15 files changed, 114 insertions, 69 deletions

diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 3f4aa0c99ee4..03f6338acc8f 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -6,6 +6,7 @@ menu "Serial ATA (prod) and Parallel ATA (experimental) drivers"
 
 config ATA
         tristate "ATA device support"
+        depends on BLOCK
         depends on !(M32R || M68K) || BROKEN
         depends on !SUN4 || BROKEN
         select SCSI
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 25929123ffff..234197e57e9e 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -334,6 +334,14 @@ static const struct pci_device_id ahci_pci_tbl[] = {
         { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci },            /* MCP65 */
         { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci },            /* MCP65 */
         { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci },            /* MCP65 */
+        { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci },            /* MCP67 */
+        { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci },            /* MCP67 */
+        { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci },            /* MCP67 */
+        { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci },            /* MCP67 */
+        { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci },            /* MCP67 */
+        { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci },            /* MCP67 */
+        { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci },            /* MCP67 */
+        { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci },            /* MCP67 */
 
         /* SiS */
         { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
@@ -736,8 +744,7 @@ static int ahci_softreset(struct ata_port *ap, unsigned int *class)
         }
 
         /* check BUSY/DRQ, perform Command List Override if necessary */
-        ahci_tf_read(ap, &tf);
-        if (tf.command & (ATA_BUSY | ATA_DRQ)) {
+        if (ahci_check_status(ap) & (ATA_BUSY | ATA_DRQ)) {
                 rc = ahci_clo(ap);
 
                 if (rc == -EOPNOTSUPP) {
@@ -1041,7 +1048,7 @@ static void ahci_host_intr(struct ata_port *ap)
         /* hmmm... a spurious interupt */
 
         /* some devices send D2H reg with I bit set during NCQ command phase */
-        if (ap->sactive && status & PORT_IRQ_D2H_REG_FIS)
+        if (ap->sactive && (status & PORT_IRQ_D2H_REG_FIS))
                 return;
 
         /* ignore interim PIO setup fis interrupts */
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 5719704eb0ee..720174d628fa 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -126,8 +126,7 @@ enum {
         ich6_sata               = 7,
         ich6_sata_ahci          = 8,
         ich6m_sata_ahci         = 9,
-        ich7m_sata_ahci         = 10,
-        ich8_sata_ahci          = 11,
+        ich8_sata_ahci          = 10,
 
         /* constants for mapping table */
         P0                      = 0,  /* port 0 */
@@ -227,7 +226,7 @@ static const struct pci_device_id piix_pci_tbl[] = {
         /* 82801GB/GR/GH (ICH7, identical to ICH6) */
         { 0x8086, 0x27c0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci },
         /* 2801GBM/GHM (ICH7M, identical to ICH6M) */
-        { 0x8086, 0x27c4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich7m_sata_ahci },
+        { 0x8086, 0x27c4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6m_sata_ahci },
         /* Enterprise Southbridge 2 (where's the datasheet?) */
         { 0x8086, 0x2680, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci },
         /* SATA Controller 1 IDE (ICH8, no datasheet yet) */
@@ -399,23 +398,10 @@ static const struct piix_map_db ich6m_map_db = {
         .mask = 0x3,
         .port_enable = 0x5,
         .present_shift = 4,
-        .map = {
-                /* PM   PS   SM   SS       MAP */
-                {  P0,  P2,  RV,  RV }, /* 00b */
-                {  RV,  RV,  RV,  RV },
-                {  P0,  P2, IDE, IDE }, /* 10b */
-                {  RV,  RV,  RV,  RV },
-        },
-};
-
-static const struct piix_map_db ich7m_map_db = {
-        .mask = 0x3,
-        .port_enable = 0x5,
-        .present_shift = 4,
 
         /* Map 01b isn't specified in the doc but some notebooks use
-         * it anyway.  ATM, the only case spotted carries subsystem ID
-         * 1025:0107.  This is the only difference from ich6m.
+         * it anyway.  MAP 01b have been spotted on both ICH6M and
+         * ICH7M.
          */
         .map = {
                 /* PM   PS   SM   SS       MAP */
@@ -432,9 +418,9 @@ static const struct piix_map_db ich8_map_db = {
         .present_shift = 8,
         .map = {
                 /* PM   PS   SM   SS       MAP */
-                {  P0,  NA,  P1,  NA }, /* 00b (hardwired) */
+                {  P0,  P2,  P1,  P3 }, /* 00b (hardwired when in AHCI) */
                 {  RV,  RV,  RV,  RV },
-                {  RV,  RV,  RV,  RV }, /* 10b (never) */
+                {  IDE,  IDE,  NA,  NA }, /* 10b (IDE mode) */
                 {  RV,  RV,  RV,  RV },
         },
 };
@@ -445,7 +431,6 @@ static const struct piix_map_db *piix_map_db_table[] = {
         [ich6_sata]             = &ich6_map_db,
         [ich6_sata_ahci]        = &ich6_map_db,
         [ich6m_sata_ahci]       = &ich6m_map_db,
-        [ich7m_sata_ahci]       = &ich7m_map_db,
         [ich8_sata_ahci]        = &ich8_map_db,
 };
 
@@ -556,19 +541,7 @@ static struct ata_port_info piix_port_info[] = {
                 .port_ops       = &piix_sata_ops,
         },
 
-        /* ich7m_sata_ahci: 10 */
-        {
-                .sht            = &piix_sht,
-                .flags          = ATA_FLAG_SATA |
-                                  PIIX_FLAG_CHECKINTR | PIIX_FLAG_SCR |
-                                  PIIX_FLAG_AHCI,
-                .pio_mask       = 0x1f, /* pio0-4 */
-                .mwdma_mask     = 0x07, /* mwdma0-2 */
-                .udma_mask      = 0x7f, /* udma0-6 */
-                .port_ops       = &piix_sata_ops,
-        },
-
-        /* ich8_sata_ahci: 11 */
+        /* ich8_sata_ahci: 10 */
         {
                 .sht            = &piix_sht,
                 .flags          = ATA_FLAG_SATA |
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 77138a39eb04..915a55a6cc14 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -870,7 +870,11 @@ static unsigned int ata_id_xfermask(const u16 *id)
                  * the PIO timing number for the maximum. Turn it into
                  * a mask.
                  */
-                pio_mask = (2 << (id[ATA_ID_OLD_PIO_MODES] & 0xFF)) - 1 ;
+                u8 mode = id[ATA_ID_OLD_PIO_MODES] & 0xFF;
+                if (mode < 5)   /* Valid PIO range */
+                        pio_mask = (2 << mode) - 1;
+                else
+                        pio_mask = 1;
 
                 /* But wait.. there's more. Design your standards by
                  * committee and you too can get a free iordy field to
@@ -5953,7 +5957,7 @@ static void __exit ata_exit(void)
         destroy_workqueue(ata_aux_wq);
 }
 
-module_init(ata_init);
+subsys_initcall(ata_init);
 module_exit(ata_exit);
 
 static unsigned long ratelimit_time;
@@ -6118,7 +6122,6 @@ EXPORT_SYMBOL_GPL(ata_std_prereset);
 EXPORT_SYMBOL_GPL(ata_std_softreset);
 EXPORT_SYMBOL_GPL(sata_std_hardreset);
 EXPORT_SYMBOL_GPL(ata_std_postreset);
-EXPORT_SYMBOL_GPL(ata_dev_revalidate);
 EXPORT_SYMBOL_GPL(ata_dev_classify);
 EXPORT_SYMBOL_GPL(ata_dev_pair);
 EXPORT_SYMBOL_GPL(ata_port_disable);
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index b0d0cc41f3e8..5c1fc467fc7f 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -164,10 +164,10 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
 {
         int rc = 0;
         u8 scsi_cmd[MAX_COMMAND_SIZE];
-        u8 args[4], *argbuf = NULL;
+        u8 args[4], *argbuf = NULL, *sensebuf = NULL;
         int argsize = 0;
-        struct scsi_sense_hdr sshdr;
         enum dma_data_direction data_dir;
+        int cmd_result;
 
         if (arg == NULL)
                 return -EINVAL;
@@ -175,6 +175,10 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
         if (copy_from_user(args, arg, sizeof(args)))
                 return -EFAULT;
 
+        sensebuf = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_NOIO);
+        if (!sensebuf)
+                return -ENOMEM;
+
         memset(scsi_cmd, 0, sizeof(scsi_cmd));
 
         if (args[3]) {
@@ -191,7 +195,7 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
                 data_dir = DMA_FROM_DEVICE;
         } else {
                 scsi_cmd[1]  = (3 << 1); /* Non-data */
-                /* scsi_cmd[2] is already 0 -- no off.line, cc, or data xfer */
+                scsi_cmd[2]  = 0x20;     /* cc but no off.line or data xfer */
                 data_dir = DMA_NONE;
         }
 
@@ -210,18 +214,46 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
 
         /* Good values for timeout and retries?  Values below
            from scsi_ioctl_send_command() for default case... */
-        if (scsi_execute_req(scsidev, scsi_cmd, data_dir, argbuf, argsize,
-                             &sshdr, (10*HZ), 5)) {
+        cmd_result = scsi_execute(scsidev, scsi_cmd, data_dir, argbuf, argsize,
+                                  sensebuf, (10*HZ), 5, 0);
+
+        if (driver_byte(cmd_result) == DRIVER_SENSE) {/* sense data available */
+                u8 *desc = sensebuf + 8;
+                cmd_result &= ~(0xFF<<24); /* DRIVER_SENSE is not an error */
+
+                /* If we set cc then ATA pass-through will cause a
+                 * check condition even if no error. Filter that. */
+                if (cmd_result & SAM_STAT_CHECK_CONDITION) {
+                        struct scsi_sense_hdr sshdr;
+                        scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE,
+                                              &sshdr);
+                        if (sshdr.sense_key==0 &&
+                            sshdr.asc==0 && sshdr.ascq==0)
+                                cmd_result &= ~SAM_STAT_CHECK_CONDITION;
+                }
+
+                /* Send userspace a few ATA registers (same as drivers/ide) */
+                if (sensebuf[0] == 0x72 &&     /* format is "descriptor" */
+                    desc[0] == 0x09 ) {        /* code is "ATA Descriptor" */
+                        args[0] = desc[13];    /* status */
+                        args[1] = desc[3];     /* error */
+                        args[2] = desc[5];     /* sector count (0:7) */
+                        if (copy_to_user(arg, args, sizeof(args)))
+                                rc = -EFAULT;
+                }
+        }
+
+
+        if (cmd_result) {
                 rc = -EIO;
                 goto error;
         }
 
-        /* Need code to retrieve data from check condition? */
-
         if ((argbuf)
          && copy_to_user(arg + sizeof(args), argbuf, argsize))
                 rc = -EFAULT;
 error:
+        kfree(sensebuf);
         kfree(argbuf);
         return rc;
 }
@@ -1580,9 +1612,9 @@ early_finish:
 
 err_did:
         ata_qc_free(qc);
-err_mem:
         cmd->result = (DID_ERROR << 16);
         done(cmd);
+err_mem:
         DPRINTK("EXIT - internal\n");
         return 0;
 
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 06daaa3736a2..7645f2b30ccf 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -981,6 +981,15 @@ int ata_pci_init_one (struct pci_dev *pdev, struct ata_port_info **port_info,
                 mask = (1 << 2) | (1 << 0);
                 if ((tmp8 & mask) != mask)
                         legacy_mode = (1 << 3);
+#if defined(CONFIG_NO_ATA_LEGACY)
+                /* Some platforms with PCI limits cannot address compat
+                   port space. In that case we punt if their firmware has
+                   left a device in compatibility mode */
+                if (legacy_mode) {
+                        printk(KERN_ERR "ata: Compatibility mode ATA is not supported on this platform, skipping.\n");
+                        return -EOPNOTSUPP;
+                }
+#endif
         }
 
         rc = pci_request_regions(pdev, DRV_NAME);
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index a5ecb71390a9..0ed263be652a 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -53,6 +53,7 @@ extern unsigned ata_exec_internal(struct ata_device *dev,
 extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd);
 extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
                            int post_reset, u16 *id);
+extern int ata_dev_revalidate(struct ata_device *dev, int post_reset);
 extern int ata_dev_configure(struct ata_device *dev, int print_info);
 extern int sata_down_spd_limit(struct ata_port *ap);
 extern int sata_set_spd_needed(struct ata_port *ap);
diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c
index 29234c897118..5c47a9e0e0ca 100644
--- a/drivers/ata/pata_amd.c
+++ b/drivers/ata/pata_amd.c
@@ -677,6 +677,8 @@ static const struct pci_device_id amd[] = {
         { PCI_VDEVICE(NVIDIA,   PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE), 8 },
         { PCI_VDEVICE(NVIDIA,   PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE), 8 },
         { PCI_VDEVICE(NVIDIA,   PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE), 8 },
+        { PCI_VDEVICE(NVIDIA,   PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE), 8 },
+        { PCI_VDEVICE(NVIDIA,   PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE), 8 },
         { PCI_VDEVICE(AMD,      PCI_DEVICE_ID_AMD_CS5536_IDE),          9 },
 
         { },
diff --git a/drivers/ata/pata_artop.c b/drivers/ata/pata_artop.c
index 690828eb5226..96a098020a8f 100644
--- a/drivers/ata/pata_artop.c
+++ b/drivers/ata/pata_artop.c
@@ -92,7 +92,7 @@ static int artop6260_pre_reset(struct ata_port *ap)
                 return -ENOENT;
 
         pci_read_config_byte(pdev, 0x49, &tmp);
-        if (tmp & (1 >> ap->port_no))
+        if (tmp & (1 << ap->port_no))
                 ap->cbl = ATA_CBL_PATA40;
         else
                 ap->cbl = ATA_CBL_PATA80;
diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c
index 7350443948c1..fce3fcdc7e79 100644
--- a/drivers/ata/pata_hpt37x.c
+++ b/drivers/ata/pata_hpt37x.c
@@ -25,7 +25,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME        "pata_hpt37x"
-#define DRV_VERSION     "0.5"
+#define DRV_VERSION     "0.5.1"
 
 struct hpt_clock {
         u8      xfer_speed;
@@ -453,7 +453,13 @@ static int hpt37x_pre_reset(struct ata_port *ap)
 {
         u8 scr2, ata66;
         struct pci_dev *pdev = to_pci_dev(ap->host->dev);
-
+        static const struct pci_bits hpt37x_enable_bits[] = {
+                { 0x50, 1, 0x04, 0x04 },
+                { 0x54, 1, 0x04, 0x04 }
+        };
+        if (!pci_test_config_bits(pdev, &hpt37x_enable_bits[ap->port_no]))
+                return -ENOENT;
+                
         pci_read_config_byte(pdev, 0x5B, &scr2);
         pci_write_config_byte(pdev, 0x5B, scr2 & ~0x01);
         /* Cable register now active */
@@ -488,10 +494,17 @@ static void hpt37x_error_handler(struct ata_port *ap)
 
 static int hpt374_pre_reset(struct ata_port *ap)
 {
+        static const struct pci_bits hpt37x_enable_bits[] = {
+                { 0x50, 1, 0x04, 0x04 },
+                { 0x54, 1, 0x04, 0x04 }
+        };
         u16 mcr3, mcr6;
         u8 ata66;
-
         struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+
+        if (!pci_test_config_bits(pdev, &hpt37x_enable_bits[ap->port_no]))
+                return -ENOENT;
+                
         /* Do the extra channel work */
         pci_read_config_word(pdev, 0x52, &mcr3);
         pci_read_config_word(pdev, 0x56, &mcr6);
diff --git a/drivers/ata/pata_qdi.c b/drivers/ata/pata_qdi.c
index 7977f471d5e9..2c3cc0ccc606 100644
--- a/drivers/ata/pata_qdi.c
+++ b/drivers/ata/pata_qdi.c
@@ -141,7 +141,7 @@ static void qdi_data_xfer(struct ata_device *adev, unsigned char *buf, unsigned
                                 memcpy(&pad, buf + buflen - slop, slop);
                                 outl(le32_to_cpu(pad), ap->ioaddr.data_addr);
                         } else {
-                                pad = cpu_to_le16(inl(ap->ioaddr.data_addr));
+                                pad = cpu_to_le32(inl(ap->ioaddr.data_addr));
                                 memcpy(buf + buflen - slop, &pad, slop);
                         }
                 }
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index 323b60710806..d65ebfd7c7b2 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -117,10 +117,14 @@ static const struct pci_device_id nv_pci_tbl[] = {
         { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA), GENERIC },
         { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA2), GENERIC },
         { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA3), GENERIC },
-        { PCI_VDEVICE(NVIDIA, 0x045c), GENERIC },
-        { PCI_VDEVICE(NVIDIA, 0x045d), GENERIC },
-        { PCI_VDEVICE(NVIDIA, 0x045e), GENERIC },
-        { PCI_VDEVICE(NVIDIA, 0x045f), GENERIC },
+        { PCI_VDEVICE(NVIDIA, 0x045c), GENERIC }, /* MCP65 */
+        { PCI_VDEVICE(NVIDIA, 0x045d), GENERIC }, /* MCP65 */
+        { PCI_VDEVICE(NVIDIA, 0x045e), GENERIC }, /* MCP65 */
+        { PCI_VDEVICE(NVIDIA, 0x045f), GENERIC }, /* MCP65 */
+        { PCI_VDEVICE(NVIDIA, 0x0550), GENERIC }, /* MCP67 */
+        { PCI_VDEVICE(NVIDIA, 0x0551), GENERIC }, /* MCP67 */
+        { PCI_VDEVICE(NVIDIA, 0x0552), GENERIC }, /* MCP67 */
+        { PCI_VDEVICE(NVIDIA, 0x0553), GENERIC }, /* MCP67 */
         { PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID,
                 PCI_ANY_ID, PCI_ANY_ID,
                 PCI_CLASS_STORAGE_IDE<<8, 0xffff00, GENERIC },
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index 8bcdfa64667c..72eda5160fad 100644
--- a/drivers/ata/sata_promise.c
+++ b/drivers/ata/sata_promise.c
@@ -260,6 +260,7 @@ static const struct pci_device_id pdc_ata_pci_tbl[] = {
 #if 0
         { PCI_VDEVICE(PROMISE, 0x3570), board_20771 },
 #endif
+        { PCI_VDEVICE(PROMISE, 0x3577), board_20771 },
 
         { }     /* terminate list */
 };
diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c
index 0738f52463a9..9d1235ba06b1 100644
--- a/drivers/ata/sata_sis.c
+++ b/drivers/ata/sata_sis.c
@@ -240,7 +240,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
         struct ata_probe_ent *probe_ent = NULL;
         int rc;
         u32 genctl;
-        struct ata_port_info *ppi[2];
+        struct ata_port_info pi = sis_port_info, *ppi[2] = { &pi, &pi };
         int pci_dev_busy = 0;
         u8 pmr;
         u8 port2_start;
@@ -265,27 +265,20 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
         if (rc)
                 goto err_out_regions;
 
-        ppi[0] = ppi[1] = &sis_port_info;
-        probe_ent = ata_pci_init_native_mode(pdev, ppi, ATA_PORT_PRIMARY | ATA_PORT_SECONDARY);
-        if (!probe_ent) {
-                rc = -ENOMEM;
-                goto err_out_regions;
-        }
-
         /* check and see if the SCRs are in IO space or PCI cfg space */
         pci_read_config_dword(pdev, SIS_GENCTL, &genctl);
         if ((genctl & GENCTL_IOMAPPED_SCR) == 0)
-                probe_ent->port_flags |= SIS_FLAG_CFGSCR;
+                pi.flags |= SIS_FLAG_CFGSCR;
 
         /* if hardware thinks SCRs are in IO space, but there are
          * no IO resources assigned, change to PCI cfg space.
          */
-        if ((!(probe_ent->port_flags & SIS_FLAG_CFGSCR)) &&
+        if ((!(pi.flags & SIS_FLAG_CFGSCR)) &&
             ((pci_resource_start(pdev, SIS_SCR_PCI_BAR) == 0) ||
              (pci_resource_len(pdev, SIS_SCR_PCI_BAR) < 128))) {
                 genctl &= ~GENCTL_IOMAPPED_SCR;
                 pci_write_config_dword(pdev, SIS_GENCTL, genctl);
-                probe_ent->port_flags |= SIS_FLAG_CFGSCR;
+                pi.flags |= SIS_FLAG_CFGSCR;
         }
 
         pci_read_config_byte(pdev, SIS_PMR, &pmr);
@@ -306,6 +299,12 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
                 port2_start = 0x20;
         }
 
+        probe_ent = ata_pci_init_native_mode(pdev, ppi, ATA_PORT_PRIMARY | ATA_PORT_SECONDARY);
+        if (!probe_ent) {
+                rc = -ENOMEM;
+                goto err_out_regions;
+        }
+
         if (!(probe_ent->port_flags & SIS_FLAG_CFGSCR)) {
                 probe_ent->port[0].scr_addr =
                         pci_resource_start(pdev, SIS_SCR_PCI_BAR);
diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index f4455a1efe2d..1c7f19aecc25 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -230,7 +230,7 @@ static int vt6420_prereset(struct ata_port *ap)
         int online;
 
         /* don't do any SCR stuff if we're not loading */
-        if (!ATA_PFLAG_LOADING)
+        if (!(ap->pflags & ATA_PFLAG_LOADING))
                 goto skip_scr;
 
         /* Resume phy.  This is the old resume sequence from