diff options
Diffstat (limited to 'drivers/ide')
| -rw-r--r-- | drivers/ide/Kconfig | 22 | ||||
| -rw-r--r-- | drivers/ide/ide-dma.c | 5 | ||||
| -rw-r--r-- | drivers/ide/ide-io.c | 5 | ||||
| -rw-r--r-- | drivers/ide/ide-iops.c | 8 | ||||
| -rw-r--r-- | drivers/ide/ide-probe.c | 5 | ||||
| -rw-r--r-- | drivers/ide/ide-taskfile.c | 3 | ||||
| -rw-r--r-- | drivers/ide/pci/piix.c | 1 |
7 files changed, 38 insertions, 11 deletions
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index 6eaece96524..d1e8df18722 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -152,9 +152,22 @@ config BLK_DEV_IDEDISK If unsure, say Y. config IDEDISK_MULTI_MODE - bool "Use multi-mode by default" - help - If you get this error, try to say Y here: + bool "Use multiple sector mode for Programmed Input/Output by default" + help + This setting is irrelevant for most IDE disks, with direct memory + access, to which multiple sector mode does not apply. Multiple sector + mode is a feature of most modern IDE hard drives, permitting the + transfer of multiple sectors per Programmed Input/Output interrupt, + rather than the usual one sector per interrupt. When this feature is + enabled, it can reduce operating system overhead for disk Programmed + Input/Output. On some systems, it also can increase the data + throughput of Programmed Input/Output. Some drives, however, seemed + to run slower with multiple sector mode enabled. Some drives claimed + to support multiple sector mode, but lost data at some settings. + Under rare circumstances, such failures could result in massive + filesystem corruption. + + If you get the following error, try to say Y here: hda: set_multmode: status=0x51 { DriveReady SeekComplete Error } hda: set_multmode: error=0x04 { DriveStatusError } @@ -380,9 +393,10 @@ config IDEPCI_SHARE_IRQ config IDEPCI_PCIBUS_ORDER def_bool BLK_DEV_IDE=y && BLK_DEV_IDEPCI +# TODO: split it on per host driver config options (or module parameters) config BLK_DEV_OFFBOARD bool "Boot off-board chipsets first support" - depends on BLK_DEV_IDEPCI + depends on BLK_DEV_IDEPCI && (BLK_DEV_AEC62XX || BLK_DEV_GENERIC || BLK_DEV_HPT34X || BLK_DEV_HPT366 || BLK_DEV_PDC202XX_NEW || BLK_DEV_PDC202XX_OLD || BLK_DEV_TC86C001) help Normally, IDE controllers built into the motherboard (on-board controllers) are assigned to ide0 and ide1 while those on add-in PCI diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 428f7a8a00b..e3add70b9cd 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -340,7 +340,7 @@ static int config_drive_for_dma (ide_drive_t *drive) if (drive->media != ide_disk) { if (hwif->host_flags & IDE_HFLAG_NO_ATAPI_DMA) - return -1; + return 0; } /* @@ -752,7 +752,8 @@ u8 ide_find_dma_mode(ide_drive_t *drive, u8 req_mode) mode = XFER_MW_DMA_1; } - printk(KERN_DEBUG "%s: selected mode 0x%x\n", drive->name, mode); + printk(KERN_DEBUG "%s: %s mode selected\n", drive->name, + mode ? ide_xfer_verbose(mode) : "no DMA"); return min(mode, req_mode); } diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index c89f0d3058e..755011827af 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -340,6 +340,8 @@ void ide_end_drive_cmd (ide_drive_t *drive, u8 stat, u8 err) if (args) { args[0] = stat; args[1] = err; + /* be sure we're looking at the low order bits */ + hwif->OUTB(drive->ctl & ~0x80, IDE_CONTROL_REG); args[2] = hwif->INB(IDE_NSECTOR_REG); args[3] = hwif->INB(IDE_SECTOR_REG); args[4] = hwif->INB(IDE_LCYL_REG); @@ -654,7 +656,8 @@ static ide_startstop_t drive_cmd_intr (ide_drive_t *drive) int retries = 10; local_irq_enable_in_hardirq(); - if ((stat & DRQ_STAT) && args && args[3]) { + if (rq->cmd_type == REQ_TYPE_ATA_CMD && + (stat & DRQ_STAT) && args && args[3]) { u8 io_32bit = drive->io_32bit; drive->io_32bit = 0; hwif->ata_input_data(drive, &args[4], args[3] * SECTOR_WORDS); diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index dcda0f109df..e17a9ee120e 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -403,8 +403,12 @@ void ide_fix_driveid (struct hd_driveid *id) #endif } -/* FIXME: exported for use by the USB storage (isd200.c) code only */ -EXPORT_SYMBOL(ide_fix_driveid); +/* + * ide_fixstring() cleans up and (optionally) byte-swaps a text string, + * removing leading/trailing blanks and compressing internal blanks. + * It is primarily used to tidy up the model name/number fields as + * returned by the WIN_[P]IDENTIFY commands. + */ void ide_fixstring (u8 *s, const int bytecount, const int byteswap) { diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 6a6f2e066b4..56fb0b84342 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -172,11 +172,12 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) ide_fixstring(id->fw_rev, sizeof(id->fw_rev), bswap); ide_fixstring(id->serial_no, sizeof(id->serial_no), bswap); + /* we depend on this a lot! */ + id->model[sizeof(id->model)-1] = '\0'; + if (strstr(id->model, "E X A B Y T E N E S T")) goto err_misc; - /* we depend on this a lot! */ - id->model[sizeof(id->model)-1] = '\0'; printk("%s: %s, ", drive->name, id->model); drive->present = 1; drive->dead = 0; diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index d066546f283..2b60f1b0437 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -471,6 +471,7 @@ static int ide_diag_taskfile(ide_drive_t *drive, ide_task_t *args, unsigned long struct request rq; memset(&rq, 0, sizeof(rq)); + rq.ref_count = 1; rq.cmd_type = REQ_TYPE_ATA_TASKFILE; rq.buffer = buf; @@ -511,6 +512,7 @@ int ide_raw_taskfile (ide_drive_t *drive, ide_task_t *args, u8 *buf) EXPORT_SYMBOL(ide_raw_taskfile); +#ifdef CONFIG_IDE_TASK_IOCTL int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) { ide_task_request_t *req_task; @@ -660,6 +662,7 @@ abort: return err; } +#endif int ide_wait_cmd (ide_drive_t *drive, u8 cmd, u8 nsect, u8 feature, u8 sectors, u8 *buf) { diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c index 9329d4a810e..63625a0be71 100644 --- a/drivers/ide/pci/piix.c +++ b/drivers/ide/pci/piix.c @@ -302,6 +302,7 @@ struct ich_laptop { static const struct ich_laptop ich_laptop[] = { /* devid, subvendor, subdev */ + { 0x27DF, 0x1025, 0x0102 }, /* ICH7 on Acer 5602aWLMi */ { 0x27DF, 0x0005, 0x0280 }, /* ICH7 on Acer 5602WLMi */ { 0x27DF, 0x1025, 0x0110 }, /* ICH7 on Acer 3682WLMi */ { 0x27DF, 0x1043, 0x1267 }, /* ICH7 on Asus W5F */ |