1 files changed, 15 insertions, 3 deletions

diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 8eea309ea212..137514dbbf65 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -1830,12 +1830,24 @@ static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc)
 static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc)
 {
         struct ahci_port_priv *pp = qc->ap->private_data;
-        u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
+        u8 *rx_fis = pp->rx_fis;
 
         if (pp->fbs_enabled)
-                d2h_fis += qc->dev->link->pmp * AHCI_RX_FIS_SZ;
+                rx_fis += qc->dev->link->pmp * AHCI_RX_FIS_SZ;
+
+        /*
+         * After a successful execution of an ATA PIO data-in command,
+         * the device doesn't send D2H Reg FIS to update the TF and
+         * the host should take TF and E_Status from the preceding PIO
+         * Setup FIS.
+         */
+        if (qc->tf.protocol == ATA_PROT_PIO && qc->dma_dir == DMA_FROM_DEVICE &&
+            !(qc->flags & ATA_QCFLAG_FAILED)) {
+                ata_tf_from_fis(rx_fis + RX_FIS_PIO_SETUP, &qc->result_tf);
+                qc->result_tf.command = (rx_fis + RX_FIS_PIO_SETUP)[15];
+        } else
+                ata_tf_from_fis(rx_fis + RX_FIS_D2H_REG, &qc->result_tf);
 
-        ata_tf_from_fis(d2h_fis, &qc->result_tf);
         return true;
 }