From: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
Subject: [PATCH] piix: always program control bits
This matches behavior of libata ata_piix host driver.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
---
drivers/ide/piix.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
Index: b/drivers/ide/piix.c
===================================================================
--- a/drivers/ide/piix.c
+++ b/drivers/ide/piix.c
@@ -103,20 +103,16 @@ static void piix_set_pio_mode(ide_hwif_t
if (is_slave) {
master_data |= 0x4000;
master_data &= ~0x0070;
- if (pio > 1) {
- /* Set PPE, IE and TIME */
- master_data |= control << 4;
- }
+ /* Set PPE, IE and TIME */
+ master_data |= control << 4;
pci_read_config_byte(dev, slave_port, &slave_data);
slave_data &= hwif->channel ? 0x0f : 0xf0;
slave_data |= ((timings[pio][0] << 2) | timings[pio][1]) <<
(hwif->channel ? 4 : 0);
} else {
master_data &= ~0x3307;
- if (pio > 1) {
- /* enable PPE, IE and TIME */
- master_data |= control;
- }
+ /* enable PPE, IE and TIME */
+ master_data |= control;
master_data |= (timings[pio][0] << 12) | (timings[pio][1] << 8);
}
pci_write_config_word(dev, master_port, master_data);
--
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