18 files changed, 23 insertions, 15 deletions

diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index 10c470e7d316..57ef7ae387d9 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -255,7 +255,7 @@ static struct ata_port_info ahci_port_info[] = {
         },
 };
 
-static struct pci_device_id ahci_pci_tbl[] = {
+static const struct pci_device_id ahci_pci_tbl[] = {
         { PCI_VENDOR_ID_INTEL, 0x2652, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
           board_ahci }, /* ICH6 */
         { PCI_VENDOR_ID_INTEL, 0x2653, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
diff --git a/drivers/scsi/ata_piix.c b/drivers/scsi/ata_piix.c
index a1bd8d95623c..855428ff37e9 100644
--- a/drivers/scsi/ata_piix.c
+++ b/drivers/scsi/ata_piix.c
@@ -95,7 +95,7 @@ static void piix_set_dmamode (struct ata_port *ap, struct ata_device *adev);
 
 static unsigned int in_module_init = 1;
 
-static struct pci_device_id piix_pci_tbl[] = {
+static const struct pci_device_id piix_pci_tbl[] = {
 #ifdef ATA_ENABLE_PATA
         { 0x8086, 0x7111, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix4_pata },
         { 0x8086, 0x24db, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_pata },
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index a74b4071a662..e51d9a8a2796 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -4563,6 +4563,7 @@ ata_pci_init_native_mode(struct pci_dev *pdev, struct ata_port_info **port, int
 
         probe_ent->irq = pdev->irq;
         probe_ent->irq_flags = SA_SHIRQ;
+        probe_ent->private_data = port[0]->private_data;
 
         if (ports & ATA_PORT_PRIMARY) {
                 probe_ent->port[p].cmd_addr = pci_resource_start(pdev, 0);
@@ -4599,6 +4600,7 @@ static struct ata_probe_ent *ata_pci_init_legacy_port(struct pci_dev *pdev, stru
         probe_ent->legacy_mode = 1;
         probe_ent->n_ports = 1;
         probe_ent->hard_port_no = port_num;
+        probe_ent->private_data = port->private_data;
 
         switch(port_num)
         {
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index bb30fcdc9297..7e37f488f591 100644
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -1129,6 +1129,8 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc, const u8 *scsicm
                  * length 0 means transfer 0 block of data.
                  * However, for ATA R/W commands, sector count 0 means
                  * 256 or 65536 sectors, not 0 sectors as in SCSI.
+                 *
+                 * WARNING: one or two older ATA drives treat 0 as 0...
                  */
                 goto nothing_to_do;
 
diff --git a/drivers/scsi/pdc_adma.c b/drivers/scsi/pdc_adma.c
index 78b4ff117af6..f557f17ca00c 100644
--- a/drivers/scsi/pdc_adma.c
+++ b/drivers/scsi/pdc_adma.c
@@ -190,7 +190,7 @@ static struct ata_port_info adma_port_info[] = {
         },
 };
 
-static struct pci_device_id adma_ata_pci_tbl[] = {
+static const struct pci_device_id adma_ata_pci_tbl[] = {
         { PCI_VENDOR_ID_PDC, 0x1841, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
           board_1841_idx },
 
diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c
index 93d55233af7b..257c128f4aaa 100644
--- a/drivers/scsi/sata_mv.c
+++ b/drivers/scsi/sata_mv.c
@@ -349,7 +349,7 @@ static struct ata_port_info mv_port_info[] = {
         },
 };
 
-static struct pci_device_id mv_pci_tbl[] = {
+static const struct pci_device_id mv_pci_tbl[] = {
         {PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x5040), 0, 0, chip_504x},
         {PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x5041), 0, 0, chip_504x},
         {PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x5080), 0, 0, chip_508x},
@@ -359,6 +359,8 @@ static struct pci_device_id mv_pci_tbl[] = {
         {PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x6041), 0, 0, chip_604x},
         {PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x6080), 0, 0, chip_608x},
         {PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x6081), 0, 0, chip_608x},
+
+        {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x0241), 0, 0, chip_604x},
         {}                      /* terminate list */
 };
 
diff --git a/drivers/scsi/sata_nv.c b/drivers/scsi/sata_nv.c
index 37a4fae95ed4..4954896dfdb9 100644
--- a/drivers/scsi/sata_nv.c
+++ b/drivers/scsi/sata_nv.c
@@ -137,7 +137,7 @@ enum nv_host_type
         CK804
 };
 
-static struct pci_device_id nv_pci_tbl[] = {
+static const struct pci_device_id nv_pci_tbl[] = {
         { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_SATA,
                 PCI_ANY_ID, PCI_ANY_ID, 0, 0, NFORCE2 },
         { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA,
diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c
index 9edc9d91efc3..242d906987ad 100644
--- a/drivers/scsi/sata_promise.c
+++ b/drivers/scsi/sata_promise.c
@@ -193,7 +193,7 @@ static struct ata_port_info pdc_port_info[] = {
         },
 };
 
-static struct pci_device_id pdc_ata_pci_tbl[] = {
+static const struct pci_device_id pdc_ata_pci_tbl[] = {
         { PCI_VENDOR_ID_PROMISE, 0x3371, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
           board_2037x },
         { PCI_VENDOR_ID_PROMISE, 0x3570, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
diff --git a/drivers/scsi/sata_qstor.c b/drivers/scsi/sata_qstor.c
index d274ab235781..b2f6324a2eb2 100644
--- a/drivers/scsi/sata_qstor.c
+++ b/drivers/scsi/sata_qstor.c
@@ -184,7 +184,7 @@ static struct ata_port_info qs_port_info[] = {
         },
 };
 
-static struct pci_device_id qs_ata_pci_tbl[] = {
+static const struct pci_device_id qs_ata_pci_tbl[] = {
         { PCI_VENDOR_ID_PDC, 0x2068, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
           board_2068_idx },
 
diff --git a/drivers/scsi/sata_sil.c b/drivers/scsi/sata_sil.c
index d0e3c3c6c25f..36091868560d 100644
--- a/drivers/scsi/sata_sil.c
+++ b/drivers/scsi/sata_sil.c
@@ -87,7 +87,7 @@ static void sil_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
 static void sil_post_set_mode (struct ata_port *ap);
 
 
-static struct pci_device_id sil_pci_tbl[] = {
+static const struct pci_device_id sil_pci_tbl[] = {
         { 0x1095, 0x3112, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112_m15w },
         { 0x1095, 0x0240, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112_m15w },
         { 0x1095, 0x3512, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112 },
diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index 4682a50650b4..d3198d9a72c1 100644
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -240,7 +240,7 @@ static void sil24_port_stop(struct ata_port *ap);
 static void sil24_host_stop(struct ata_host_set *host_set);
 static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
 
-static struct pci_device_id sil24_pci_tbl[] = {
+static const struct pci_device_id sil24_pci_tbl[] = {
         { 0x1095, 0x3124, PCI_ANY_ID, PCI_ANY_ID, 0, 0, BID_SIL3124 },
         { 0x1095, 0x3132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, BID_SIL3132 },
         { 0x1095, 0x3131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, BID_SIL3131 },
diff --git a/drivers/scsi/sata_sis.c b/drivers/scsi/sata_sis.c
index 42d7c4e92501..32e12620b162 100644
--- a/drivers/scsi/sata_sis.c
+++ b/drivers/scsi/sata_sis.c
@@ -67,7 +67,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
 static u32 sis_scr_read (struct ata_port *ap, unsigned int sc_reg);
 static void sis_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
 
-static struct pci_device_id sis_pci_tbl[] = {
+static const struct pci_device_id sis_pci_tbl[] = {
         { PCI_VENDOR_ID_SI, 0x180, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sis_180 },
         { PCI_VENDOR_ID_SI, 0x181, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sis_180 },
         { PCI_VENDOR_ID_SI, 0x182, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sis_180 },
diff --git a/drivers/scsi/sata_svw.c b/drivers/scsi/sata_svw.c
index 9895d1caefcf..57e5a9d964c3 100644
--- a/drivers/scsi/sata_svw.c
+++ b/drivers/scsi/sata_svw.c
@@ -466,7 +466,7 @@ err_out:
  * 0x24a is device ID for BCM5785 (aka HT1000) HT southbridge integrated SATA
  * controller
  * */
-static struct pci_device_id k2_sata_pci_tbl[] = {
+static const struct pci_device_id k2_sata_pci_tbl[] = {
         { 0x1166, 0x0240, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
         { 0x1166, 0x0241, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
         { 0x1166, 0x0242, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8 },
diff --git a/drivers/scsi/sata_sx4.c b/drivers/scsi/sata_sx4.c
index d5a38784352b..b4bbe48acab0 100644
--- a/drivers/scsi/sata_sx4.c
+++ b/drivers/scsi/sata_sx4.c
@@ -229,7 +229,7 @@ static struct ata_port_info pdc_port_info[] = {
 
 };
 
-static struct pci_device_id pdc_sata_pci_tbl[] = {
+static const struct pci_device_id pdc_sata_pci_tbl[] = {
         { PCI_VENDOR_ID_PROMISE, 0x6622, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
           board_20621 },
         { }     /* terminate list */
diff --git a/drivers/scsi/sata_uli.c b/drivers/scsi/sata_uli.c
index cf0baaa4e045..b2422a0f25c8 100644
--- a/drivers/scsi/sata_uli.c
+++ b/drivers/scsi/sata_uli.c
@@ -55,7 +55,7 @@ static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
 static u32 uli_scr_read (struct ata_port *ap, unsigned int sc_reg);
 static void uli_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
 
-static struct pci_device_id uli_pci_tbl[] = {
+static const struct pci_device_id uli_pci_tbl[] = {
         { PCI_VENDOR_ID_AL, 0x5289, PCI_ANY_ID, PCI_ANY_ID, 0, 0, uli_5289 },
         { PCI_VENDOR_ID_AL, 0x5287, PCI_ANY_ID, PCI_ANY_ID, 0, 0, uli_5287 },
         { PCI_VENDOR_ID_AL, 0x5281, PCI_ANY_ID, PCI_ANY_ID, 0, 0, uli_5281 },
diff --git a/drivers/scsi/sata_via.c b/drivers/scsi/sata_via.c
index ab19d2ba2a4b..c76215692da2 100644
--- a/drivers/scsi/sata_via.c
+++ b/drivers/scsi/sata_via.c
@@ -75,7 +75,7 @@ static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 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 struct pci_device_id svia_pci_tbl[] = {
+static const struct pci_device_id svia_pci_tbl[] = {
         { 0x1106, 0x3149, PCI_ANY_ID, PCI_ANY_ID, 0, 0, vt6420 },
         { 0x1106, 0x3249, PCI_ANY_ID, PCI_ANY_ID, 0, 0, vt6421 },
 
diff --git a/drivers/scsi/sata_vsc.c b/drivers/scsi/sata_vsc.c
index ce8a2fd7da84..77a6e4b9262d 100644
--- a/drivers/scsi/sata_vsc.c
+++ b/drivers/scsi/sata_vsc.c
@@ -400,7 +400,7 @@ err_out:
  * 0x8086/0x3200 is the Intel 31244, which is supposed to be identical
  * compatibility is untested as of yet
  */
-static struct pci_device_id vsc_sata_pci_tbl[] = {
+static const struct pci_device_id vsc_sata_pci_tbl[] = {
         { 0x1725, 0x7174, PCI_ANY_ID, PCI_ANY_ID, 0x10600, 0xFFFFFF, 0 },
         { 0x8086, 0x3200, PCI_ANY_ID, PCI_ANY_ID, 0x10600, 0xFFFFFF, 0 },
         { }
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 6f0752219f64..1464a7586de8 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -29,6 +29,7 @@
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/pci.h>
+#include <linux/dma-mapping.h>
 #include <asm/io.h>
 #include <linux/ata.h>
 #include <linux/workqueue.h>
@@ -404,6 +405,7 @@ struct ata_port_info {
         unsigned long           mwdma_mask;
         unsigned long           udma_mask;
         const struct ata_port_operations *port_ops;
+        void                    *private_data;
 };
 
 struct ata_timing {