diff options
Diffstat (limited to 'drivers/ide')
-rw-r--r-- | drivers/ide/Makefile | 2 | ||||
-rw-r--r-- | drivers/ide/cy82c693.c | 2 | ||||
-rw-r--r-- | drivers/ide/ide-atapi.c | 3 | ||||
-rw-r--r-- | drivers/ide/ide-cd.c | 22 | ||||
-rw-r--r-- | drivers/ide/ide-cd.h | 3 | ||||
-rw-r--r-- | drivers/ide/ide-cd_ioctl.c | 14 | ||||
-rw-r--r-- | drivers/ide/ide-floppy.c | 2 | ||||
-rw-r--r-- | drivers/ide/ide-gd.c | 19 | ||||
-rw-r--r-- | drivers/ide/ide-io.c | 45 | ||||
-rw-r--r-- | drivers/ide/ide-park.c | 2 | ||||
-rw-r--r-- | drivers/ide/ide-taskfile.c | 2 | ||||
-rw-r--r-- | drivers/ide/piix.c | 4 | ||||
-rw-r--r-- | drivers/ide/sis5513.c | 4 | ||||
-rw-r--r-- | drivers/ide/triflex.c | 2 | ||||
-rw-r--r-- | drivers/ide/via82cxxx.c | 2 |
15 files changed, 69 insertions, 59 deletions
diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile index 81df925f0e8..7f879b2397b 100644 --- a/drivers/ide/Makefile +++ b/drivers/ide/Makefile @@ -2,7 +2,7 @@ # link order is important here # -EXTRA_CFLAGS += -Idrivers/ide +ccflags-y := -Idrivers/ide ide-core-y += ide.o ide-ioctls.o ide-io.o ide-iops.o ide-lib.o ide-probe.o \ ide-taskfile.o ide-pm.o ide-park.o ide-sysfs.o ide-devsets.o \ diff --git a/drivers/ide/cy82c693.c b/drivers/ide/cy82c693.c index 9383f67deae..3be60da5212 100644 --- a/drivers/ide/cy82c693.c +++ b/drivers/ide/cy82c693.c @@ -67,7 +67,7 @@ static void cy82c693_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive) /* * note: below we set the value for Bus Master IDE TimeOut Register - * I'm not absolutly sure what this does, but it solved my problem + * I'm not absolutely sure what this does, but it solved my problem * with IDE DMA and sound, so I now can play sound and work with * my IDE driver at the same time :-) * diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index e88a2cf1771..6f218e014e9 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -233,8 +233,7 @@ int ide_queue_sense_rq(ide_drive_t *drive, void *special) drive->hwif->rq = NULL; - elv_add_request(drive->queue, &drive->sense_rq, - ELEVATOR_INSERT_FRONT, 0); + elv_add_request(drive->queue, &drive->sense_rq, ELEVATOR_INSERT_FRONT); return 0; } EXPORT_SYMBOL_GPL(ide_queue_sense_rq); diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 0c73fe39a23..a5ec5a7cb38 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -258,17 +258,10 @@ static int ide_cd_breathe(ide_drive_t *drive, struct request *rq) if (time_after(jiffies, info->write_timeout)) return 0; else { - struct request_queue *q = drive->queue; - unsigned long flags; - /* - * take a breather relying on the unplug timer to kick us again + * take a breather */ - - spin_lock_irqsave(q->queue_lock, flags); - blk_plug_device(q); - spin_unlock_irqrestore(q->queue_lock, flags); - + blk_delay_queue(drive->queue, 1); return 1; } } @@ -1177,7 +1170,7 @@ static struct cdrom_device_ops ide_cdrom_dops = { .open = ide_cdrom_open_real, .release = ide_cdrom_release_real, .drive_status = ide_cdrom_drive_status, - .media_changed = ide_cdrom_check_media_change_real, + .check_events = ide_cdrom_check_events_real, .tray_move = ide_cdrom_tray_move, .lock_door = ide_cdrom_lock_door, .select_speed = ide_cdrom_select_speed, @@ -1514,8 +1507,6 @@ static int ide_cdrom_setup(ide_drive_t *drive) blk_queue_dma_alignment(q, 31); blk_queue_update_dma_pad(q, 15); - q->unplug_delay = max((1 * HZ) / 1000, 1); - drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED; drive->atapi_flags = IDE_AFLAG_NO_EJECT | ide_cd_flags(id); @@ -1702,10 +1693,11 @@ static int idecd_ioctl(struct block_device *bdev, fmode_t mode, } -static int idecd_media_changed(struct gendisk *disk) +static unsigned int idecd_check_events(struct gendisk *disk, + unsigned int clearing) { struct cdrom_info *info = ide_drv_g(disk, cdrom_info); - return cdrom_media_changed(&info->devinfo); + return cdrom_check_events(&info->devinfo, clearing); } static int idecd_revalidate_disk(struct gendisk *disk) @@ -1723,7 +1715,7 @@ static const struct block_device_operations idecd_ops = { .open = idecd_open, .release = idecd_release, .ioctl = idecd_ioctl, - .media_changed = idecd_media_changed, + .check_events = idecd_check_events, .revalidate_disk = idecd_revalidate_disk }; diff --git a/drivers/ide/ide-cd.h b/drivers/ide/ide-cd.h index 93a3cf1b0f3..1efc936f5b6 100644 --- a/drivers/ide/ide-cd.h +++ b/drivers/ide/ide-cd.h @@ -111,7 +111,8 @@ int cdrom_check_status(ide_drive_t *, struct request_sense *); int ide_cdrom_open_real(struct cdrom_device_info *, int); void ide_cdrom_release_real(struct cdrom_device_info *); int ide_cdrom_drive_status(struct cdrom_device_info *, int); -int ide_cdrom_check_media_change_real(struct cdrom_device_info *, int); +unsigned int ide_cdrom_check_events_real(struct cdrom_device_info *, + unsigned int clearing, int slot_nr); int ide_cdrom_tray_move(struct cdrom_device_info *, int); int ide_cdrom_lock_door(struct cdrom_device_info *, int); int ide_cdrom_select_speed(struct cdrom_device_info *, int); diff --git a/drivers/ide/ide-cd_ioctl.c b/drivers/ide/ide-cd_ioctl.c index 766b3deeb23..02caa7dd51c 100644 --- a/drivers/ide/ide-cd_ioctl.c +++ b/drivers/ide/ide-cd_ioctl.c @@ -79,8 +79,14 @@ int ide_cdrom_drive_status(struct cdrom_device_info *cdi, int slot_nr) return CDS_DRIVE_NOT_READY; } -int ide_cdrom_check_media_change_real(struct cdrom_device_info *cdi, - int slot_nr) +/* + * ide-cd always generates media changed event if media is missing, which + * makes it impossible to use for proper event reporting, so disk->events + * is cleared to 0 and the following function is used only to trigger + * revalidation and never propagated to userland. + */ +unsigned int ide_cdrom_check_events_real(struct cdrom_device_info *cdi, + unsigned int clearing, int slot_nr) { ide_drive_t *drive = cdi->handle; int retval; @@ -89,9 +95,9 @@ int ide_cdrom_check_media_change_real(struct cdrom_device_info *cdi, (void) cdrom_check_status(drive, NULL); retval = (drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED) ? 1 : 0; drive->dev_flags &= ~IDE_DFLAG_MEDIA_CHANGED; - return retval; + return retval ? DISK_EVENT_MEDIA_CHANGE : 0; } else { - return -EINVAL; + return 0; } } diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 5406b6ea3ad..5a702d02c84 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -107,7 +107,7 @@ static int ide_floppy_callback(ide_drive_t *drive, int dsc) static void ide_floppy_report_error(struct ide_disk_obj *floppy, struct ide_atapi_pc *pc) { - /* supress error messages resulting from Medium not present */ + /* suppress error messages resulting from Medium not present */ if (floppy->sense_key == 0x02 && floppy->asc == 0x3a && floppy->ascq == 0x00) diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c index 35c4b43585e..70ea8763567 100644 --- a/drivers/ide/ide-gd.c +++ b/drivers/ide/ide-gd.c @@ -285,11 +285,12 @@ static int ide_gd_getgeo(struct block_device *bdev, struct hd_geometry *geo) return 0; } -static int ide_gd_media_changed(struct gendisk *disk) +static unsigned int ide_gd_check_events(struct gendisk *disk, + unsigned int clearing) { struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj); ide_drive_t *drive = idkp->drive; - int ret; + bool ret; /* do not scan partitions twice if this is a removable device */ if (drive->dev_flags & IDE_DFLAG_ATTACH) { @@ -297,10 +298,16 @@ static int ide_gd_media_changed(struct gendisk *disk) return 0; } - ret = !!(drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED); + /* + * The following is used to force revalidation on the first open on + * removeable devices, and never gets reported to userland as + * genhd->events is 0. This is intended as removeable ide disk + * can't really detect MEDIA_CHANGE events. + */ + ret = drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED; drive->dev_flags &= ~IDE_DFLAG_MEDIA_CHANGED; - return ret; + return ret ? DISK_EVENT_MEDIA_CHANGE : 0; } static void ide_gd_unlock_native_capacity(struct gendisk *disk) @@ -318,7 +325,7 @@ static int ide_gd_revalidate_disk(struct gendisk *disk) struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj); ide_drive_t *drive = idkp->drive; - if (ide_gd_media_changed(disk)) + if (ide_gd_check_events(disk, 0)) drive->disk_ops->get_capacity(drive); set_capacity(disk, ide_gd_capacity(drive)); @@ -340,7 +347,7 @@ static const struct block_device_operations ide_gd_ops = { .release = ide_gd_release, .ioctl = ide_gd_ioctl, .getgeo = ide_gd_getgeo, - .media_changed = ide_gd_media_changed, + .check_events = ide_gd_check_events, .unlock_native_capacity = ide_gd_unlock_native_capacity, .revalidate_disk = ide_gd_revalidate_disk }; diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 999dac054bc..177db6d5b2f 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -430,6 +430,26 @@ static inline void ide_unlock_host(struct ide_host *host) } } +static void __ide_requeue_and_plug(struct request_queue *q, struct request *rq) +{ + if (rq) + blk_requeue_request(q, rq); + if (rq || blk_peek_request(q)) { + /* Use 3ms as that was the old plug delay */ + blk_delay_queue(q, 3); + } +} + +void ide_requeue_and_plug(ide_drive_t *drive, struct request *rq) +{ + struct request_queue *q = drive->queue; + unsigned long flags; + + spin_lock_irqsave(q->queue_lock, flags); + __ide_requeue_and_plug(q, rq); + spin_unlock_irqrestore(q->queue_lock, flags); +} + /* * Issue a new request to a device. */ @@ -440,6 +460,7 @@ void do_ide_request(struct request_queue *q) struct ide_host *host = hwif->host; struct request *rq = NULL; ide_startstop_t startstop; + unsigned long queue_run_ms = 3; /* old plug delay */ spin_unlock_irq(q->queue_lock); @@ -459,6 +480,9 @@ repeat: prev_port = hwif->host->cur_port; if (drive->dev_flags & IDE_DFLAG_SLEEPING && time_after(drive->sleep, jiffies)) { + unsigned long left = jiffies - drive->sleep; + + queue_run_ms = jiffies_to_msecs(left + 1); ide_unlock_port(hwif); goto plug_device; } @@ -546,26 +570,7 @@ plug_device: ide_unlock_host(host); plug_device_2: spin_lock_irq(q->queue_lock); - - if (rq) - blk_requeue_request(q, rq); - if (!elv_queue_empty(q)) - blk_plug_device(q); -} - -void ide_requeue_and_plug(ide_drive_t *drive, struct request *rq) -{ - struct request_queue *q = drive->queue; - unsigned long flags; - - spin_lock_irqsave(q->queue_lock, flags); - - if (rq) - blk_requeue_request(q, rq); - if (!elv_queue_empty(q)) - blk_plug_device(q); - - spin_unlock_irqrestore(q->queue_lock, flags); + __ide_requeue_and_plug(q, rq); } static int drive_is_ready(ide_drive_t *drive) diff --git a/drivers/ide/ide-park.c b/drivers/ide/ide-park.c index 88a380c5a47..6ab9ab2a508 100644 --- a/drivers/ide/ide-park.c +++ b/drivers/ide/ide-park.c @@ -52,7 +52,7 @@ static void issue_park_cmd(ide_drive_t *drive, unsigned long timeout) rq->cmd[0] = REQ_UNPARK_HEADS; rq->cmd_len = 1; rq->cmd_type = REQ_TYPE_SPECIAL; - elv_add_request(q, rq, ELEVATOR_INSERT_FRONT, 1); + elv_add_request(q, rq, ELEVATOR_INSERT_FRONT); out: return; diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index 34b9872f35d..600c89a3d13 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -201,7 +201,7 @@ static u8 wait_drive_not_busy(ide_drive_t *drive) u8 stat; /* - * Last sector was transfered, wait until device is ready. This can + * Last sector was transferred, wait until device is ready. This can * take up to 6 ms on some ATAPI devices, so we will wait max 10 ms. */ for (retries = 0; retries < 1000; retries++) { diff --git a/drivers/ide/piix.c b/drivers/ide/piix.c index 1bdca49e5a0..b59d04c7205 100644 --- a/drivers/ide/piix.c +++ b/drivers/ide/piix.c @@ -8,8 +8,8 @@ * * Documentation: * - * Publically available from Intel web site. Errata documentation - * is also publically available. As an aide to anyone hacking on this + * Publicly available from Intel web site. Errata documentation + * is also publicly available. As an aide to anyone hacking on this * driver the list of errata that are relevant is below.going back to * PIIX4. Older device documentation is now a bit tricky to find. * diff --git a/drivers/ide/sis5513.c b/drivers/ide/sis5513.c index db7f4e761db..4a002256775 100644 --- a/drivers/ide/sis5513.c +++ b/drivers/ide/sis5513.c @@ -53,7 +53,7 @@ #define DRV_NAME "sis5513" -/* registers layout and init values are chipset family dependant */ +/* registers layout and init values are chipset family dependent */ #define ATA_16 0x01 #define ATA_33 0x02 @@ -406,7 +406,7 @@ static int __devinit sis_find_family(struct pci_dev *dev) pci_name(dev)); chipset_family = ATA_133; - /* Check for 5513 compability mapping + /* Check for 5513 compatibility mapping * We must use this, else the port enabled code will fail, * as it expects the enablebits at 0x4a. */ diff --git a/drivers/ide/triflex.c b/drivers/ide/triflex.c index 7953447eae0..e53a1b78378 100644 --- a/drivers/ide/triflex.c +++ b/drivers/ide/triflex.c @@ -22,7 +22,7 @@ * Loosely based on the piix & svwks drivers. * * Documentation: - * Not publically available. + * Not publicly available. */ #include <linux/types.h> diff --git a/drivers/ide/via82cxxx.c b/drivers/ide/via82cxxx.c index d2a0997b78f..f46f49cfcc2 100644 --- a/drivers/ide/via82cxxx.c +++ b/drivers/ide/via82cxxx.c @@ -14,7 +14,7 @@ * Andre Hedrick * * Documentation: - * Obsolete device documentation publically available from via.com.tw + * Obsolete device documentation publicly available from via.com.tw * Current device documentation available under NDA only */ |