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ide: turn selectproc() method into dev_select() method (take 5)

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Turn selectproc() method into dev_select() method by teaching it to write to the
device register and moving it from 'struct ide_port_ops' to 'struct ide_tp_ops'.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: benh@kernel.crashing.org
Cc: petkovbb@gmail.com
[bart: add ->dev_select to at91_ide.c and tx4939.c (__BIG_ENDIAN case)]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Sergei Shtylyov 2009-03-31 20:15:32 +02:00 committed by Bartlomiej Zolnierkiewicz
parent 0f861e8c47
commit abb596b25e
17 changed files with 139 additions and 48 deletions
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1
drivers/ide/at91_ide.c
View file

@ -283,6 +283,7 @@ static const struct ide_tp_ops at91_ide_tp_ops = {
.read_altstatus = ide_read_altstatus,
.write_devctl = ide_write_devctl,
.dev_select = ide_dev_select,
.tf_load = at91_ide_tf_load,
.tf_read = at91_ide_tf_read,

1
drivers/ide/au1xxx-ide.c
View file

@ -469,6 +469,7 @@ static const struct ide_tp_ops au1xxx_tp_ops = {
.read_altstatus = ide_read_altstatus,
.write_devctl = ide_write_devctl,
.dev_select = ide_dev_select,
.tf_load = ide_tf_load,
.tf_read = ide_tf_read,

1
drivers/ide/falconide.c
View file

@ -91,6 +91,7 @@ static const struct ide_tp_ops falconide_tp_ops = {
.read_altstatus = ide_read_altstatus,
.write_devctl = ide_write_devctl,
.dev_select = ide_dev_select,
.tf_load = ide_tf_load,
.tf_read = ide_tf_read,

20
drivers/ide/ht6560b.c
View file

@ -103,7 +103,7 @@
/*
* This routine is invoked from ide.c to prepare for access to a given drive.
*/
static void ht6560b_selectproc (ide_drive_t *drive)
static void ht6560b_dev_select(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
unsigned long flags;
@ -143,6 +143,8 @@ static void ht6560b_selectproc (ide_drive_t *drive)
#endif
}
local_irq_restore(flags);
outb(drive->select | ATA_DEVICE_OBS, hwif->io_ports.device_addr);
}
/*
@ -305,15 +307,29 @@ static int probe_ht6560b;
module_param_named(probe, probe_ht6560b, bool, 0);
MODULE_PARM_DESC(probe, "probe for HT6560B chipset");
static const struct ide_tp_ops ht6560b_tp_ops = {
.exec_command = ide_exec_command,
.read_status = ide_read_status,
.read_altstatus = ide_read_altstatus,
.write_devctl = ide_write_devctl,
.dev_select = ht6560b_dev_select,
.tf_load = ide_tf_load,
.tf_read = ide_tf_read,
.input_data = ide_input_data,
.output_data = ide_output_data,
};
static const struct ide_port_ops ht6560b_port_ops = {
.init_dev = ht6560b_init_dev,
.set_pio_mode = ht6560b_set_pio_mode,
.selectproc = ht6560b_selectproc,
};
static const struct ide_port_info ht6560b_port_info __initdata = {
.name = DRV_NAME,
.chipset = ide_ht6560b,
.tp_ops = &ht6560b_tp_ops,
.port_ops = &ht6560b_port_ops,
.host_flags = IDE_HFLAG_SERIALIZE | /* is this needed? */
IDE_HFLAG_NO_DMA |

1
drivers/ide/ide-h8300.c
View file

@ -151,6 +151,7 @@ static const struct ide_tp_ops h8300_tp_ops = {
.read_altstatus = ide_read_altstatus,
.write_devctl = ide_write_devctl,
.dev_select = ide_dev_select,
.tf_load = h8300_tf_load,
.tf_read = h8300_tf_read,

13
drivers/ide/ide-io-std.c
View file

@ -73,6 +73,18 @@ void ide_write_devctl(ide_hwif_t *hwif, u8 ctl)
}
EXPORT_SYMBOL_GPL(ide_write_devctl);
void ide_dev_select(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
u8 select = drive->select | ATA_DEVICE_OBS;
if (hwif->host_flags & IDE_HFLAG_MMIO)
writeb(select, (void __iomem *)hwif->io_ports.device_addr);
else
outb(select, hwif->io_ports.device_addr);
}
EXPORT_SYMBOL_GPL(ide_dev_select);
void ide_tf_load(ide_drive_t *drive, struct ide_cmd *cmd)
{
ide_hwif_t *hwif = drive->hwif;
@ -280,6 +292,7 @@ const struct ide_tp_ops default_tp_ops = {
.read_altstatus = ide_read_altstatus,
.write_devctl = ide_write_devctl,
.dev_select = ide_dev_select,
.tf_load = ide_tf_load,
.tf_read = ide_tf_read,

12
drivers/ide/ide-iops.c
View file

@ -29,17 +29,7 @@
void SELECT_DRIVE(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
const struct ide_port_ops *port_ops = hwif->port_ops;
struct ide_cmd cmd;
if (port_ops && port_ops->selectproc)
port_ops->selectproc(drive);
memset(&cmd, 0, sizeof(cmd));
cmd.tf_flags = IDE_TFLAG_OUT_DEVICE;
drive->hwif->tp_ops->tf_load(drive, &cmd);
drive->hwif->tp_ops->dev_select(drive);
}
void SELECT_MASK(ide_drive_t *drive, int mask)

25
drivers/ide/ns87415.c
View file

@ -98,12 +98,15 @@ static void superio_tf_read(ide_drive_t *drive, struct ide_cmd *cmd)
}
}
static void ns87415_dev_select(ide_drive_t *drive);
static const struct ide_tp_ops superio_tp_ops = {
.exec_command = ide_exec_command,
.read_status = superio_read_status,
.read_altstatus = ide_read_altstatus,
.write_devctl = ide_write_devctl,
.dev_select = ns87415_dev_select,
.tf_load = ide_tf_load,
.tf_read = superio_tf_read,
@ -182,10 +185,12 @@ static void ns87415_prepare_drive (ide_drive_t *drive, unsigned int use_dma)
local_irq_restore(flags);
}
static void ns87415_selectproc (ide_drive_t *drive)
static void ns87415_dev_select(ide_drive_t *drive)
{
ns87415_prepare_drive(drive,
!!(drive->dev_flags & IDE_DFLAG_USING_DMA));
outb(drive->select | ATA_DEVICE_OBS, drive->hwif->io_ports.device_addr);
}
static void ns87415_dma_start(ide_drive_t *drive)
@ -229,7 +234,7 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
* Also, leave IRQ masked during drive probing, to prevent infinite
* interrupts from a potentially floating INTA..
*
* IRQs get unmasked in selectproc when drive is first used.
* IRQs get unmasked in dev_select() when drive is first used.
*/
(void) pci_read_config_dword(dev, 0x40, &ctrl);
(void) pci_read_config_byte(dev, 0x09, &progif);
@ -281,8 +286,18 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
outb(0x60, hwif->dma_base + ATA_DMA_STATUS);
}
static const struct ide_port_ops ns87415_port_ops = {
.selectproc = ns87415_selectproc,
static const struct ide_tp_ops ns87415_tp_ops = {
.exec_command = ide_exec_command,
.read_status = ide_read_status,
.read_altstatus = ide_read_altstatus,
.write_devctl = ide_write_devctl,
.dev_select = ns87415_dev_select,
.tf_load = ide_tf_load,
.tf_read = ide_tf_read,
.input_data = ide_input_data,
.output_data = ide_output_data,
};
static const struct ide_dma_ops ns87415_dma_ops = {
@ -299,7 +314,7 @@ static const struct ide_dma_ops ns87415_dma_ops = {
static const struct ide_port_info ns87415_chipset __devinitdata = {
.name = DRV_NAME,
.init_hwif = init_hwif_ns87415,
.port_ops = &ns87415_port_ops,
.tp_ops = &ns87415_tp_ops,
.dma_ops = &ns87415_dma_ops,
.host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
IDE_HFLAG_NO_ATAPI_DMA,

58
drivers/ide/pmac.c
View file

@ -404,8 +404,6 @@ kauai_lookup_timing(struct kauai_timing* table, int cycle_time)
#define IDE_WAKEUP_DELAY (1*HZ)
static int pmac_ide_init_dma(ide_hwif_t *, const struct ide_port_info *);
static void pmac_ide_selectproc(ide_drive_t *drive);
static void pmac_ide_kauai_selectproc(ide_drive_t *drive);
#define PMAC_IDE_REG(x) \
((void __iomem *)((drive)->hwif->io_ports.data_addr + (x)))
@ -415,8 +413,7 @@ static void pmac_ide_kauai_selectproc(ide_drive_t *drive);
* timing register when selecting that unit. This version is for
* ASICs with a single timing register
*/
static void
pmac_ide_selectproc(ide_drive_t *drive)
static void pmac_ide_apply_timings(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
pmac_ide_hwif_t *pmif =
@ -434,8 +431,7 @@ pmac_ide_selectproc(ide_drive_t *drive)
* timing register when selecting that unit. This version is for
* ASICs with a dual timing register (Kauai)
*/
static void
pmac_ide_kauai_selectproc(ide_drive_t *drive)
static void pmac_ide_kauai_apply_timings(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
pmac_ide_hwif_t *pmif =
@ -464,9 +460,25 @@ pmac_ide_do_update_timings(ide_drive_t *drive)
if (pmif->kind == controller_sh_ata6 ||
pmif->kind == controller_un_ata6 ||
pmif->kind == controller_k2_ata6)
pmac_ide_kauai_selectproc(drive);
pmac_ide_kauai_apply_timings(drive);
else
pmac_ide_selectproc(drive);
pmac_ide_apply_timings(drive);
}
static void pmac_dev_select(ide_drive_t *drive)
{
pmac_ide_apply_timings(drive);
writeb(drive->select | ATA_DEVICE_OBS,
(void __iomem *)drive->hwif->io_ports.device_addr);
}
static void pmac_kauai_dev_select(ide_drive_t *drive)
{
pmac_ide_kauai_apply_timings(drive);
writeb(drive->select | ATA_DEVICE_OBS,
(void __iomem *)drive->hwif->io_ports.device_addr);
}
static void pmac_exec_command(ide_hwif_t *hwif, u8 cmd)
@ -947,6 +959,7 @@ static const struct ide_tp_ops pmac_tp_ops = {
.read_altstatus = ide_read_altstatus,
.write_devctl = pmac_write_devctl,
.dev_select = pmac_dev_select,
.tf_load = ide_tf_load,
.tf_read = ide_tf_read,
@ -954,19 +967,24 @@ static const struct ide_tp_ops pmac_tp_ops = {
.output_data = ide_output_data,
};
static const struct ide_port_ops pmac_ide_ata6_port_ops = {
.init_dev = pmac_ide_init_dev,
.set_pio_mode = pmac_ide_set_pio_mode,
.set_dma_mode = pmac_ide_set_dma_mode,
.selectproc = pmac_ide_kauai_selectproc,
.cable_detect = pmac_ide_cable_detect,
static const struct ide_tp_ops pmac_ata6_tp_ops = {
.exec_command = pmac_exec_command,
.read_status = ide_read_status,
.read_altstatus = ide_read_altstatus,
.write_devctl = pmac_write_devctl,
.dev_select = pmac_kauai_dev_select,
.tf_load = ide_tf_load,
.tf_read = ide_tf_read,
.input_data = ide_input_data,
.output_data = ide_output_data,
};
static const struct ide_port_ops pmac_ide_ata4_port_ops = {
.init_dev = pmac_ide_init_dev,
.set_pio_mode = pmac_ide_set_pio_mode,
.set_dma_mode = pmac_ide_set_dma_mode,
.selectproc = pmac_ide_selectproc,
.cable_detect = pmac_ide_cable_detect,
};
@ -974,7 +992,6 @@ static const struct ide_port_ops pmac_ide_port_ops = {
.init_dev = pmac_ide_init_dev,
.set_pio_mode = pmac_ide_set_pio_mode,
.set_dma_mode = pmac_ide_set_dma_mode,
.selectproc = pmac_ide_selectproc,
};
static const struct ide_dma_ops pmac_dma_ops;
@ -1011,15 +1028,18 @@ static int __devinit pmac_ide_setup_device(pmac_ide_hwif_t *pmif, hw_regs_t *hw)
pmif->broken_dma = pmif->broken_dma_warn = 0;
if (of_device_is_compatible(np, "shasta-ata")) {
pmif->kind = controller_sh_ata6;
d.port_ops = &pmac_ide_ata6_port_ops;
d.tp_ops = &pmac_ata6_tp_ops;
d.port_ops = &pmac_ide_ata4_port_ops;
d.udma_mask = ATA_UDMA6;
} else if (of_device_is_compatible(np, "kauai-ata")) {
pmif->kind = controller_un_ata6;
d.port_ops = &pmac_ide_ata6_port_ops;
d.tp_ops = &pmac_ata6_tp_ops;
d.port_ops = &pmac_ide_ata4_port_ops;
d.udma_mask = ATA_UDMA5;
} else if (of_device_is_compatible(np, "K2-UATA")) {
pmif->kind = controller_k2_ata6;
d.port_ops = &pmac_ide_ata6_port_ops;
d.tp_ops = &pmac_ata6_tp_ops;
d.port_ops = &pmac_ide_ata4_port_ops;
d.udma_mask = ATA_UDMA5;
} else if (of_device_is_compatible(np, "keylargo-ata")) {
if (strcmp(np->name, "ata-4") == 0) {

1
drivers/ide/q40ide.c
View file

@ -101,6 +101,7 @@ static const struct ide_tp_ops q40ide_tp_ops = {
.read_altstatus = ide_read_altstatus,
.write_devctl = ide_write_devctl,
.dev_select = ide_dev_select,
.tf_load = ide_tf_load,
.tf_read = ide_tf_read,

21
drivers/ide/qd65xx.c
View file

@ -90,13 +90,15 @@ static int timings[4]={-1,-1,-1,-1}; /* stores current timing for each timer */
* This routine is invoked to prepare for access to a given drive.
*/
static void qd65xx_select(ide_drive_t *drive)
static void qd65xx_dev_select(ide_drive_t *drive)
{
u8 index = (( (QD_TIMREG(drive)) & 0x80 ) >> 7) |
(QD_TIMREG(drive) & 0x02);
if (timings[index] != QD_TIMING(drive))
outb(timings[index] = QD_TIMING(drive), QD_TIMREG(drive));
outb(drive->select | ATA_DEVICE_OBS, drive->hwif->io_ports.device_addr);
}
/*
@ -309,20 +311,33 @@ static void __init qd6580_init_dev(ide_drive_t *drive)
drive->drive_data = (drive->dn & 1) ? t2 : t1;
}
static const struct ide_tp_ops qd65xx_tp_ops = {
.exec_command = ide_exec_command,
.read_status = ide_read_status,
.read_altstatus = ide_read_altstatus,
.write_devctl = ide_write_devctl,
.dev_select = qd65xx_dev_select,
.tf_load = ide_tf_load,
.tf_read = ide_tf_read,
.input_data = ide_input_data,
.output_data = ide_output_data,
};
static const struct ide_port_ops qd6500_port_ops = {
.init_dev = qd6500_init_dev,
.set_pio_mode = qd6500_set_pio_mode,
.selectproc = qd65xx_select,
};
static const struct ide_port_ops qd6580_port_ops = {
.init_dev = qd6580_init_dev,
.set_pio_mode = qd6580_set_pio_mode,
.selectproc = qd65xx_select,
};
static const struct ide_port_info qd65xx_port_info __initdata = {
.name = DRV_NAME,
.tp_ops = &qd65xx_tp_ops,
.chipset = ide_qd65xx,
.host_flags = IDE_HFLAG_IO_32BIT |
IDE_HFLAG_NO_DMA,

1
drivers/ide/scc_pata.c
View file

@ -825,6 +825,7 @@ static const struct ide_tp_ops scc_tp_ops = {
.read_altstatus = scc_read_altstatus,
.write_devctl = scc_write_devctl,
.dev_select = ide_dev_select,
.tf_load = scc_tf_load,
.tf_read = scc_tf_read,

1
drivers/ide/sgiioc4.c
View file

@ -505,6 +505,7 @@ static const struct ide_tp_ops sgiioc4_tp_ops = {
.read_altstatus = ide_read_altstatus,
.write_devctl = ide_write_devctl,
.dev_select = ide_dev_select,
.tf_load = ide_tf_load,
.tf_read = ide_tf_read,

20
drivers/ide/trm290.c
View file

@ -171,9 +171,11 @@ static void trm290_prepare_drive (ide_drive_t *drive, unsigned int use_dma)
local_irq_restore(flags);
}
static void trm290_selectproc (ide_drive_t *drive)
static void trm290_dev_select(ide_drive_t *drive)
{
trm290_prepare_drive(drive, !!(drive->dev_flags & IDE_DFLAG_USING_DMA));
outb(drive->select | ATA_DEVICE_OBS, drive->hwif->io_ports.device_addr);
}
static int trm290_dma_check(ide_drive_t *drive, struct ide_cmd *cmd)
@ -298,8 +300,18 @@ static void __devinit init_hwif_trm290(ide_hwif_t *hwif)
#endif
}
static const struct ide_port_ops trm290_port_ops = {
.selectproc = trm290_selectproc,
static const struct ide_tp_ops trm290_tp_ops = {
.exec_command = ide_exec_command,
.read_status = ide_read_status,
.read_altstatus = ide_read_altstatus,
.write_devctl = ide_write_devctl,
.dev_select = trm290_dev_select,
.tf_load = ide_tf_load,
.tf_read = ide_tf_read,
.input_data = ide_input_data,
.output_data = ide_output_data,
};
static struct ide_dma_ops trm290_dma_ops = {
@ -315,7 +327,7 @@ static struct ide_dma_ops trm290_dma_ops = {
static const struct ide_port_info trm290_chipset __devinitdata = {
.name = DRV_NAME,
.init_hwif = init_hwif_trm290,
.port_ops = &trm290_port_ops,
.tp_ops = &trm290_tp_ops,
.dma_ops = &trm290_dma_ops,
.host_flags = IDE_HFLAG_TRM290 |
IDE_HFLAG_NO_ATAPI_DMA |

1
drivers/ide/tx4938ide.c
View file

@ -189,6 +189,7 @@ static const struct ide_tp_ops tx4938ide_tp_ops = {
.read_altstatus = ide_read_altstatus,
.write_devctl = ide_write_devctl,
.dev_select = ide_dev_select,
.tf_load = tx4938ide_tf_load,
.tf_read = tx4938ide_tf_read,

4
drivers/ide/tx4939ide.c
View file

@ -429,7 +429,7 @@ static void tx4939ide_tf_load_fixup(ide_drive_t *drive)
* Fix ATA100 CORE System Control Register. (The write to the
* Device/Head register may write wrong data to the System
* Control Register)
* While Sys_Ctl is written here, selectproc is not needed.
* While Sys_Ctl is written here, dev_select() is not needed.
*/
tx4939ide_writew(sysctl, base, TX4939IDE_Sys_Ctl);
}
@ -556,6 +556,7 @@ static const struct ide_tp_ops tx4939ide_tp_ops = {
.read_altstatus = ide_read_altstatus,
.write_devctl = ide_write_devctl,
.dev_select = ide_dev_select,
.tf_load = tx4939ide_tf_load,
.tf_read = tx4939ide_tf_read,
@ -579,6 +580,7 @@ static const struct ide_tp_ops tx4939ide_tp_ops = {
.read_altstatus = ide_read_altstatus,
.write_devctl = ide_write_devctl,
.dev_select = ide_dev_select,
.tf_load = tx4939ide_tf_load,
.tf_read = ide_tf_read,

6
include/linux/ide.h
View file

@ -603,7 +603,7 @@ struct ide_drive_s {
unsigned int bios_cyl; /* BIOS/fdisk/LILO number of cyls */
unsigned int cyl; /* "real" number of cyls */
unsigned int drive_data; /* used by set_pio_mode/selectproc */
unsigned int drive_data; /* used by set_pio_mode/dev_select() */
unsigned int failures; /* current failure count */
unsigned int max_failures; /* maximum allowed failure count */
u64 probed_capacity;/* initial reported media capacity (ide-cd only currently) */
@ -661,6 +661,7 @@ struct ide_tp_ops {
u8 (*read_altstatus)(struct hwif_s *);
void (*write_devctl)(struct hwif_s *, u8);
void (*dev_select)(ide_drive_t *);
void (*tf_load)(ide_drive_t *, struct ide_cmd *);
void (*tf_read)(ide_drive_t *, struct ide_cmd *);
@ -678,7 +679,6 @@ extern const struct ide_tp_ops default_tp_ops;
* @init_dev: host specific initialization of a device
* @set_pio_mode: routine to program host for PIO mode
* @set_dma_mode: routine to program host for DMA mode
* @selectproc: tweaks hardware to select drive
* @reset_poll: chipset polling based on hba specifics
* @pre_reset: chipset specific changes to default for device-hba resets
* @resetproc: routine to reset controller after a disk reset
@ -695,7 +695,6 @@ struct ide_port_ops {
void (*init_dev)(ide_drive_t *);
void (*set_pio_mode)(ide_drive_t *, const u8);
void (*set_dma_mode)(ide_drive_t *, const u8);
void (*selectproc)(ide_drive_t *);
int (*reset_poll)(ide_drive_t *);
void (*pre_reset)(ide_drive_t *);
void (*resetproc)(ide_drive_t *);
@ -1170,6 +1169,7 @@ u8 ide_read_status(ide_hwif_t *);
u8 ide_read_altstatus(ide_hwif_t *);
void ide_write_devctl(ide_hwif_t *, u8);
void ide_dev_select(ide_drive_t *);
void ide_tf_load(ide_drive_t *, struct ide_cmd *);
void ide_tf_read(ide_drive_t *, struct ide_cmd *);