ide: use 'drive->dn & 1' instead of drive->select.b.unit
* Call ide_port_init_devices() in ide_host_register()
also if 'struct ide_port_info *d' is not available.
* Init drive->dn in ide_port_init_devices() instead of
ide_probe_port() so it is valid also in ->init_dev.
* Pass device number to ide_dev_apply_params().
* Use 'drive->dn & 1' instead of drive->select.b.unit.
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 82fa610..d5934fc 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -370,7 +370,7 @@
void ide_dma_host_set(ide_drive_t *drive, int on)
{
ide_hwif_t *hwif = HWIF(drive);
- u8 unit = (drive->select.b.unit & 0x01);
+ u8 unit = drive->dn & 1;
u8 dma_stat = hwif->tp_ops->read_sff_dma_status(hwif);
if (on)
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 57c7418..58a2caf 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -447,7 +447,7 @@
msleep(50);
if (ide_read_device(drive) != drive->select.all && present == 0) {
- if (drive->select.b.unit != 0) {
+ if (drive->dn & 1) {
/* exit with drive0 selected */
SELECT_DRIVE(&hwif->drives[0]);
/* allow ATA_BUSY to assert & clear */
@@ -493,7 +493,7 @@
/* not present or maybe ATAPI */
rc = 3;
}
- if (drive->select.b.unit != 0) {
+ if (drive->dn & 1) {
/* exit with drive0 selected */
SELECT_DRIVE(&hwif->drives[0]);
msleep(50);
@@ -798,7 +798,7 @@
*/
for (unit = 0; unit < MAX_DRIVES; ++unit) {
ide_drive_t *drive = &hwif->drives[unit];
- drive->dn = (hwif->channel ? 2 : 0) + unit;
+
(void) probe_for_drive(drive);
if (drive->dev_flags & IDE_DFLAG_PRESENT)
rc = 0;
@@ -1357,6 +1357,8 @@
for (i = 0; i < MAX_DRIVES; i++) {
ide_drive_t *drive = &hwif->drives[i];
+ drive->dn = i + hwif->channel * 2;
+
if (hwif->host_flags & IDE_HFLAG_IO_32BIT)
drive->io_32bit = 1;
if (hwif->host_flags & IDE_HFLAG_UNMASK_IRQS)
@@ -1627,18 +1629,18 @@
if (d == NULL) {
mate = NULL;
- continue;
+ } else {
+ if ((i & 1) && mate) {
+ hwif->mate = mate;
+ mate->mate = hwif;
+ }
+
+ mate = (i & 1) ? NULL : hwif;
+
+ ide_init_port(hwif, i & 1, d);
+ ide_port_cable_detect(hwif);
}
- if ((i & 1) && mate) {
- hwif->mate = mate;
- mate->mate = hwif;
- }
-
- mate = (i & 1) ? NULL : hwif;
-
- ide_init_port(hwif, i & 1, d);
- ide_port_cable_detect(hwif);
ide_port_init_devices(hwif);
}
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 40b5a46..7624b93 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -713,9 +713,9 @@
module_param_call(chs, ide_set_disk_chs, NULL, NULL, 0);
MODULE_PARM_DESC(chs, "force device as a disk (using CHS)");
-static void ide_dev_apply_params(ide_drive_t *drive)
+static void ide_dev_apply_params(ide_drive_t *drive, u8 unit)
{
- int i = drive->hwif->index * MAX_DRIVES + drive->select.b.unit;
+ int i = drive->hwif->index * MAX_DRIVES + unit;
if (ide_nodma & (1 << i)) {
printk(KERN_INFO "ide: disallowing DMA for %s\n", drive->name);
@@ -791,7 +791,7 @@
}
for (i = 0; i < MAX_DRIVES; i++)
- ide_dev_apply_params(&hwif->drives[i]);
+ ide_dev_apply_params(&hwif->drives[i], i);
}
/*
diff --git a/drivers/ide/legacy/ali14xx.c b/drivers/ide/legacy/ali14xx.c
index 7276c96..90da1f9 100644
--- a/drivers/ide/legacy/ali14xx.c
+++ b/drivers/ide/legacy/ali14xx.c
@@ -131,7 +131,7 @@
drive->name, pio, time1, time2, param1, param2, param3, param4);
/* stuff timing parameters into controller registers */
- driveNum = (HWIF(drive)->index << 1) + drive->select.b.unit;
+ driveNum = (drive->hwif->index << 1) + (drive->dn & 1);
spin_lock_irqsave(&ali14xx_lock, flags);
outb_p(regOn, basePort);
outReg(param1, regTab[driveNum].reg1);
diff --git a/drivers/ide/legacy/qd65xx.c b/drivers/ide/legacy/qd65xx.c
index ec408b3..bc27c7a 100644
--- a/drivers/ide/legacy/qd65xx.c
+++ b/drivers/ide/legacy/qd65xx.c
@@ -305,7 +305,7 @@
} else
t2 = t1 = hwif->channel ? QD6580_DEF_DATA2 : QD6580_DEF_DATA;
- drive->drive_data = drive->select.b.unit ? t2 : t1;
+ drive->drive_data = (drive->dn & 1) ? t2 : t1;
}
static const struct ide_port_ops qd6500_port_ops = {
diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c
index e7475ba..c294b19 100644
--- a/drivers/ide/pci/aec62xx.c
+++ b/drivers/ide/pci/aec62xx.c
@@ -115,7 +115,7 @@
struct pci_dev *dev = to_pci_dev(hwif->dev);
struct ide_host *host = pci_get_drvdata(dev);
struct chipset_bus_clock_list_entry *bus_clock = host->host_priv;
- u8 unit = (drive->select.b.unit & 0x01);
+ u8 unit = drive->dn & 1;
u8 tmp1 = 0, tmp2 = 0;
u8 ultra = 0, drive_conf = 0, ultra_conf = 0;
unsigned long flags;
diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c
index 053c752..f1c57f7 100644
--- a/drivers/ide/pci/alim15x3.c
+++ b/drivers/ide/pci/alim15x3.c
@@ -77,8 +77,7 @@
int bus_speed = ide_pci_clk ? ide_pci_clk : 33;
int port = hwif->channel ? 0x5c : 0x58;
int portFIFO = hwif->channel ? 0x55 : 0x54;
- u8 cd_dma_fifo = 0;
- int unit = drive->select.b.unit & 1;
+ u8 cd_dma_fifo = 0, unit = drive->dn & 1;
if ((s_clc = (s_time * bus_speed + 999) / 1000) >= 8)
s_clc = 0;
@@ -112,7 +111,7 @@
}
pci_write_config_byte(dev, port, s_clc);
- pci_write_config_byte(dev, port+drive->select.b.unit+2, (a_clc << 4) | r_clc);
+ pci_write_config_byte(dev, port + unit + 2, (a_clc << 4) | r_clc);
local_irq_restore(flags);
}
@@ -154,7 +153,7 @@
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = to_pci_dev(hwif->dev);
u8 speed1 = speed;
- u8 unit = (drive->select.b.unit & 0x01);
+ u8 unit = drive->dn & 1;
u8 tmpbyte = 0x00;
int m5229_udma = (hwif->channel) ? 0x57 : 0x56;
diff --git a/drivers/ide/pci/cmd640.c b/drivers/ide/pci/cmd640.c
index d3afdff..e430664 100644
--- a/drivers/ide/pci/cmd640.c
+++ b/drivers/ide/pci/cmd640.c
@@ -468,7 +468,7 @@
*/
if (index > 1) {
ide_hwif_t *hwif = drive->hwif;
- ide_drive_t *peer = &hwif->drives[!drive->select.b.unit];
+ ide_drive_t *peer = &hwif->drives[!(drive->dn & 1)];
unsigned int mate = index ^ 1;
if (peer->dev_flags & IDE_DFLAG_PRESENT) {
@@ -607,7 +607,7 @@
static void cmd640_init_dev(ide_drive_t *drive)
{
- unsigned int i = drive->hwif->channel * 2 + drive->select.b.unit;
+ unsigned int i = drive->hwif->channel * 2 + (drive->dn & 1);
#ifdef CONFIG_BLK_DEV_CMD640_ENHANCED
/*
diff --git a/drivers/ide/pci/cs5535.c b/drivers/ide/pci/cs5535.c
index 1e5bc59..fa6dca9 100644
--- a/drivers/ide/pci/cs5535.c
+++ b/drivers/ide/pci/cs5535.c
@@ -76,7 +76,7 @@
static void cs5535_set_speed(ide_drive_t *drive, const u8 speed)
{
u32 reg = 0, dummy;
- int unit = drive->select.b.unit;
+ u8 unit = drive->dn & 1;
/* Set the PIO timings */
if (speed < XFER_SW_DMA_0) {
diff --git a/drivers/ide/pci/cy82c693.c b/drivers/ide/pci/cy82c693.c
index 5241ef7..e5f8fc0 100644
--- a/drivers/ide/pci/cy82c693.c
+++ b/drivers/ide/pci/cy82c693.c
@@ -178,8 +178,7 @@
#if CY82C693_DEBUG_INFO
printk(KERN_INFO "%s (ch=%d, dev=%d): set DMA mode to %d (single=%d)\n",
- drive->name, HWIF(drive)->channel, drive->select.b.unit,
- mode & 3, single);
+ drive->name, hwif->channel, drive->dn & 1, mode & 3, single);
#endif /* CY82C693_DEBUG_INFO */
/*
@@ -224,7 +223,7 @@
compute_clocks(pio, &pclk);
/* now let's write the clocks registers */
- if (drive->select.b.unit == 0) {
+ if ((drive->dn & 1) == 0) {
/*
* set master drive
* address setup control register
@@ -266,7 +265,7 @@
#if CY82C693_DEBUG_INFO
printk(KERN_INFO "%s (ch=%d, dev=%d): set PIO timing to "
"(addr=0x%X, ior=0x%X, iow=0x%X, 8bit=0x%X)\n",
- drive->name, hwif->channel, drive->select.b.unit,
+ drive->name, hwif->channel, drive->dn & 1,
addrCtrl, pclk.time_16r, pclk.time_16w, pclk.time_8);
#endif /* CY82C693_DEBUG_INFO */
}
diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c
index b761015..1aada44 100644
--- a/drivers/ide/pci/it821x.c
+++ b/drivers/ide/pci/it821x.c
@@ -138,8 +138,7 @@
struct pci_dev *dev = to_pci_dev(hwif->dev);
struct it821x_dev *itdev = ide_get_hwifdata(hwif);
int channel = hwif->channel;
- int unit = drive->select.b.unit;
- u8 conf;
+ u8 unit = drive->dn & 1, conf;
/* Program UDMA timing bits */
if(itdev->clock_mode == ATA_66)
@@ -168,13 +167,11 @@
ide_hwif_t *hwif = drive->hwif;
struct pci_dev *dev = to_pci_dev(hwif->dev);
struct it821x_dev *itdev = ide_get_hwifdata(hwif);
+ ide_drive_t *pair;
+ int clock, altclock, sel = 0;
+ u8 unit = drive->dn & 1, v;
- u8 unit = drive->select.b.unit;
- ide_drive_t *pair = &hwif->drives[1-unit];
-
- int clock, altclock;
- u8 v;
- int sel = 0;
+ pair = &hwif->drives[1 - unit];
if(itdev->want[0][0] > itdev->want[1][0]) {
clock = itdev->want[0][1];
@@ -240,16 +237,17 @@
static void it821x_set_pio_mode(ide_drive_t *drive, const u8 pio)
{
- ide_hwif_t *hwif = drive->hwif;
+ ide_hwif_t *hwif = drive->hwif;
struct it821x_dev *itdev = ide_get_hwifdata(hwif);
- int unit = drive->select.b.unit;
- ide_drive_t *pair = &hwif->drives[1 - unit];
- u8 set_pio = pio;
+ ide_drive_t *pair;
+ u8 unit = drive->dn & 1, set_pio = pio;
/* Spec says 89 ref driver uses 88 */
static u16 pio_timings[]= { 0xAA88, 0xA382, 0xA181, 0x3332, 0x3121 };
static u8 pio_want[] = { ATA_66, ATA_66, ATA_66, ATA_66, ATA_ANY };
+ pair = &hwif->drives[1 - unit];
+
/*
* Compute the best PIO mode we can for a given device. We must
* pick a speed that does not cause problems with the other device
@@ -286,9 +284,7 @@
ide_hwif_t *hwif = drive->hwif;
struct pci_dev *dev = to_pci_dev(hwif->dev);
struct it821x_dev *itdev = (void *)ide_get_hwifdata(hwif);
- int unit = drive->select.b.unit;
- int channel = hwif->channel;
- u8 conf;
+ u8 unit = drive->dn & 1, channel = hwif->channel, conf;
static u16 dma[] = { 0x8866, 0x3222, 0x3121 };
static u8 mwdma_want[] = { ATA_ANY, ATA_66, ATA_ANY };
@@ -325,9 +321,7 @@
ide_hwif_t *hwif = drive->hwif;
struct pci_dev *dev = to_pci_dev(hwif->dev);
struct it821x_dev *itdev = ide_get_hwifdata(hwif);
- int unit = drive->select.b.unit;
- int channel = hwif->channel;
- u8 conf;
+ u8 unit = drive->dn & 1, channel = hwif->channel, conf;
static u16 udma[] = { 0x4433, 0x4231, 0x3121, 0x2121, 0x1111, 0x2211, 0x1111 };
static u8 udma_want[] = { ATA_ANY, ATA_50, ATA_ANY, ATA_66, ATA_66, ATA_50, ATA_66 };
@@ -369,7 +363,8 @@
{
ide_hwif_t *hwif = drive->hwif;
struct it821x_dev *itdev = ide_get_hwifdata(hwif);
- int unit = drive->select.b.unit;
+ u8 unit = drive->dn & 1;
+
if(itdev->mwdma[unit] != MWDMA_OFF)
it821x_program(drive, itdev->mwdma[unit]);
else if(itdev->udma[unit] != UDMA_OFF && itdev->timing10)
@@ -389,9 +384,10 @@
static int it821x_dma_end(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
- int unit = drive->select.b.unit;
struct it821x_dev *itdev = ide_get_hwifdata(hwif);
int ret = __ide_dma_end(drive);
+ u8 unit = drive->dn & 1;
+
if(itdev->mwdma[unit] != MWDMA_OFF)
it821x_program(drive, itdev->pio[unit]);
return ret;
diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c
index 99e98e5..61a1436 100644
--- a/drivers/ide/pci/ns87415.c
+++ b/drivers/ide/pci/ns87415.c
@@ -160,8 +160,8 @@
new |= bit;
/* Select PIO or DMA, DMA may only be selected for one drive/channel. */
- bit = 1 << (20 + drive->select.b.unit + (hwif->channel << 1));
- other = 1 << (20 + (1 - drive->select.b.unit) + (hwif->channel << 1));
+ bit = 1 << (20 + (drive->dn & 1) + (hwif->channel << 1));
+ other = 1 << (20 + (1 - (drive->dn & 1)) + (hwif->channel << 1));
new = use_dma ? ((new & ~other) | bit) : (new & ~bit);
if (new != *old) {
diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/pci/opti621.c
index 3de11dd..f0db38b 100644
--- a/drivers/ide/pci/opti621.c
+++ b/drivers/ide/pci/opti621.c
@@ -179,7 +179,7 @@
misc = addr_timings[clk][addr_pio];
/* select Index-0/1 for Register-A/B */
- write_reg(drive->select.b.unit, MISC_REG);
+ write_reg(drive->dn & 1, MISC_REG);
/* set read cycle timings */
write_reg(tim, READ_REG);
/* set write cycle timings */
diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c
index 50405ed..79eeead 100644
--- a/drivers/ide/pci/sc1200.c
+++ b/drivers/ide/pci/sc1200.c
@@ -126,7 +126,6 @@
{
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = to_pci_dev(hwif->dev);
- int unit = drive->select.b.unit;
unsigned int reg, timings;
unsigned short pci_clock;
unsigned int basereg = hwif->channel ? 0x50 : 0x40;
@@ -155,7 +154,7 @@
else
timings = mwdma_timing[pci_clock][mode - XFER_MW_DMA_0];
- if (unit == 0) { /* are we configuring drive0? */
+ if ((drive->dn & 1) == 0) {
pci_read_config_dword(dev, basereg + 4, ®);
timings |= reg & 0x80000000; /* preserve PIO format bit */
pci_write_config_dword(dev, basereg + 4, timings);
diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c
index 62fa314..0eced0a 100644
--- a/drivers/ide/pci/scc_pata.c
+++ b/drivers/ide/pci/scc_pata.c
@@ -291,7 +291,7 @@
static void scc_dma_host_set(ide_drive_t *drive, int on)
{
ide_hwif_t *hwif = drive->hwif;
- u8 unit = (drive->select.b.unit & 0x01);
+ u8 unit = drive->dn & 1;
u8 dma_stat = scc_ide_inb(hwif->dma_base + 4);
if (on)
diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c
index 3dff2ae..7fac801 100644
--- a/drivers/ide/pci/serverworks.c
+++ b/drivers/ide/pci/serverworks.c
@@ -153,7 +153,7 @@
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = to_pci_dev(hwif->dev);
- u8 unit = (drive->select.b.unit & 0x01);
+ u8 unit = drive->dn & 1;
u8 ultra_enable = 0, ultra_timing = 0, dma_timing = 0;
diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c
index 174a873..134868c 100644
--- a/drivers/ide/pci/siimage.c
+++ b/drivers/ide/pci/siimage.c
@@ -116,13 +116,14 @@
{
ide_hwif_t *hwif = HWIF(drive);
unsigned long base = (unsigned long)hwif->hwif_data;
+ u8 unit = drive->dn & 1;
base += 0xA0 + r;
if (hwif->host_flags & IDE_HFLAG_MMIO)
base += hwif->channel << 6;
else
base += hwif->channel << 4;
- base |= drive->select.b.unit << drive->select.b.unit;
+ base |= unit << unit;
return base;
}
@@ -255,7 +256,7 @@
u8 addr_mask = hwif->channel ? (mmio ? 0xF4 : 0x84)
: (mmio ? 0xB4 : 0x80);
u8 mode = 0;
- u8 unit = drive->select.b.unit;
+ u8 unit = drive->dn & 1;
/* trim *taskfile* PIO to the slowest of the master/slave */
if (pair) {
@@ -301,9 +302,9 @@
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = to_pci_dev(hwif->dev);
- u16 ultra = 0, multi = 0;
- u8 mode = 0, unit = drive->select.b.unit;
unsigned long base = (unsigned long)hwif->hwif_data;
+ u16 ultra = 0, multi = 0;
+ u8 mode = 0, unit = drive->dn & 1;
u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
u8 scsc = 0, addr_mask = hwif->channel ? (mmio ? 0xF4 : 0x84)
: (mmio ? 0xB4 : 0x80);
diff --git a/drivers/ide/pci/triflex.c b/drivers/ide/pci/triflex.c
index be8715d..42fb98f 100644
--- a/drivers/ide/pci/triflex.c
+++ b/drivers/ide/pci/triflex.c
@@ -38,13 +38,12 @@
{
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = to_pci_dev(hwif->dev);
- u8 channel_offset = hwif->channel ? 0x74 : 0x70;
- u16 timing = 0;
u32 triflex_timings = 0;
- u8 unit = (drive->select.b.unit & 0x01);
-
+ u16 timing = 0;
+ u8 channel_offset = hwif->channel ? 0x74 : 0x70, unit = drive->dn & 1;
+
pci_read_config_dword(dev, channel_offset, &triflex_timings);
-
+
switch(speed) {
case XFER_MW_DMA_2:
timing = 0x0103;
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index 2de22b6..5b08370 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -433,7 +433,7 @@
if (pmif == NULL)
return;
- if (drive->select.b.unit & 0x01)
+ if (drive->dn & 1)
writel(pmif->timings[1], PMAC_IDE_REG(IDE_TIMING_CONFIG));
else
writel(pmif->timings[0], PMAC_IDE_REG(IDE_TIMING_CONFIG));
@@ -455,7 +455,7 @@
if (pmif == NULL)
return;
- if (drive->select.b.unit & 0x01) {
+ if (drive->dn & 1) {
writel(pmif->timings[1], PMAC_IDE_REG(IDE_KAUAI_PIO_CONFIG));
writel(pmif->timings[3], PMAC_IDE_REG(IDE_KAUAI_ULTRA_CONFIG));
} else {
@@ -528,7 +528,7 @@
return;
/* which drive is it ? */
- timings = &pmif->timings[drive->select.b.unit & 0x01];
+ timings = &pmif->timings[drive->dn & 1];
t = *timings;
cycle_time = ide_pio_cycle_time(drive, pio);
@@ -805,9 +805,9 @@
ide_hwif_t *hwif = drive->hwif;
pmac_ide_hwif_t *pmif =
(pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent);
- int unit = (drive->select.b.unit & 0x01);
int ret = 0;
u32 *timings, *timings2, tl[2];
+ u8 unit = drive->dn & 1;
timings = &pmif->timings[unit];
timings2 = &pmif->timings[unit+2];
@@ -1558,8 +1558,7 @@
pmac_ide_hwif_t *pmif =
(pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent);
struct request *rq = HWGROUP(drive)->rq;
- u8 unit = (drive->select.b.unit & 0x01);
- u8 ata4;
+ u8 unit = drive->dn & 1, ata4;
if (pmif == NULL)
return 1;