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tx493[89]ide: Remove big endian version of tx493[89]ide_tf_{load,read}
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Now tx493[89]ide_tf_{load,read} do not contain word I/O operations.
They are endian-free now.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>,
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Atsushi Nemoto authored and Bartlomiej Zolnierkiewicz committed Apr 8, 2009
1 parent 805ec58 commit d68bab5
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Showing 2 changed files with 8 additions and 180 deletions.
89 changes: 2 additions & 87 deletions drivers/ide/tx4938ide.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -72,91 +72,6 @@ static void tx4938ide_set_pio_mode(ide_drive_t *drive, const u8 pio)
#ifdef __BIG_ENDIAN

/* custom iops (independent from SWAP_IO_SPACE) */
static u8 tx4938ide_inb(unsigned long port)
{
return __raw_readb((void __iomem *)port);
}

static void tx4938ide_outb(u8 value, unsigned long port)
{
__raw_writeb(value, (void __iomem *)port);
}

static void tx4938ide_tf_load(ide_drive_t *drive, struct ide_cmd *cmd)
{
ide_hwif_t *hwif = drive->hwif;
struct ide_io_ports *io_ports = &hwif->io_ports;
struct ide_taskfile *tf = &cmd->tf;
u8 HIHI = cmd->tf_flags & IDE_TFLAG_LBA48 ? 0xE0 : 0xEF;

if (cmd->ftf_flags & IDE_FTFLAG_FLAGGED)
HIHI = 0xFF;

if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
tx4938ide_outb(tf->hob_feature, io_ports->feature_addr);
if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
tx4938ide_outb(tf->hob_nsect, io_ports->nsect_addr);
if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
tx4938ide_outb(tf->hob_lbal, io_ports->lbal_addr);
if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
tx4938ide_outb(tf->hob_lbam, io_ports->lbam_addr);
if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
tx4938ide_outb(tf->hob_lbah, io_ports->lbah_addr);

if (cmd->tf_flags & IDE_TFLAG_OUT_FEATURE)
tx4938ide_outb(tf->feature, io_ports->feature_addr);
if (cmd->tf_flags & IDE_TFLAG_OUT_NSECT)
tx4938ide_outb(tf->nsect, io_ports->nsect_addr);
if (cmd->tf_flags & IDE_TFLAG_OUT_LBAL)
tx4938ide_outb(tf->lbal, io_ports->lbal_addr);
if (cmd->tf_flags & IDE_TFLAG_OUT_LBAM)
tx4938ide_outb(tf->lbam, io_ports->lbam_addr);
if (cmd->tf_flags & IDE_TFLAG_OUT_LBAH)
tx4938ide_outb(tf->lbah, io_ports->lbah_addr);

if (cmd->tf_flags & IDE_TFLAG_OUT_DEVICE)
tx4938ide_outb((tf->device & HIHI) | drive->select,
io_ports->device_addr);
}

static void tx4938ide_tf_read(ide_drive_t *drive, struct ide_cmd *cmd)
{
ide_hwif_t *hwif = drive->hwif;
struct ide_io_ports *io_ports = &hwif->io_ports;
struct ide_taskfile *tf = &cmd->tf;

/* be sure we're looking at the low order bits */
tx4938ide_outb(ATA_DEVCTL_OBS, io_ports->ctl_addr);

if (cmd->tf_flags & IDE_TFLAG_IN_ERROR)
tf->error = tx4938ide_inb(io_ports->feature_addr);
if (cmd->tf_flags & IDE_TFLAG_IN_NSECT)
tf->nsect = tx4938ide_inb(io_ports->nsect_addr);
if (cmd->tf_flags & IDE_TFLAG_IN_LBAL)
tf->lbal = tx4938ide_inb(io_ports->lbal_addr);
if (cmd->tf_flags & IDE_TFLAG_IN_LBAM)
tf->lbam = tx4938ide_inb(io_ports->lbam_addr);
if (cmd->tf_flags & IDE_TFLAG_IN_LBAH)
tf->lbah = tx4938ide_inb(io_ports->lbah_addr);
if (cmd->tf_flags & IDE_TFLAG_IN_DEVICE)
tf->device = tx4938ide_inb(io_ports->device_addr);

if (cmd->tf_flags & IDE_TFLAG_LBA48) {
tx4938ide_outb(ATA_HOB | ATA_DEVCTL_OBS, io_ports->ctl_addr);

if (cmd->tf_flags & IDE_TFLAG_IN_HOB_ERROR)
tf->hob_error = tx4938ide_inb(io_ports->feature_addr);
if (cmd->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
tf->hob_nsect = tx4938ide_inb(io_ports->nsect_addr);
if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
tf->hob_lbal = tx4938ide_inb(io_ports->lbal_addr);
if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
tf->hob_lbam = tx4938ide_inb(io_ports->lbam_addr);
if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
tf->hob_lbah = tx4938ide_inb(io_ports->lbah_addr);
}
}

static void tx4938ide_input_data_swap(ide_drive_t *drive, struct ide_cmd *cmd,
void *buf, unsigned int len)
{
Expand Down Expand Up @@ -190,8 +105,8 @@ static const struct ide_tp_ops tx4938ide_tp_ops = {
.write_devctl = ide_write_devctl,

.dev_select = ide_dev_select,
.tf_load = tx4938ide_tf_load,
.tf_read = tx4938ide_tf_read,
.tf_load = ide_tf_load,
.tf_read = ide_tf_read,

.input_data = tx4938ide_input_data_swap,
.output_data = tx4938ide_output_data_swap,
Expand Down
99 changes: 6 additions & 93 deletions drivers/ide/tx4939ide.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -434,96 +434,17 @@ static void tx4939ide_tf_load_fixup(ide_drive_t *drive)
tx4939ide_writew(sysctl, base, TX4939IDE_Sys_Ctl);
}

#ifdef __BIG_ENDIAN

/* custom iops (independent from SWAP_IO_SPACE) */
static u8 tx4939ide_inb(unsigned long port)
{
return __raw_readb((void __iomem *)port);
}

static void tx4939ide_outb(u8 value, unsigned long port)
{
__raw_writeb(value, (void __iomem *)port);
}

static void tx4939ide_tf_load(ide_drive_t *drive, struct ide_cmd *cmd)
{
ide_hwif_t *hwif = drive->hwif;
struct ide_io_ports *io_ports = &hwif->io_ports;
struct ide_taskfile *tf = &cmd->tf;
u8 HIHI = cmd->tf_flags & IDE_TFLAG_LBA48 ? 0xE0 : 0xEF;

if (cmd->ftf_flags & IDE_FTFLAG_FLAGGED)
HIHI = 0xFF;

if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
tx4939ide_outb(tf->hob_feature, io_ports->feature_addr);
if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
tx4939ide_outb(tf->hob_nsect, io_ports->nsect_addr);
if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
tx4939ide_outb(tf->hob_lbal, io_ports->lbal_addr);
if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
tx4939ide_outb(tf->hob_lbam, io_ports->lbam_addr);
if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
tx4939ide_outb(tf->hob_lbah, io_ports->lbah_addr);

if (cmd->tf_flags & IDE_TFLAG_OUT_FEATURE)
tx4939ide_outb(tf->feature, io_ports->feature_addr);
if (cmd->tf_flags & IDE_TFLAG_OUT_NSECT)
tx4939ide_outb(tf->nsect, io_ports->nsect_addr);
if (cmd->tf_flags & IDE_TFLAG_OUT_LBAL)
tx4939ide_outb(tf->lbal, io_ports->lbal_addr);
if (cmd->tf_flags & IDE_TFLAG_OUT_LBAM)
tx4939ide_outb(tf->lbam, io_ports->lbam_addr);
if (cmd->tf_flags & IDE_TFLAG_OUT_LBAH)
tx4939ide_outb(tf->lbah, io_ports->lbah_addr);

if (cmd->tf_flags & IDE_TFLAG_OUT_DEVICE) {
tx4939ide_outb((tf->device & HIHI) | drive->select,
io_ports->device_addr);
ide_tf_load(drive, cmd);

if (cmd->tf_flags & IDE_TFLAG_OUT_DEVICE)
tx4939ide_tf_load_fixup(drive);
}
}

static void tx4939ide_tf_read(ide_drive_t *drive, struct ide_cmd *cmd)
{
ide_hwif_t *hwif = drive->hwif;
struct ide_io_ports *io_ports = &hwif->io_ports;
struct ide_taskfile *tf = &cmd->tf;

/* be sure we're looking at the low order bits */
tx4939ide_outb(ATA_DEVCTL_OBS, io_ports->ctl_addr);

if (cmd->tf_flags & IDE_TFLAG_IN_ERROR)
tf->error = tx4939ide_inb(io_ports->feature_addr);
if (cmd->tf_flags & IDE_TFLAG_IN_NSECT)
tf->nsect = tx4939ide_inb(io_ports->nsect_addr);
if (cmd->tf_flags & IDE_TFLAG_IN_LBAL)
tf->lbal = tx4939ide_inb(io_ports->lbal_addr);
if (cmd->tf_flags & IDE_TFLAG_IN_LBAM)
tf->lbam = tx4939ide_inb(io_ports->lbam_addr);
if (cmd->tf_flags & IDE_TFLAG_IN_LBAH)
tf->lbah = tx4939ide_inb(io_ports->lbah_addr);
if (cmd->tf_flags & IDE_TFLAG_IN_DEVICE)
tf->device = tx4939ide_inb(io_ports->device_addr);

if (cmd->tf_flags & IDE_TFLAG_LBA48) {
tx4939ide_outb(ATA_HOB | ATA_DEVCTL_OBS, io_ports->ctl_addr);

if (cmd->tf_flags & IDE_TFLAG_IN_HOB_ERROR)
tf->hob_error = tx4939ide_inb(io_ports->feature_addr);
if (cmd->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
tf->hob_nsect = tx4939ide_inb(io_ports->nsect_addr);
if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
tf->hob_lbal = tx4939ide_inb(io_ports->lbal_addr);
if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
tf->hob_lbam = tx4939ide_inb(io_ports->lbam_addr);
if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
tf->hob_lbah = tx4939ide_inb(io_ports->lbah_addr);
}
}
#ifdef __BIG_ENDIAN

/* custom iops (independent from SWAP_IO_SPACE) */
static void tx4939ide_input_data_swap(ide_drive_t *drive, struct request *rq,
void *buf, unsigned int len)
{
Expand Down Expand Up @@ -558,22 +479,14 @@ static const struct ide_tp_ops tx4939ide_tp_ops = {

.dev_select = ide_dev_select,
.tf_load = tx4939ide_tf_load,
.tf_read = tx4939ide_tf_read,
.tf_read = ide_tf_read,

.input_data = tx4939ide_input_data_swap,
.output_data = tx4939ide_output_data_swap,
};

#else /* __LITTLE_ENDIAN */

static void tx4939ide_tf_load(ide_drive_t *drive, struct ide_cmd *cmd)
{
ide_tf_load(drive, cmd);

if (cmd->tf_flags & IDE_TFLAG_OUT_DEVICE)
tx4939ide_tf_load_fixup(drive);
}

static const struct ide_tp_ops tx4939ide_tp_ops = {
.exec_command = ide_exec_command,
.read_status = ide_read_status,
Expand Down

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