[libata] Update several PATA drivers for new ->cable_detect hook

All patches authored and signed-off-by Alan Cox, sent on Mar 7, 2007.
I merely combined them all into a single patch.

Signed-off-by: Jeff Garzik <jeff@garzik.org>

13 files changed, 68 insertions, 133 deletions

diff --git a/drivers/ata/pata_hpt3x2n.c b/drivers/ata/pata_hpt3x2n.c
index 65f2e180e7fa..78323923143a 100644
--- a/drivers/ata/pata_hpt3x2n.c
+++ b/drivers/ata/pata_hpt3x2n.c
@@ -25,7 +25,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME        "pata_hpt3x2n"
-#define DRV_VERSION     "0.3.2"
+#define DRV_VERSION     "0.3.3"
 
 enum {
         HPT_PCI_FAST    =       (1 << 31),
@@ -115,14 +115,13 @@ static u32 hpt3x2n_find_mode(struct ata_port *ap, int speed)
 }
 
 /**
- *      hpt3x2n_pre_reset       -       reset the hpt3x2n bus
- *      @ap: ATA port to reset
+ *      hpt3x2n_cable_detect    -       Detect the cable type
+ *      @ap: ATA port to detect on
  *
- *      Perform the initial reset handling for the 3x2n series controllers.
- *      Reset the hardware and state machine, obtain the cable type.
+ *      Return the cable type attached to this port
  */
 
-static int hpt3xn_pre_reset(struct ata_port *ap)
+static int hpt3x2n_cable_detect(struct ata_port *ap)
 {
         u8 scr2, ata66;
         struct pci_dev *pdev = to_pci_dev(ap->host->dev);
@@ -135,15 +134,26 @@ static int hpt3xn_pre_reset(struct ata_port *ap)
         pci_write_config_byte(pdev, 0x5B, scr2);
 
         if (ata66 & (1 << ap->port_no))
-                ap->cbl = ATA_CBL_PATA40;
+                return ATA_CBL_PATA40;
         else
-                ap->cbl = ATA_CBL_PATA80;
+                return ATA_CBL_PATA80;
+}
+
+/**
+ *      hpt3x2n_pre_reset       -       reset the hpt3x2n bus
+ *      @ap: ATA port to reset
+ *
+ *      Perform the initial reset handling for the 3x2n series controllers.
+ *      Reset the hardware and state machine,
+ */
 
+static int hpt3xn_pre_reset(struct ata_port *ap)
+{
+        struct pci_dev *pdev = to_pci_dev(ap->host->dev);
         /* Reset the state machine */
         pci_write_config_byte(pdev, 0x50, 0x37);
         pci_write_config_byte(pdev, 0x54, 0x37);
         udelay(100);
-
         return ata_std_prereset(ap);
 }
 
@@ -364,6 +374,7 @@ static struct ata_port_operations hpt3x2n_port_ops = {
         .thaw           = ata_bmdma_thaw,
         .error_handler  = hpt3x2n_error_handler,
         .post_internal_cmd = ata_bmdma_post_internal_cmd,
+        .cable_detect   = hpt3x2n_cable_detect,
 
         .bmdma_setup    = ata_bmdma_setup,
         .bmdma_start    = ata_bmdma_start,
diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c
index be8c9ef8d0d4..f1f8cec8c224 100644
--- a/drivers/ata/pata_it821x.c
+++ b/drivers/ata/pata_it821x.c
@@ -80,7 +80,7 @@
 
 
 #define DRV_NAME "pata_it821x"
-#define DRV_VERSION "0.3.4"
+#define DRV_VERSION "0.3.6"
 
 struct it821x_dev
 {
@@ -113,31 +113,6 @@ struct it821x_dev
 static int it8212_noraid;
 
 /**
- *      it821x_pre_reset        -       probe
- *      @ap: ATA port
- *
- *      Set the cable type
- */
-
-static int it821x_pre_reset(struct ata_port *ap)
-{
-        ap->cbl = ATA_CBL_PATA80;
-        return ata_std_prereset(ap);
-}
-
-/**
- *      it821x_error_handler    -       probe/reset
- *      @ap: ATA port
- *
- *      Set the cable type and trigger a probe
- */
-
-static void it821x_error_handler(struct ata_port *ap)
-{
-        return ata_bmdma_drive_eh(ap, it821x_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
-}
-
-/**
  *      it821x_program  -       program the PIO/MWDMA registers
  *      @ap: ATA port
  *      @adev: Device to program
@@ -666,8 +641,9 @@ static struct ata_port_operations it821x_smart_port_ops = {
 
         .freeze         = ata_bmdma_freeze,
         .thaw           = ata_bmdma_thaw,
-        .error_handler  = it821x_error_handler,
+        .error_handler  = ata_bmdma_error_handler,
         .post_internal_cmd = ata_bmdma_post_internal_cmd,
+        .cable_detect   = ata_cable_unknown,
 
         .bmdma_setup    = ata_bmdma_setup,
         .bmdma_start    = ata_bmdma_start,
@@ -702,8 +678,9 @@ static struct ata_port_operations it821x_passthru_port_ops = {
 
         .freeze         = ata_bmdma_freeze,
         .thaw           = ata_bmdma_thaw,
-        .error_handler  = it821x_error_handler,
+        .error_handler  = ata_bmdma_error_handler,
         .post_internal_cmd = ata_bmdma_post_internal_cmd,
+        .cable_detect   = ata_cable_unknown,
 
         .bmdma_setup    = ata_bmdma_setup,
         .bmdma_start    = it821x_passthru_bmdma_start,
diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c
index 882c36eaf293..77b57321ff52 100644
--- a/drivers/ata/pata_mpc52xx.c
+++ b/drivers/ata/pata_mpc52xx.c
@@ -24,7 +24,7 @@
 
 
 #define DRV_NAME        "mpc52xx_ata"
-#define DRV_VERSION     "0.1.0"
+#define DRV_VERSION     "0.1.0ac2"
 
 
 /* Private structures used by the driver */
@@ -297,6 +297,7 @@ static struct ata_port_operations mpc52xx_ata_port_ops = {
         .freeze                 = ata_bmdma_freeze,
         .thaw                   = ata_bmdma_thaw,
         .error_handler          = mpc52xx_ata_error_handler,
+        .cable_detect           = ata_cable_40wire,
         .qc_prep                = ata_qc_prep,
         .qc_issue               = ata_qc_issue_prot,
         .data_xfer              = ata_data_xfer,
diff --git a/drivers/ata/pata_mpiix.c b/drivers/ata/pata_mpiix.c
index 4abe45ac19a2..1718eaca731f 100644
--- a/drivers/ata/pata_mpiix.c
+++ b/drivers/ata/pata_mpiix.c
@@ -35,7 +35,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME "pata_mpiix"
-#define DRV_VERSION "0.7.5"
+#define DRV_VERSION "0.7.6"
 
 enum {
         IDETIM = 0x6C,          /* IDE control register */
@@ -53,7 +53,6 @@ static int mpiix_pre_reset(struct ata_port *ap)
 
         if (!pci_test_config_bits(pdev, &mpiix_enable_bits))
                 return -ENOENT;
-        ap->cbl = ATA_CBL_PATA40;
         return ata_std_prereset(ap);
 }
 
@@ -185,6 +184,7 @@ static struct ata_port_operations mpiix_port_ops = {
         .thaw           = ata_bmdma_thaw,
         .error_handler  = mpiix_error_handler,
         .post_internal_cmd = ata_bmdma_post_internal_cmd,
+        .cable_detect   = ata_cable_40wire,
 
         .qc_prep        = ata_qc_prep,
         .qc_issue       = mpiix_qc_issue_prot,
diff --git a/drivers/ata/pata_ns87410.c b/drivers/ata/pata_ns87410.c
index 9944a28daa9c..078aeda9cf8d 100644
--- a/drivers/ata/pata_ns87410.c
+++ b/drivers/ata/pata_ns87410.c
@@ -28,13 +28,13 @@
 #include <linux/libata.h>
 
 #define DRV_NAME "pata_ns87410"
-#define DRV_VERSION "0.4.3"
+#define DRV_VERSION "0.4.6"
 
 /**
  *      ns87410_pre_reset               -       probe begin
  *      @ap: ATA port
  *
- *      Set up cable type and use generic probe init
+ *      Check enabled ports
  */
 
 static int ns87410_pre_reset(struct ata_port *ap)
@@ -47,7 +47,6 @@ static int ns87410_pre_reset(struct ata_port *ap)
 
         if (!pci_test_config_bits(pdev, &ns87410_enable_bits[ap->port_no]))
                 return -ENOENT;
-        ap->cbl = ATA_CBL_PATA40;
         return ata_std_prereset(ap);
 }
 
@@ -177,6 +176,7 @@ static struct ata_port_operations ns87410_port_ops = {
         .thaw           = ata_bmdma_thaw,
         .error_handler  = ns87410_error_handler,
         .post_internal_cmd = ata_bmdma_post_internal_cmd,
+        .cable_detect   = ata_cable_40wire,
 
         .qc_prep        = ata_qc_prep,
         .qc_issue       = ns87410_qc_issue_prot,
diff --git a/drivers/ata/pata_oldpiix.c b/drivers/ata/pata_oldpiix.c
index da68cd19efd6..dea4690340d1 100644
--- a/drivers/ata/pata_oldpiix.c
+++ b/drivers/ata/pata_oldpiix.c
@@ -25,7 +25,7 @@
 #include <linux/ata.h>
 
 #define DRV_NAME        "pata_oldpiix"
-#define DRV_VERSION     "0.5.4"
+#define DRV_VERSION     "0.5.5"
 
 /**
  *      oldpiix_pre_reset               -       probe begin
@@ -44,7 +44,6 @@ static int oldpiix_pre_reset(struct ata_port *ap)
 
         if (!pci_test_config_bits(pdev, &oldpiix_enable_bits[ap->port_no]))
                 return -ENOENT;
-        ap->cbl = ATA_CBL_PATA40;
         return ata_std_prereset(ap);
 }
 
@@ -65,7 +64,7 @@ static void oldpiix_pata_error_handler(struct ata_port *ap)
 /**
  *      oldpiix_set_piomode - Initialize host controller PATA PIO timings
  *      @ap: Port whose timings we are configuring
- *      @adev: um
+ *      @adev: Device whose timings we are configuring
  *
  *      Set PIO mode for device, in host controller PCI config space.
  *
@@ -255,6 +254,7 @@ static const struct ata_port_operations oldpiix_pata_ops = {
         .thaw                   = ata_bmdma_thaw,
         .error_handler          = oldpiix_pata_error_handler,
         .post_internal_cmd      = ata_bmdma_post_internal_cmd,
+        .cable_detect           = ata_cable_40wire,
 
         .bmdma_setup            = ata_bmdma_setup,
         .bmdma_start            = ata_bmdma_start,
diff --git a/drivers/ata/pata_opti.c b/drivers/ata/pata_opti.c
index 3fd3a35c2241..13b63e21838d 100644
--- a/drivers/ata/pata_opti.c
+++ b/drivers/ata/pata_opti.c
@@ -34,7 +34,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME "pata_opti"
-#define DRV_VERSION "0.2.8"
+#define DRV_VERSION "0.2.9"
 
 enum {
         READ_REG        = 0,    /* index of Read cycle timing register */
@@ -61,8 +61,6 @@ static int opti_pre_reset(struct ata_port *ap)
 
         if (!pci_test_config_bits(pdev, &opti_enable_bits[ap->port_no]))
                 return -ENOENT;
-
-        ap->cbl = ATA_CBL_PATA40;
         return ata_std_prereset(ap);
 }
 
@@ -198,6 +196,7 @@ static struct ata_port_operations opti_port_ops = {
         .thaw           = ata_bmdma_thaw,
         .error_handler  = opti_error_handler,
         .post_internal_cmd = ata_bmdma_post_internal_cmd,
+        .cable_detect   = ata_cable_40wire,
 
         .bmdma_setup    = ata_bmdma_setup,
         .bmdma_start    = ata_bmdma_start,
diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c
index 103720f873c8..820332a7ec7b 100644
--- a/drivers/ata/pata_pcmcia.c
+++ b/drivers/ata/pata_pcmcia.c
@@ -42,7 +42,7 @@
 
 
 #define DRV_NAME "pata_pcmcia"
-#define DRV_VERSION "0.3.0"
+#define DRV_VERSION "0.3.1"
 
 /*
  *      Private data structure to glue stuff together
@@ -84,6 +84,7 @@ static struct ata_port_operations pcmcia_port_ops = {
         .thaw           = ata_bmdma_thaw,
         .error_handler  = ata_bmdma_error_handler,
         .post_internal_cmd = ata_bmdma_post_internal_cmd,
+        .cable_detect   = ata_cable_40wire,
 
         .qc_prep        = ata_qc_prep,
         .qc_issue       = ata_qc_issue_prot,
diff --git a/drivers/ata/pata_pdc202xx_old.c b/drivers/ata/pata_pdc202xx_old.c
index a764ce8252aa..ee636beb05e1 100644
--- a/drivers/ata/pata_pdc202xx_old.c
+++ b/drivers/ata/pata_pdc202xx_old.c
@@ -22,45 +22,17 @@
 #include <linux/libata.h>
 
 #define DRV_NAME "pata_pdc202xx_old"
-#define DRV_VERSION "0.4.0"
+#define DRV_VERSION "0.4.2"
 
-/**
- *      pdc2024x_pre_reset              -       probe begin
- *      @ap: ATA port
- *
- *      Set up cable type and use generic probe init
- */
-
-static int pdc2024x_pre_reset(struct ata_port *ap)
-{
-        ap->cbl = ATA_CBL_PATA40;
-        return ata_std_prereset(ap);
-}
-
-
-static void pdc2024x_error_handler(struct ata_port *ap)
-{
-        ata_bmdma_drive_eh(ap, pdc2024x_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
-}
-
-
-static int pdc2026x_pre_reset(struct ata_port *ap)
+static int pdc2026x_cable_detect(struct ata_port *ap)
 {
         struct pci_dev *pdev = to_pci_dev(ap->host->dev);
         u16 cis;
 
         pci_read_config_word(pdev, 0x50, &cis);
         if (cis & (1 << (10 + ap->port_no)))
-                ap->cbl = ATA_CBL_PATA80;
-        else
-                ap->cbl = ATA_CBL_PATA40;
-
-        return ata_std_prereset(ap);
-}
-
-static void pdc2026x_error_handler(struct ata_port *ap)
-{
-        ata_bmdma_drive_eh(ap, pdc2026x_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
+                return ATA_CBL_PATA80;
+        return ATA_CBL_PATA40;
 }
 
 /**
@@ -291,8 +263,9 @@ static struct ata_port_operations pdc2024x_port_ops = {
 
         .freeze         = ata_bmdma_freeze,
         .thaw           = ata_bmdma_thaw,
-        .error_handler  = pdc2024x_error_handler,
+        .error_handler  = ata_bmdma_error_handler,
         .post_internal_cmd = ata_bmdma_post_internal_cmd,
+        .cable_detect   = ata_cable_40wire,
 
         .bmdma_setup    = ata_bmdma_setup,
         .bmdma_start    = ata_bmdma_start,
@@ -325,8 +298,9 @@ static struct ata_port_operations pdc2026x_port_ops = {
 
         .freeze         = ata_bmdma_freeze,
         .thaw           = ata_bmdma_thaw,
-        .error_handler  = pdc2026x_error_handler,
+        .error_handler  = ata_bmdma_error_handler,
         .post_internal_cmd = ata_bmdma_post_internal_cmd,
+        .cable_detect   = pdc2026x_cable_detect,
 
         .bmdma_setup    = ata_bmdma_setup,
         .bmdma_start    = pdc2026x_bmdma_start,
diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c
index 598eef810a74..283e9afade01 100644
--- a/drivers/ata/pata_serverworks.c
+++ b/drivers/ata/pata_serverworks.c
@@ -1,5 +1,5 @@
 /*
- * ata-serverworks.c    - Serverworks PATA for new ATA layer
+ * pata_serverworks.c   - Serverworks PATA for new ATA layer
  *                        (C) 2005 Red Hat Inc
  *                        Alan Cox <alan@redhat.com>
  *
@@ -137,14 +137,14 @@ static struct sv_cable_table cable_detect[] = {
 };
 
 /**
- *      serverworks_pre_reset           -       cable detection
+ *      serverworks_cable_detect        -       cable detection
  *      @ap: ATA port
  *
  *      Perform cable detection according to the device and subvendor
  *      identifications
  */
 
-static int serverworks_pre_reset(struct ata_port *ap) {
+static int serverworks_cable_detect(struct ata_port *ap) {
         struct pci_dev *pdev = to_pci_dev(ap->host->dev);
         struct sv_cable_table *cb = cable_detect;
 
@@ -152,8 +152,7 @@ static int serverworks_pre_reset(struct ata_port *ap) {
                 if (cb->device == pdev->device &&
                     (cb->subvendor == pdev->subsystem_vendor ||
                       cb->subvendor == PCI_ANY_ID)) {
-                        ap->cbl = cb->cable_detect(ap);
-                        return ata_std_prereset(ap);
+                        return cb->cable_detect(ap);
                 }
                 cb++;
         }
@@ -162,11 +161,6 @@ static int serverworks_pre_reset(struct ata_port *ap) {
         return -1;      /* kill compiler warning */
 }
 
-static void serverworks_error_handler(struct ata_port *ap)
-{
-        return ata_bmdma_drive_eh(ap, serverworks_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
-}
-
 /**
  *      serverworks_is_csb      -       Check for CSB or OSB
  *      @pdev: PCI device to check
@@ -339,8 +333,9 @@ static struct ata_port_operations serverworks_osb4_port_ops = {
 
         .freeze         = ata_bmdma_freeze,
         .thaw           = ata_bmdma_thaw,
-        .error_handler  = serverworks_error_handler,
+        .error_handler  = ata_bmdma_error_handler,
         .post_internal_cmd = ata_bmdma_post_internal_cmd,
+        .cable_detect   = serverworks_cable_detect,
 
         .bmdma_setup    = ata_bmdma_setup,
         .bmdma_start    = ata_bmdma_start,
@@ -374,8 +369,9 @@ static struct ata_port_operations serverworks_csb_port_ops = {
 
         .freeze         = ata_bmdma_freeze,
         .thaw           = ata_bmdma_thaw,
-        .error_handler  = serverworks_error_handler,
+        .error_handler  = ata_bmdma_error_handler,
         .post_internal_cmd = ata_bmdma_post_internal_cmd,
+        .cable_detect   = serverworks_cable_detect,
 
         .bmdma_setup    = ata_bmdma_setup,
         .bmdma_start    = ata_bmdma_start,
diff --git a/drivers/ata/pata_sil680.c b/drivers/ata/pata_sil680.c
index dab2889a556f..6770820cfca9 100644
--- a/drivers/ata/pata_sil680.c
+++ b/drivers/ata/pata_sil680.c
@@ -33,7 +33,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME "pata_sil680"
-#define DRV_VERSION "0.4.5"
+#define DRV_VERSION "0.4.6"
 
 /**
  *      sil680_selreg           -       return register base
@@ -91,12 +91,6 @@ static int sil680_cable_detect(struct ata_port *ap) {
                 return ATA_CBL_PATA40;
 }
 
-static int sil680_pre_reset(struct ata_port *ap)
-{
-        ap->cbl = sil680_cable_detect(ap);
-        return ata_std_prereset(ap);
-}
-
 /**
  *      sil680_bus_reset        -       reset the SIL680 bus
  *      @ap: ATA port to reset
@@ -119,7 +113,7 @@ static int sil680_bus_reset(struct ata_port *ap,unsigned int *classes)
 
 static void sil680_error_handler(struct ata_port *ap)
 {
-        ata_bmdma_drive_eh(ap, sil680_pre_reset, sil680_bus_reset, NULL, ata_std_postreset);
+        ata_bmdma_drive_eh(ap, ata_std_prereset, sil680_bus_reset, NULL, ata_std_postreset);
 }
 
 /**
@@ -257,6 +251,7 @@ static struct ata_port_operations sil680_port_ops = {
         .thaw           = ata_bmdma_thaw,
         .error_handler  = sil680_error_handler,
         .post_internal_cmd = ata_bmdma_post_internal_cmd,
+        .cable_detect   = sil680_cable_detect,
 
         .bmdma_setup    = ata_bmdma_setup,
         .bmdma_start    = ata_bmdma_start,
diff --git a/drivers/ata/pata_triflex.c b/drivers/ata/pata_triflex.c
index 71418f2a0cdb..e618ffd6e944 100644
--- a/drivers/ata/pata_triflex.c
+++ b/drivers/ata/pata_triflex.c
@@ -43,7 +43,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME "pata_triflex"
-#define DRV_VERSION "0.2.7"
+#define DRV_VERSION "0.2.8"
 
 /**
  *      triflex_prereset                -       probe begin
@@ -63,7 +63,6 @@ static int triflex_prereset(struct ata_port *ap)
 
         if (!pci_test_config_bits(pdev, &triflex_enable_bits[ap->port_no]))
                 return -ENOENT;
-        ap->cbl = ATA_CBL_PATA40;
         return ata_std_prereset(ap);
 }
 
@@ -214,6 +213,7 @@ static struct ata_port_operations triflex_port_ops = {
         .thaw           = ata_bmdma_thaw,
         .error_handler  = triflex_error_handler,
         .post_internal_cmd = ata_bmdma_post_internal_cmd,
+        .cable_detect   = ata_cable_40wire,
 
         .bmdma_setup    = ata_bmdma_setup,
         .bmdma_start    = triflex_bmdma_start,
diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index 598e6a26a481..842ccf601224 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -78,8 +78,7 @@ static u32 svia_scr_read (struct ata_port *ap, unsigned int sc_reg);
 static void svia_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
 static void svia_noop_freeze(struct ata_port *ap);
 static void vt6420_error_handler(struct ata_port *ap);
-static void vt6421_sata_error_handler(struct ata_port *ap);
-static void vt6421_pata_error_handler(struct ata_port *ap);
+static int vt6421_pata_cable_detect(struct ata_port *ap);
 static void vt6421_set_pio_mode(struct ata_port *ap, struct ata_device *adev);
 static void vt6421_set_dma_mode(struct ata_port *ap, struct ata_device *adev);
 static int vt6421_port_start(struct ata_port *ap);
@@ -172,8 +171,9 @@ static const struct ata_port_operations vt6421_pata_ops = {
 
         .freeze                 = ata_bmdma_freeze,
         .thaw                   = ata_bmdma_thaw,
-        .error_handler          = vt6421_pata_error_handler,
+        .error_handler          = ata_bmdma_error_handler,
         .post_internal_cmd      = ata_bmdma_post_internal_cmd,
+        .cable_detect           = vt6421_pata_cable_detect,
 
         .irq_handler            = ata_interrupt,
         .irq_clear              = ata_bmdma_irq_clear,
@@ -203,8 +203,9 @@ static const struct ata_port_operations vt6421_sata_ops = {
 
         .freeze                 = ata_bmdma_freeze,
         .thaw                   = ata_bmdma_thaw,
-        .error_handler          = vt6421_sata_error_handler,
+        .error_handler          = ata_bmdma_error_handler,
         .post_internal_cmd      = ata_bmdma_post_internal_cmd,
+        .cable_detect           = ata_cable_sata,
 
         .irq_handler            = ata_interrupt,
         .irq_clear              = ata_bmdma_irq_clear,
@@ -330,35 +331,15 @@ static void vt6420_error_handler(struct ata_port *ap)
                                   NULL, ata_std_postreset);
 }
 
-static int vt6421_pata_prereset(struct ata_port *ap)
+static int vt6421_pata_cable_detect(struct ata_port *ap)
 {
         struct pci_dev *pdev = to_pci_dev(ap->host->dev);
         u8 tmp;
 
         pci_read_config_byte(pdev, PATA_UDMA_TIMING, &tmp);
         if (tmp & 0x10)
-                ap->cbl = ATA_CBL_PATA40;
-        else
-                ap->cbl = ATA_CBL_PATA80;
-        return 0;
-}
-
-static void vt6421_pata_error_handler(struct ata_port *ap)
-{
-        return ata_bmdma_drive_eh(ap, vt6421_pata_prereset, ata_std_softreset,
-                                  NULL, ata_std_postreset);
-}
-
-static int vt6421_sata_prereset(struct ata_port *ap)
-{
-        ap->cbl = ATA_CBL_SATA;
-        return 0;
-}
-
-static void vt6421_sata_error_handler(struct ata_port *ap)
-{
-        return ata_bmdma_drive_eh(ap, vt6421_sata_prereset, ata_std_softreset,
-                                  NULL, ata_std_postreset);
+                return ATA_CBL_PATA40;
+        return ATA_CBL_PATA80;
 }
 
 static void vt6421_set_pio_mode(struct ata_port *ap, struct ata_device *adev)