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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-04 09:59:32 +00:00
ide: remove drive->ctl
Remove drive->ctl (it is always equal to 0x08 after init time). While at it: * Use ATA_DEVCTL_OBS define. There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
parent
0fd04dcc2e
commit
ff07488346
9 changed files with 15 additions and 18 deletions
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@ -96,7 +96,7 @@ static void h8300_tf_read(ide_drive_t *drive, ide_task_t *task)
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}
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/* be sure we're looking at the low order bits */
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outb(drive->ctl & ~0x80, io_ports->ctl_addr);
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outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr);
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if (task->tf_flags & IDE_TFLAG_IN_NSECT)
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tf->nsect = inb(io_ports->nsect_addr);
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@ -110,7 +110,7 @@ static void h8300_tf_read(ide_drive_t *drive, ide_task_t *task)
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tf->device = inb(io_ports->device_addr);
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if (task->tf_flags & IDE_TFLAG_LBA48) {
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outb(drive->ctl | 0x80, io_ports->ctl_addr);
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outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr);
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if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
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tf->hob_feature = inb(io_ports->feature_addr);
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@ -186,7 +186,7 @@ static void ide_tf_read(ide_drive_t *drive, ide_task_t *task)
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}
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/* be sure we're looking at the low order bits */
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tf_outb(drive->ctl & ~0x80, io_ports->ctl_addr);
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tf_outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr);
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if (task->tf_flags & IDE_TFLAG_IN_NSECT)
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tf->nsect = tf_inb(io_ports->nsect_addr);
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@ -200,7 +200,7 @@ static void ide_tf_read(ide_drive_t *drive, ide_task_t *task)
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tf->device = tf_inb(io_ports->device_addr);
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if (task->tf_flags & IDE_TFLAG_LBA48) {
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tf_outb(drive->ctl | 0x80, io_ports->ctl_addr);
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tf_outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr);
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if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
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tf->hob_feature = tf_inb(io_ports->feature_addr);
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@ -1125,13 +1125,13 @@ static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi)
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* recover from reset very quickly, saving us the first 50ms wait time.
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*/
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/* set SRST and nIEN */
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hwif->OUTBSYNC(hwif, drive->ctl | 6, io_ports->ctl_addr);
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hwif->OUTBSYNC(hwif, ATA_DEVCTL_OBS | 6, io_ports->ctl_addr);
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/* more than enough time */
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udelay(10);
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if (drive->quirk_list == 2)
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ctl = drive->ctl; /* clear SRST and nIEN */
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ctl = ATA_DEVCTL_OBS; /* clear SRST and nIEN */
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else
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ctl = drive->ctl | 2; /* clear SRST, leave nIEN */
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ctl = ATA_DEVCTL_OBS | 2; /* clear SRST, leave nIEN */
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hwif->OUTBSYNC(hwif, ctl, io_ports->ctl_addr);
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/* more than enough time */
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udelay(10);
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@ -1065,7 +1065,7 @@ static int init_irq (ide_hwif_t *hwif)
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if (io_ports->ctl_addr)
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/* clear nIEN */
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hwif->OUTBSYNC(hwif, 0x08, io_ports->ctl_addr);
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hwif->OUTBSYNC(hwif, ATA_DEVCTL_OBS, io_ports->ctl_addr);
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if (request_irq(hwif->irq,&ide_intr,sa,hwif->name,hwgroup))
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goto out_unlink;
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@ -136,7 +136,6 @@ static void ide_port_init_devices_data(ide_hwif_t *hwif)
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drive->media = ide_disk;
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drive->select.all = (unit<<4)|0xa0;
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drive->hwif = hwif;
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drive->ctl = 0x08;
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drive->ready_stat = READY_STAT;
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drive->bad_wstat = BAD_W_STAT;
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drive->special.b.recalibrate = 1;
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@ -759,8 +759,7 @@ static void hpt3xx_maskproc(ide_drive_t *drive, int mask)
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enable_irq (hwif->irq);
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}
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} else
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outb(mask ? (drive->ctl | 2) : (drive->ctl & ~2),
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hwif->io_ports.ctl_addr);
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outb(ATA_DEVCTL_OBS | (mask ? 2 : 0), hwif->io_ports.ctl_addr);
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}
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/*
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@ -76,7 +76,7 @@ static void superio_tf_read(ide_drive_t *drive, ide_task_t *task)
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}
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/* be sure we're looking at the low order bits */
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outb(drive->ctl & ~0x80, io_ports->ctl_addr);
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outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr);
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if (task->tf_flags & IDE_TFLAG_IN_NSECT)
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tf->nsect = inb(io_ports->nsect_addr);
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@ -90,7 +90,7 @@ static void superio_tf_read(ide_drive_t *drive, ide_task_t *task)
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tf->device = superio_ide_inb(io_ports->device_addr);
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if (task->tf_flags & IDE_TFLAG_LBA48) {
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outb(drive->ctl | 0x80, io_ports->ctl_addr);
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outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr);
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if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
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tf->hob_feature = inb(io_ports->feature_addr);
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@ -703,7 +703,7 @@ static void scc_tf_read(ide_drive_t *drive, ide_task_t *task)
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}
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/* be sure we're looking at the low order bits */
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scc_ide_outb(drive->ctl & ~0x80, io_ports->ctl_addr);
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scc_ide_outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr);
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if (task->tf_flags & IDE_TFLAG_IN_NSECT)
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tf->nsect = scc_ide_inb(io_ports->nsect_addr);
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@ -717,7 +717,7 @@ static void scc_tf_read(ide_drive_t *drive, ide_task_t *task)
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tf->device = scc_ide_inb(io_ports->device_addr);
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if (task->tf_flags & IDE_TFLAG_LBA48) {
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scc_ide_outb(drive->ctl | 0x80, io_ports->ctl_addr);
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scc_ide_outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr);
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if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
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tf->hob_feature = scc_ide_inb(io_ports->feature_addr);
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@ -111,7 +111,7 @@ sgiioc4_init_hwif_ports(hw_regs_t * hw, unsigned long data_port,
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static void
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sgiioc4_maskproc(ide_drive_t * drive, int mask)
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{
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writeb(mask ? (drive->ctl | 2) : (drive->ctl & ~2),
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writeb(ATA_DEVCTL_OBS | (mask ? 2 : 0),
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(void __iomem *)drive->hwif->io_ports.ctl_addr);
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}
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@ -364,7 +364,6 @@ typedef struct ide_drive_s {
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u8 wcache; /* status of write cache */
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u8 acoustic; /* acoustic management */
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u8 media; /* disk, cdrom, tape, floppy, ... */
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u8 ctl; /* "normal" value for Control register */
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u8 ready_stat; /* min status value for drive ready */
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u8 mult_count; /* current multiple sector setting */
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u8 mult_req; /* requested multiple sector setting */
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@ -1340,7 +1339,7 @@ static inline void ide_set_irq(ide_drive_t *drive, int on)
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{
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ide_hwif_t *hwif = drive->hwif;
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hwif->OUTBSYNC(hwif, drive->ctl | (on ? 0 : 2),
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hwif->OUTBSYNC(hwif, ATA_DEVCTL_OBS | (on ? 0 : 2),
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hwif->io_ports.ctl_addr);
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}
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