE_20271: - writew(0x0826, mmio + 0x1202); - mdelay(30); - break; + pci_read_config_byte (pdev, 0x40, &conf); + pci_write_config_byte(pdev, 0x40, (conf | 0x01)); } - - iounmap(mmio); } #endif /* CONFIG_PPC_PMAC */ static unsigned int __devinit init_chipset_pdcnew(struct pci_dev *dev, const char *name) { + unsigned long dma_base = pci_resource_start(dev, 4); + unsigned long sec_dma_base = dma_base + 0x08; + long pll_input, pll_output, ratio; + int f, r; + u8 pll_ctl0, pll_ctl1; + if (dev->resource[PCI_ROM_RESOURCE].start) { pci_write_config_dword(dev, PCI_ROM_ADDRESS, dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE); @@ -320,6 +479,106 @@ static unsigned int __devinit init_chipset_pdcnew(struct pci_dev *dev, const cha apple_kiwi_init(dev); #endif + /* Calculate the required PLL output frequency */ + switch(max_dma_rate(dev)) { + case 4: /* it's 133 MHz for Ultra133 chips */ + pll_output = 133333333; + break; + case 3: /* and 100 MHz for Ultra100 chips */ + default: + pll_output = 100000000; + break; + } + + /* + * Detect PLL input clock. + * On some systems, where PCI bus is running at non-standard clock rate + * (e.g. 25 or 40 MHz), we have to adjust the cycle time. + * PDC20268 and newer chips employ PLL circuit to help correct timing + * registers setting. + */ + pll_input = detect_pll_input_clock(dma_base); + printk("%s: PLL input clock is %ld kHz\n", name, pll_input / 1000); + + /* Sanity check */ + if (unlikely(pll_input < 5000000L || pll_input > 70000000L)) { + printk(KERN_ERR "%s: Bad PLL input clock %ld Hz, giving up!\n", + name, pll_input); + goto out; + } + +#ifdef DEBUG + DBG("pll_output is %ld Hz\n", pll_output); + + /* Show the current clock value of PLL control register + * (maybe already configured by the BIOS) + */ + outb(0x02, sec_dma_base + 0x01); + pll_ctl0 = inb(sec_dma_base + 0x03); + outb(0x03, sec_dma_base + 0x01); + pll_ctl1 = inb(sec_dma_base + 0x03); + + DBG("pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1); +#endif + + /* + * Calculate the ratio of F, R and NO + * POUT = (F + 2) / (( R + 2) * NO) + */ + ratio = pll_output / (pll_input / 1000); + if (ratio < 8600L) { /* 8.6x */ + /* Using NO = 0x01, R = 0x0d */ + r = 0x0d; + } else if (ratio < 12900L) { /* 12.9x */ + /* Using NO = 0x01, R = 0x08 */ + r = 0x08; + } else if (ratio < 16100L) { /* 16.1x */ + /* Using NO = 0x01, R = 0x06 */ + r = 0x06; + } else if (ratio < 64000L) { /* 64x */ + r = 0x00; + } else { + /* Invalid ratio */ + printk(KERN_ERR "%s: Bad ratio %ld, giving up!\n", name, ratio); + goto out; + } + + f = (ratio * (r + 2)) / 1000 - 2; + + DBG("F[%d] R[%d] ratio*1000[%ld]\n", f, r, ratio); + + if (unlikely(f < 0 || f > 127)) { + /* Invalid F */ + printk(KERN_ERR "%s: F[%d] invalid!\n", name, f); + goto out; + } + + pll_ctl0 = (u8) f; + pll_ctl1 = (u8) r; + + DBG("Writing pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1); + + outb(0x02, sec_dma_base + 0x01); + outb(pll_ctl0, sec_dma_base + 0x03); + outb(0x03, sec_dma_base + 0x01); + outb(pll_ctl1, sec_dma_base + 0x03); + + /* Wait the PLL circuit to be stable */ + mdelay(30); + +#ifdef DEBUG + /* + * Show the current clock value of PLL control register + */ + outb(0x02, sec_dma_base + 0x01); + pll_ctl0 = inb(sec_dma_base + 0x03); + outb(0x03, sec_dma_base + 0x01); + pll_ctl1 = inb(sec_dma_base + 0x03); + + DBG("pll_ctl[%02X][%02X]\n", pll_ctl0, pll_ctl1); +#endif + + out: return dev->irq; } @@ -329,8 +588,8 @@ static void __devinit init_hwif_pdc202new(ide_hwif_t *hwif) hwif->tuneproc = &pdcnew_tune_drive; hwif->quirkproc = &pdcnew_quirkproc; - hwif->speedproc = &pdcnew_new_tune_chipset; - hwif->resetproc = &pdcnew_new_reset; + hwif->speedproc = &pdcnew_tune_chipset; + hwif->resetproc = &pdcnew_reset; hwif->drives[0].autotune = hwif->drives[1].autotune = 1; @@ -342,11 +601,14 @@ static void __devinit init_hwif_pdc202new(ide_hwif_t *hwif) hwif->ide_dma_check = &pdcnew_config_drive_xfer_rate; hwif->ide_dma_lostirq = &pdcnew_ide_dma_lostirq; hwif->ide_dma_timeout = &pdcnew_ide_dma_timeout; - if (!(hwif->udma_four)) - hwif->udma_four = (pdcnew_new_cable_detect(hwif)) ? 0 : 1; + + if (!hwif->udma_four) + hwif->udma_four = pdcnew_cable_detect(hwif) ? 0 : 1; + if (!noautodma) hwif->autodma = 1; hwif->drives[0].autodma = hwif->drives[1].autodma = hwif->autodma; + #if PDC202_DEBUG_CABLE printk(KERN_DEBUG "%s: %s-pin cable\n", hwif->name, hwif->udma_four ? "80" : "40"); @@ -362,6 +624,7 @@ static int __devinit init_setup_pdc20270(struct pci_dev *dev, ide_pci_device_t *d) { struct pci_dev *findev = NULL; + int ret; if ((dev->bus->self && dev->bus->self->vendor == PCI_VENDOR_ID_DEC) && @@ -369,14 +632,16 @@ static int __devinit init_setup_pdc20270(struct pci_dev *dev, if (PCI_SLOT(dev->devfn) & 2) return -ENODEV; d->extra = 0; - while ((findev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, findev)) != NULL) { + while ((findev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, findev)) != NULL) { if ((findev->vendor == dev->vendor) && (findev->device == dev->device) && (PCI_SLOT(findev->devfn) & 2)) { if (findev->irq != dev->irq) { findev->irq = dev->irq; } - return ide_setup_pci_devices(dev, findev, d); + ret = ide_setup_pci_devices(dev, findev, d); + pci_dev_put(findev); + return ret; } } } diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c index cdc3aab9ebcb..b1e9a8eba6b6 100644 --- a/drivers/ide/pci/piix.c +++ b/drivers/ide/pci/piix.c @@ -505,6 +505,10 @@ static void __devinit init_hwif_piix(ide_hwif_t *hwif) /* This is a painful system best to let it self tune for now */ return; } + /* ESB2 appears to generate spurious DMA interrupts in PIO mode + when in native mode */ + if (hwif->pci_dev->device == PCI_DEVICE_ID_INTEL_ESB2_18) + hwif->atapi_irq_bogon = 1; hwif->autodma = 0; hwif->tuneproc = &piix_tune_drive; diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c index f3fe287fbd89..cfad09accf52 100644 --- a/drivers/ide/pci/sgiioc4.c +++ b/drivers/ide/pci/sgiioc4.c @@ -768,14 +768,7 @@ ioc4_ide_init(void) return ioc4_register_submodule(&ioc4_ide_submodule); } -static void __devexit -ioc4_ide_exit(void) -{ - ioc4_unregister_submodule(&ioc4_ide_submodule); -} - -module_init(ioc4_ide_init); -module_exit(ioc4_ide_exit); +late_initcall(ioc4_ide_init); /* Call only after IDE init is done */ MODULE_AUTHOR("Aniket Malatpure/Jeremy Higdon"); MODULE_DESCRIPTION("IDE PCI driver module for SGI IOC4 Base-IO Card"); diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c index 92edf76bd7ad..6b313139b5e4 100644 --- a/drivers/ide/pci/sis5513.c +++ b/drivers/ide/pci/sis5513.c @@ -800,9 +800,10 @@ static unsigned int __devinit init_chipset_sis5513 (struct pci_dev *dev, const c if (trueid == 0x5517) { /* SiS 961/961B */ - lpc_bridge = pci_find_slot(0x00, 0x10); /* Bus 0, Dev 2, Fn 0 */ + lpc_bridge = pci_get_slot(dev->bus, 0x10); /* Bus 0, Dev 2, Fn 0 */ pci_read_config_byte(lpc_bridge, PCI_REVISION_ID, &sbrev); pci_read_config_byte(dev, 0x49, &prefctl); + pci_dev_put(lpc_bridge); if (sbrev == 0x10 && (prefctl & 0x80)) { printk(KERN_INFO "SIS5513: SiS 961B MuTIOL IDE UDMA133 controller\n"); diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c index 0b4b60498515..5afefe8692fe 100644 --- a/drivers/ide/pci/sl82c105.c +++ b/drivers/ide/pci/sl82c105.c @@ -299,14 +299,14 @@ static void sl82c105_selectproc(ide_drive_t *drive) //DBG(("sl82c105_selectproc(drive:%s)\n", drive->name)); mask = hwif->channel ? CTRL_P1F16 : CTRL_P0F16; - old = val = *((u32 *)&hwif->hwif_data); + old = val = (u32)pci_get_drvdata(dev); if (drive->using_dma) val &= ~mask; else val |= mask; if (old != val) { pci_write_config_dword(dev, 0x40, val); - *((u32 *)&hwif->hwif_data) = val; + pci_set_drvdata(dev, (void *)val); } } @@ -316,14 +316,13 @@ static void sl82c105_selectproc(ide_drive_t *drive) */ static void sl82c105_resetproc(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - struct pci_dev *dev = hwif->pci_dev; + struct pci_dev *dev = HWIF(drive)->pci_dev; u32 val; DBG(("sl82c105_resetproc(drive:%s)\n", drive->name)); pci_read_config_dword(dev, 0x40, &val); - *((u32 *)&hwif->hwif_data) = val; + pci_set_drvdata(dev, (void *)val); } /* @@ -394,6 +393,7 @@ static unsigned int __devinit init_chipset_sl82c105(struct pci_dev *dev, const c pci_read_config_dword(dev, 0x40, &val); val |= CTRL_P0EN | CTRL_P0F16 | CTRL_P1F16; pci_write_config_dword(dev, 0x40, val); + pci_set_drvdata(dev, (void *)val); return dev->irq; } @@ -404,30 +404,25 @@ static unsigned int __devinit init_chipset_sl82c105(struct pci_dev *dev, const c static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif) { - struct pci_dev *dev = hwif->pci_dev; unsigned int rev; u8 dma_state; - u32 val; - + DBG(("init_hwif_sl82c105(hwif: ide%d)\n", hwif->index)); hwif->tuneproc = tune_sl82c105; hwif->selectproc = sl82c105_selectproc; hwif->resetproc = sl82c105_resetproc; - - /* Default to PIO 0 for fallback unless tuned otherwise, - * we always autotune PIO, this is done before DMA is - * checked, so there is no risk of accidentally disabling - * DMA - */ + + /* + * Default to PIO 0 for fallback unless tuned otherwise. + * We always autotune PIO, this is done before DMA is checked, + * so there's no risk of accidentally disabling DMA + */ hwif->drives[0].pio_speed = XFER_PIO_0; hwif->drives[0].autotune = 1; - hwif->drives[1].pio_speed = XFER_PIO_1; + hwif->drives[1].pio_speed = XFER_PIO_0; hwif->drives[1].autotune = 1; - pci_read_config_dword(dev, 0x40, &val); - *((u32 *)&hwif->hwif_data) = val; - hwif->atapi_dma = 0; hwif->mwdma_mask = 0; hwif->swdma_mask = 0; diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c index 2af634d7acf4..61f1a9665a7f 100644 --- a/drivers/ide/pci/via82cxxx.c +++ b/drivers/ide/pci/via82cxxx.c @@ -35,7 +35,7 @@ #include <linux/ide.h> #include <asm/io.h> -#ifdef CONFIG_PPC_MULTIPLATFORM +#ifdef CONFIG_PPC_CHRP #include <asm/processor.h> #endif @@ -282,11 +282,11 @@ static unsigned int __devinit init_chipset_via82cxxx(struct pci_dev *dev, const * Find the ISA bridge to see how good the IDE is. */ via_config = via_config_find(&isa); - if (!via_config->id) { - printk(KERN_WARNING "VP_IDE: Unknown VIA SouthBridge, disabling DMA.\n"); - pci_dev_put(isa); - return -ENODEV; - } + + /* We checked this earlier so if it fails here deeep badness + is involved */ + + BUG_ON(!via_config->id); /* * Setup or disable Clk66 if appropriate @@ -442,7 +442,7 @@ static void __devinit init_hwif_via82cxxx(ide_hwif_t *hwif) hwif->speedproc = &via_set_drive; -#if defined(CONFIG_PPC_CHRP) && defined(CONFIG_PPC32) +#ifdef CONFIG_PPC_CHRP if(machine_is(chrp) && _chrp_type == _CHRP_Pegasos) { hwif->irq = hwif->channel ? 15 : 14; } @@ -494,6 +494,17 @@ static ide_pci_device_t via82cxxx_chipsets[] __devinitdata = { static int __devinit via_init_one(struct pci_dev *dev, const struct pci_device_id *id) { + struct pci_dev *isa = NULL; + struct via_isa_bridge *via_config; + /* + * Find the ISA bridge and check we know what it is. + */ + via_config = via_config_find(&isa); + pci_dev_put(isa); + if (!via_config->id) { + printk(KERN_WARNING "VP_IDE: Unknown VIA SouthBridge, disabling DMA.\n"); + return -ENODEV; + } return ide_setup_pci_device(dev, &via82cxxx_chipsets[id->driver_data]); } diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c index 0719b6484824..695e23904d30 100644 --- a/drivers/ide/setup-pci.c +++ b/drivers/ide/setup-pci.c @@ -844,11 +844,11 @@ void __init ide_scan_pcibus (int scan_direction) pre_init = 0; if (!scan_direction) { - while ((dev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { + while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { ide_scan_pcidev(dev); } } else { - while ((dev = pci_find_device_reverse(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { + while ((dev = pci_get_device_reverse(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { ide_scan_pcidev(dev); } } |