1 files changed, 51 insertions, 19 deletions

diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c
index 916cedb3d755..560103d55b2e 100644
--- a/drivers/ata/pata_sis.c
+++ b/drivers/ata/pata_sis.c
@@ -32,7 +32,9 @@
 #include <scsi/scsi_host.h>
 #include <linux/libata.h>
 #include <linux/ata.h>
+#include "libata.h"
 
+#undef DRV_NAME         /* already defined in libata.h, for libata-core */
 #define DRV_NAME        "pata_sis"
 #define DRV_VERSION     "0.4.5"
 
@@ -43,6 +45,34 @@ struct sis_chipset {
            up code later */
 };
 
+struct sis_laptop {
+        u16 device;
+        u16 subvendor;
+        u16 subdevice;
+};
+
+static const struct sis_laptop sis_laptop[] = {
+        /* devid, subvendor, subdev */
+        { 0x5513, 0x1043, 0x1107 },     /* ASUS A6K */
+        /* end marker */
+        { 0, }
+};
+
+static int sis_short_ata40(struct pci_dev *dev)
+{
+        const struct sis_laptop *lap = &sis_laptop[0];
+
+        while (lap->device) {
+                if (lap->device == dev->device &&
+                    lap->subvendor == dev->subsystem_vendor &&
+                    lap->subdevice == dev->subsystem_device)
+                        return 1;
+                lap++;
+        }
+
+        return 0;
+}
+
 /**
  *      sis_port_base           -       return PCI configuration base for dev
  *      @adev: device
@@ -79,7 +109,7 @@ static int sis_133_pre_reset(struct ata_port *ap)
 
         /* The top bit of this register is the cable detect bit */
         pci_read_config_word(pdev, 0x50 + 2 * ap->port_no, &tmp);
-        if (tmp & 0x8000)
+        if ((tmp & 0x8000) && !sis_short_ata40(pdev))
                 ap->cbl = ATA_CBL_PATA40;
         else
                 ap->cbl = ATA_CBL_PATA80;
@@ -127,7 +157,7 @@ static int sis_66_pre_reset(struct ata_port *ap)
         /* Older chips keep cable detect in bits 4/5 of reg 0x48 */
         pci_read_config_byte(pdev, 0x48, &tmp);
         tmp >>= ap->port_no;
-        if (tmp & 0x10)
+        if ((tmp & 0x10) && !sis_short_ata40(pdev))
                 ap->cbl = ATA_CBL_PATA40;
         else
                 ap->cbl = ATA_CBL_PATA80;
@@ -573,14 +603,14 @@ static const struct ata_port_operations sis_133_ops = {
         .bmdma_status           = ata_bmdma_status,
         .qc_prep                = ata_qc_prep,
         .qc_issue               = ata_qc_issue_prot,
-        .data_xfer              = ata_pio_data_xfer,
+        .data_xfer              = ata_data_xfer,
 
         .irq_handler            = ata_interrupt,
         .irq_clear              = ata_bmdma_irq_clear,
+        .irq_on                 = ata_irq_on,
+        .irq_ack                = ata_irq_ack,
 
         .port_start             = ata_port_start,
-        .port_stop              = ata_port_stop,
-        .host_stop              = ata_host_stop,
 };
 
 static const struct ata_port_operations sis_133_early_ops = {
@@ -606,14 +636,14 @@ static const struct ata_port_operations sis_133_early_ops = {
         .bmdma_status           = ata_bmdma_status,
         .qc_prep                = ata_qc_prep,
         .qc_issue               = ata_qc_issue_prot,
-        .data_xfer              = ata_pio_data_xfer,
+        .data_xfer              = ata_data_xfer,
 
         .irq_handler            = ata_interrupt,
         .irq_clear              = ata_bmdma_irq_clear,
+        .irq_on                 = ata_irq_on,
+        .irq_ack                = ata_irq_ack,
 
         .port_start             = ata_port_start,
-        .port_stop              = ata_port_stop,
-        .host_stop              = ata_host_stop,
 };
 
 static const struct ata_port_operations sis_100_ops = {
@@ -640,14 +670,14 @@ static const struct ata_port_operations sis_100_ops = {
         .bmdma_status           = ata_bmdma_status,
         .qc_prep                = ata_qc_prep,
         .qc_issue               = ata_qc_issue_prot,
-        .data_xfer              = ata_pio_data_xfer,
+        .data_xfer              = ata_data_xfer,
 
         .irq_handler            = ata_interrupt,
         .irq_clear              = ata_bmdma_irq_clear,
+        .irq_on                 = ata_irq_on,
+        .irq_ack                = ata_irq_ack,
 
         .port_start             = ata_port_start,
-        .port_stop              = ata_port_stop,
-        .host_stop              = ata_host_stop,
 };
 
 static const struct ata_port_operations sis_66_ops = {
@@ -673,14 +703,14 @@ static const struct ata_port_operations sis_66_ops = {
         .bmdma_status           = ata_bmdma_status,
         .qc_prep                = ata_qc_prep,
         .qc_issue               = ata_qc_issue_prot,
-        .data_xfer              = ata_pio_data_xfer,
+        .data_xfer              = ata_data_xfer,
 
         .irq_handler            = ata_interrupt,
         .irq_clear              = ata_bmdma_irq_clear,
+        .irq_on                 = ata_irq_on,
+        .irq_ack                = ata_irq_ack,
 
         .port_start             = ata_port_start,
-        .port_stop              = ata_port_stop,
-        .host_stop              = ata_host_stop,
 };
 
 static const struct ata_port_operations sis_old_ops = {
@@ -706,14 +736,14 @@ static const struct ata_port_operations sis_old_ops = {
         .bmdma_status           = ata_bmdma_status,
         .qc_prep                = ata_qc_prep,
         .qc_issue               = ata_qc_issue_prot,
-        .data_xfer              = ata_pio_data_xfer,
+        .data_xfer              = ata_data_xfer,
 
         .irq_handler            = ata_interrupt,
         .irq_clear              = ata_bmdma_irq_clear,
+        .irq_on                 = ata_irq_on,
+        .irq_ack                = ata_irq_ack,
 
         .port_start             = ata_port_start,
-        .port_stop              = ata_port_stop,
-        .host_stop              = ata_host_stop,
 };
 
 static struct ata_port_info sis_info = {
@@ -753,7 +783,7 @@ static struct ata_port_info sis_info100_early = {
         .pio_mask       = 0x1f, /* pio0-4 */
         .port_ops       = &sis_66_ops,
 };
-static struct ata_port_info sis_info133 = {
+struct ata_port_info sis_info133 = {
         .sht            = &sis_sht,
         .flags          = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
         .pio_mask       = 0x1f, /* pio0-4 */
@@ -768,6 +798,8 @@ static struct ata_port_info sis_info133_early = {
         .port_ops       = &sis_133_early_ops,
 };
 
+/* Privately shared with the SiS180 SATA driver, not for use elsewhere */
+EXPORT_SYMBOL_GPL(sis_info133);
 
 static void sis_fixup(struct pci_dev *pdev, struct sis_chipset *sis)
 {
@@ -847,7 +879,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
         struct sis_chipset *chipset = NULL;
 
         static struct sis_chipset sis_chipsets[] = {
-        
+
                 { 0x0968, &sis_info133 },
                 { 0x0966, &sis_info133 },
                 { 0x0965, &sis_info133 },