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path: root/drivers/ide/scc_pata.c
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Diffstat (limited to 'drivers/ide/scc_pata.c')
-rw-r--r--drivers/ide/scc_pata.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/drivers/ide/scc_pata.c b/drivers/ide/scc_pata.c
index 0f48f9dacfa..8d2314b6327 100644
--- a/drivers/ide/scc_pata.c
+++ b/drivers/ide/scc_pata.c
@@ -143,7 +143,7 @@ static u8 scc_read_altstatus(ide_hwif_t *hwif)
return (u8)in_be32((void *)hwif->io_ports.ctl_addr);
}
-static u8 scc_read_sff_dma_status(ide_hwif_t *hwif)
+static u8 scc_dma_sff_read_status(ide_hwif_t *hwif)
{
return (u8)in_be32((void *)(hwif->dma_base + 4));
}
@@ -217,7 +217,7 @@ scc_ide_outsl(unsigned long port, void *addr, u32 count)
static void scc_set_pio_mode(ide_drive_t *drive, const u8 pio)
{
- ide_hwif_t *hwif = HWIF(drive);
+ ide_hwif_t *hwif = drive->hwif;
struct scc_ports *ports = ide_get_hwifdata(hwif);
unsigned long ctl_base = ports->ctl;
unsigned long cckctrl_port = ctl_base + 0xff0;
@@ -249,7 +249,7 @@ static void scc_set_pio_mode(ide_drive_t *drive, const u8 pio)
static void scc_set_dma_mode(ide_drive_t *drive, const u8 speed)
{
- ide_hwif_t *hwif = HWIF(drive);
+ ide_hwif_t *hwif = drive->hwif;
struct scc_ports *ports = ide_get_hwifdata(hwif);
unsigned long ctl_base = ports->ctl;
unsigned long cckctrl_port = ctl_base + 0xff0;
@@ -259,7 +259,7 @@ static void scc_set_dma_mode(ide_drive_t *drive, const u8 speed)
unsigned long scrcst_port = ctl_base + 0x014;
unsigned long udenvt_port = ctl_base + 0x018;
unsigned long tdvhsel_port = ctl_base + 0x020;
- int is_slave = (&hwif->drives[1] == drive);
+ int is_slave = drive->dn & 1;
int offset, idx;
unsigned long reg;
unsigned long jcactsel;
@@ -292,7 +292,7 @@ static void scc_dma_host_set(ide_drive_t *drive, int on)
{
ide_hwif_t *hwif = drive->hwif;
u8 unit = drive->dn & 1;
- u8 dma_stat = scc_ide_inb(hwif->dma_base + 4);
+ u8 dma_stat = scc_dma_sff_read_status(hwif);
if (on)
dma_stat |= (1 << (5 + unit));
@@ -316,7 +316,7 @@ static void scc_dma_host_set(ide_drive_t *drive, int on)
static int scc_dma_setup(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
- struct request *rq = HWGROUP(drive)->rq;
+ struct request *rq = hwif->rq;
unsigned int reading;
u8 dma_stat;
@@ -338,7 +338,7 @@ static int scc_dma_setup(ide_drive_t *drive)
out_be32((void __iomem *)hwif->dma_base, reading);
/* read DMA status for INTR & ERROR flags */
- dma_stat = in_be32((void __iomem *)(hwif->dma_base + 4));
+ dma_stat = scc_dma_sff_read_status(hwif);
/* clear INTR & ERROR flags */
out_be32((void __iomem *)(hwif->dma_base + 4), dma_stat | 6);
@@ -367,7 +367,7 @@ static int __scc_dma_end(ide_drive_t *drive)
/* stop DMA */
scc_ide_outb(dma_cmd & ~1, hwif->dma_base);
/* get DMA status */
- dma_stat = scc_ide_inb(hwif->dma_base + 4);
+ dma_stat = scc_dma_sff_read_status(hwif);
/* clear the INTR & ERROR bits */
scc_ide_outb(dma_stat | 6, hwif->dma_base + 4);
/* purge DMA mappings */
@@ -387,7 +387,7 @@ static int __scc_dma_end(ide_drive_t *drive)
static int scc_dma_end(ide_drive_t *drive)
{
- ide_hwif_t *hwif = HWIF(drive);
+ ide_hwif_t *hwif = drive->hwif;
void __iomem *dma_base = (void __iomem *)hwif->dma_base;
unsigned long intsts_port = hwif->dma_base + 0x014;
u32 reg;
@@ -405,17 +405,18 @@ static int scc_dma_end(ide_drive_t *drive)
drive->name);
data_loss = 1;
if (retry++) {
- struct request *rq = HWGROUP(drive)->rq;
- int unit;
+ struct request *rq = hwif->rq;
+ ide_drive_t *drive;
+ int i;
+
/* ERROR_RESET and drive->crc_count are needed
* to reduce DMA transfer mode in retry process.
*/
if (rq)
rq->errors |= ERROR_RESET;
- for (unit = 0; unit < MAX_DRIVES; unit++) {
- ide_drive_t *drive = &hwif->drives[unit];
+
+ ide_port_for_each_dev(i, drive, hwif)
drive->crc_count++;
- }
}
}
}
@@ -496,7 +497,7 @@ static int scc_dma_end(ide_drive_t *drive)
/* returns 1 if dma irq issued, 0 otherwise */
static int scc_dma_test_irq(ide_drive_t *drive)
{
- ide_hwif_t *hwif = HWIF(drive);
+ ide_hwif_t *hwif = drive->hwif;
u32 int_stat = in_be32((void __iomem *)hwif->dma_base + 0x014);
/* SCC errata A252,A308 workaround: Step4 */
@@ -852,7 +853,6 @@ static const struct ide_tp_ops scc_tp_ops = {
.exec_command = scc_exec_command,
.read_status = scc_read_status,
.read_altstatus = scc_read_altstatus,
- .read_sff_dma_status = scc_read_sff_dma_status,
.set_irq = scc_set_irq,
@@ -879,6 +879,7 @@ static const struct ide_dma_ops scc_dma_ops = {
.dma_test_irq = scc_dma_test_irq,
.dma_lost_irq = ide_dma_lost_irq,
.dma_timeout = ide_dma_timeout,
+ .dma_sff_read_status = scc_dma_sff_read_status,
};
#define DECLARE_SCC_DEV(name_str) \