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-rw-r--r--drivers/ata/sata_promise.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index 8daf5d67dfe..a2778cf016b 100644
--- a/drivers/ata/sata_promise.c
+++ b/drivers/ata/sata_promise.c
@@ -280,6 +280,7 @@ static struct pci_driver pdc_ata_pci_driver = {
static int pdc_port_start(struct ata_port *ap)
{
struct device *dev = ap->host->dev;
+ struct pdc_host_priv *hp = ap->host->private_data;
struct pdc_port_priv *pp;
int rc;
@@ -301,6 +302,16 @@ static int pdc_port_start(struct ata_port *ap)
ap->private_data = pp;
+ /* fix up PHYMODE4 align timing */
+ if ((hp->flags & PDC_FLAG_GEN_II) && sata_scr_valid(ap)) {
+ void __iomem *mmio = (void __iomem *) ap->ioaddr.scr_addr;
+ unsigned int tmp;
+
+ tmp = readl(mmio + 0x014);
+ tmp = (tmp & ~3) | 1; /* set bits 1:0 = 0:1 */
+ writel(tmp, mmio + 0x014);
+ }
+
return 0;
err_out_kfree: