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-rw-r--r--drivers/ata/pata_it8213.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/ata/pata_it8213.c b/drivers/ata/pata_it8213.c
index 092af531aa0..f0bf77ad371 100644
--- a/drivers/ata/pata_it8213.c
+++ b/drivers/ata/pata_it8213.c
@@ -92,18 +92,17 @@ static void it8213_set_piomode (struct ata_port *ap, struct ata_device *adev)
{ 2, 1 },
{ 2, 3 }, };
- if (pio > 2)
- control |= 1; /* TIME1 enable */
+ if (pio > 1)
+ control |= 1; /* TIME */
if (ata_pio_need_iordy(adev)) /* PIO 3/4 require IORDY */
- control |= 2; /* IORDY enable */
+ control |= 2; /* IE */
/* Bit 2 is set for ATAPI on the IT8213 - reverse of ICH/PIIX */
if (adev->class != ATA_DEV_ATA)
- control |= 4;
+ control |= 4; /* PPE */
pci_read_config_word(dev, idetm_port, &idetm_data);
- /* Enable PPE, IE and TIME as appropriate */
-
+ /* Set PPE, IE, and TIME as appropriate */
if (adev->devno == 0) {
idetm_data &= 0xCCF0;
idetm_data |= control;
@@ -122,7 +121,7 @@ static void it8213_set_piomode (struct ata_port *ap, struct ata_device *adev)
pci_write_config_byte(dev, 0x44, slave_data);
}
- idetm_data |= 0x4000; /* Ensure SITRE is enabled */
+ idetm_data |= 0x4000; /* Ensure SITRE is set */
pci_write_config_word(dev, idetm_port, idetm_data);
}