diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-09-07 08:19:51 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-07 08:19:51 +0200 |
| commit | a1922ed661ab2c1637d0b10cde933bd9cd33d965 (patch) | |
| tree | 0f1777542b385ebefd30b3586d830fd8ed6fda5b /drivers/ide/pdc202xx_old.c | |
| parent | 75e33751ca8bbb72dd6f1a74d2810ddc8cbe4bdf (diff) | |
| parent | d28daf923ac5e4a0d7cecebae56f3e339189366b (diff) | |
Merge branch 'tracing/core' into tracing/hw-breakpoints
Conflicts:
arch/Kconfig
kernel/trace/trace.h
Merge reason: resolve the conflicts, plus adopt to the new
ring-buffer APIs.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/ide/pdc202xx_old.c')
| -rw-r--r-- | drivers/ide/pdc202xx_old.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/ide/pdc202xx_old.c b/drivers/ide/pdc202xx_old.c index b6abf7e52cac..cb812f3700e8 100644 --- a/drivers/ide/pdc202xx_old.c +++ b/drivers/ide/pdc202xx_old.c @@ -73,7 +73,7 @@ static void pdc202xx_set_mode(ide_drive_t *drive, const u8 speed) * Prefetch_EN / IORDY_EN / PA[3:0] bits of register A */ AP &= ~0x3f; - if (ata_id_iordy_disable(drive->id)) + if (ide_pio_need_iordy(drive, speed - XFER_PIO_0)) AP |= 0x20; /* set IORDY_EN bit */ if (drive->media == ide_disk) AP |= 0x10; /* set Prefetch_EN bit */ @@ -104,6 +104,27 @@ static void pdc202xx_set_pio_mode(ide_drive_t *drive, const u8 pio) pdc202xx_set_mode(drive, XFER_PIO_0 + pio); } +static int pdc202xx_test_irq(ide_hwif_t *hwif) +{ + struct pci_dev *dev = to_pci_dev(hwif->dev); + unsigned long high_16 = pci_resource_start(dev, 4); + u8 sc1d = inb(high_16 + 0x1d); + + if (hwif->channel) { + /* + * bit 7: error, bit 6: interrupting, + * bit 5: FIFO full, bit 4: FIFO empty + */ + return ((sc1d & 0x50) == 0x40) ? 1 : 0; + } else { + /* + * bit 3: error, bit 2: interrupting, + * bit 1: FIFO full, bit 0: FIFO empty + */ + return ((sc1d & 0x05) == 0x04) ? 1 : 0; + } +} + static u8 pdc2026x_cable_detect(ide_hwif_t *hwif) { struct pci_dev *dev = to_pci_dev(hwif->dev); @@ -231,6 +252,7 @@ static void __devinit pdc202ata4_fixup_irq(struct pci_dev *dev, static const struct ide_port_ops pdc20246_port_ops = { .set_pio_mode = pdc202xx_set_pio_mode, .set_dma_mode = pdc202xx_set_mode, + .test_irq = pdc202xx_test_irq, }; static const struct ide_port_ops pdc2026x_port_ops = { |