01_libata_garzik-ahci-tf-read.patch
(included in libata-2.6) This is Jeff's tf_read() support
patch for AHCI.
Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
ahci.c | 11 +++++++++++
1 files changed, 11 insertions(+)
Index: libata-dev-2.6/drivers/scsi/ahci.c
===================================================================
--- libata-dev-2.6.orig/drivers/scsi/ahci.c 2005-03-17 12:36:29.000000000
-0500
+++ libata-dev-2.6/drivers/scsi/ahci.c 2005-03-17 17:16:57.000000000 -0500
@@ -179,6 +179,7 @@ static void ahci_eng_timeout(struct ata_
static int ahci_port_start(struct ata_port *ap);
static void ahci_port_stop(struct ata_port *ap);
static void ahci_host_stop(struct ata_host_set *host_set);
+static void ahci_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
static void ahci_qc_prep(struct ata_queued_cmd *qc);
static u8 ahci_check_status(struct ata_port *ap);
static u8 ahci_check_err(struct ata_port *ap);
@@ -213,6 +214,8 @@ static struct ata_port_operations ahci_o
.check_err = ahci_check_err,
.dev_select = ata_noop_dev_select,
+ .tf_read = ahci_tf_read,
+
.phy_reset = ahci_phy_reset,
.qc_prep = ahci_qc_prep,
@@ -466,6 +469,14 @@ static u8 ahci_check_err(struct ata_port
return (readl(mmio + PORT_TFDATA) >> 8) & 0xFF;
}
+static void ahci_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
+{
+ struct ahci_port_priv *pp = ap->private_data;
+ u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
+
+ ata_tf_from_fis(d2h_fis, tf);
+}
+
static void ahci_fill_sg(struct ata_queued_cmd *qc)
{
struct ahci_port_priv *pp = qc->ap->private_data;
-
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