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ide: add ->exec_command method

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Add ->exec_command method for writing ATA Command register
and use it instead of ->OUTBSYNC.

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2008-07-23 19:55:51 +02:00
부모 ebb00fb55d
커밋 c6dfa867bb
8개의 변경된 파일과 40개의 추가작업 그리고 14개의 파일을 삭제
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19
drivers/ide/ide-iops.c
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@@ -103,6 +103,14 @@ void SELECT_MASK(ide_drive_t *drive, int mask)
port_ops->maskproc(drive, mask);
}
static void ide_exec_command(ide_hwif_t *hwif, u8 cmd)
{
if (hwif->host_flags & IDE_HFLAG_MMIO)
writeb(cmd, (void __iomem *)hwif->io_ports.command_addr);
else
outb(cmd, hwif->io_ports.command_addr);
}
static u8 ide_read_sff_dma_status(ide_hwif_t *hwif)
{
if (hwif->host_flags & IDE_HFLAG_MMIO)
@@ -331,6 +339,7 @@ static void ata_output_data(ide_drive_t *drive, struct request *rq,
void default_hwif_transport(ide_hwif_t *hwif)
{
hwif->exec_command = ide_exec_command;
hwif->read_sff_dma_status = ide_read_sff_dma_status;
hwif->tf_load = ide_tf_load;
@@ -696,7 +705,7 @@ int ide_driveid_update(ide_drive_t *drive)
SELECT_MASK(drive, 1);
ide_set_irq(drive, 0);
msleep(50);
hwif->OUTBSYNC(hwif, WIN_IDENTIFY, hwif->io_ports.command_addr);
hwif->exec_command(hwif, WIN_IDENTIFY);
timeout = jiffies + WAIT_WORSTCASE;
do {
if (time_after(jiffies, timeout)) {
@@ -783,7 +792,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
ide_set_irq(drive, 0);
hwif->OUTB(speed, io_ports->nsect_addr);
hwif->OUTB(SETFEATURES_XFER, io_ports->feature_addr);
hwif->OUTBSYNC(hwif, WIN_SETFEATURES, io_ports->command_addr);
hwif->exec_command(hwif, WIN_SETFEATURES);
if (drive->quirk_list == 2)
ide_set_irq(drive, 1);
@@ -891,7 +900,7 @@ void ide_execute_command(ide_drive_t *drive, u8 cmd, ide_handler_t *handler,
spin_lock_irqsave(&ide_lock, flags);
__ide_set_handler(drive, handler, timeout, expiry);
hwif->OUTBSYNC(hwif, cmd, hwif->io_ports.command_addr);
hwif->exec_command(hwif, cmd);
/*
* Drive takes 400nS to respond, we must avoid the IRQ being
* serviced before that.
@@ -909,7 +918,7 @@ void ide_execute_pkt_cmd(ide_drive_t *drive)
unsigned long flags;
spin_lock_irqsave(&ide_lock, flags);
hwif->OUTBSYNC(hwif, WIN_PACKETCMD, hwif->io_ports.command_addr);
hwif->exec_command(hwif, WIN_PACKETCMD);
ndelay(400);
spin_unlock_irqrestore(&ide_lock, flags);
}
@@ -1116,7 +1125,7 @@ static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi)
pre_reset(drive);
SELECT_DRIVE(drive);
udelay (20);
hwif->OUTBSYNC(hwif, WIN_SRST, io_ports->command_addr);
hwif->exec_command(hwif, WIN_SRST);
ndelay(400);
hwgroup->poll_timeout = jiffies + WAIT_WORSTCASE;
hwgroup->polling = 1;