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-rw-r--r--drivers/ata/pata_sis.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c
index 2b4508206a6..657b1ee2f5c 100644
--- a/drivers/ata/pata_sis.c
+++ b/drivers/ata/pata_sis.c
@@ -149,6 +149,9 @@ static int sis_pre_reset(struct ata_port *ap, unsigned long deadline)
if (!pci_test_config_bits(pdev, &sis_enable_bits[ap->port_no]))
return -ENOENT;
+ /* Clear the FIFO settings. We can't enable the FIFO until
+ we know we are poking at a disk */
+ pci_write_config_byte(pdev, 0x4B, 0);
return ata_std_prereset(ap, deadline);
}