[libata] remove ata_chk_err(), ->check_err() hook.

We now depend on ->tf_read() to provide us with the contents
of the Error shadow register.

1 files changed, 0 insertions, 9 deletions

diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index fe8187d6f58b..03829aedfd39 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -192,7 +192,6 @@ static void ahci_port_stop(struct ata_port *ap);
 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);
 static inline int ahci_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc);
 static void ahci_remove_one (struct pci_dev *pdev);
 
@@ -221,7 +220,6 @@ static const struct ata_port_operations ahci_ops = {
 
         .check_status           = ahci_check_status,
         .check_altstatus        = ahci_check_status,
-        .check_err              = ahci_check_err,
         .dev_select             = ata_noop_dev_select,
 
         .tf_read                = ahci_tf_read,
@@ -458,13 +456,6 @@ static u8 ahci_check_status(struct ata_port *ap)
         return readl(mmio + PORT_TFDATA) & 0xFF;
 }
 
-static u8 ahci_check_err(struct ata_port *ap)
-{
-        void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr;
-
-        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;