OK, try this ... I think it will correct for the Western Digital
problem.
James
diff --git a/drivers/scsi/aic7xxx/aic7xxx.h b/drivers/scsi/aic7xxx/aic7xxx.h
index 91d294c..5ba306c 100644
--- a/drivers/scsi/aic7xxx/aic7xxx.h
+++ b/drivers/scsi/aic7xxx/aic7xxx.h
@@ -233,6 +233,7 @@ typedef enum {
AHC_TARGETMODE = 0x20000, /* Has tested target mode support */
AHC_MULTIROLE = 0x40000, /* Space for two roles at a time */
AHC_REMOVABLE = 0x80000, /* Hot-Swap supported */
+ AHC_HVD = 0x100000, /* HVD rather than SE */
AHC_AIC7770_FE = AHC_FENONE,
/*
* The real 7850 does not support Ultra modes, but there are
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index 2c80167..cb4269f 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -2537,6 +2537,22 @@ static void ahc_linux_set_iu(struct scsi
}
#endif
+static void ahc_linux_get_signalling(struct Scsi_Host *shost)
+{
+ struct ahc_softc *ahc = *(struct ahc_softc **)shost->hostdata;
+ u8 mode = ahc_inb(ahc, SBLKCTL);
+
+ if (mode & ENAB40)
+ spi_signalling(shost) = SPI_SIGNAL_LVD;
+ else if (mode & ENAB20)
+ spi_signalling(shost) =
+ ahc->features & AHC_HVD ?
+ SPI_SIGNAL_HVD :
+ SPI_SIGNAL_SE;
+ else
+ spi_signalling(shost) = SPI_SIGNAL_UNKNOWN;
+}
+
static struct spi_function_template ahc_linux_transport_functions = {
.set_offset = ahc_linux_set_offset,
.show_offset = 1,
@@ -2552,6 +2568,7 @@ #if 0
.set_qas = ahc_linux_set_qas,
.show_qas = 1,
#endif
+ .get_signalling = ahc_linux_get_signalling,
};
diff --git a/drivers/scsi/aic7xxx/aic7xxx_pci.c b/drivers/scsi/aic7xxx/aic7xxx_pci.c
index 3adecef..aee106b 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_pci.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_pci.c
@@ -144,16 +144,22 @@ static ahc_device_setup_t ahc_aic785X_se
static ahc_device_setup_t ahc_aic7860_setup;
static ahc_device_setup_t ahc_apa1480_setup;
static ahc_device_setup_t ahc_aic7870_setup;
+static ahc_device_setup_t ahc_aic7870h_setup;
static ahc_device_setup_t ahc_aha394X_setup;
+static ahc_device_setup_t ahc_aha394Xh_setup;
static ahc_device_setup_t ahc_aha494X_setup;
+static ahc_device_setup_t ahc_aha494Xh_setup;
static ahc_device_setup_t ahc_aha398X_setup;
static ahc_device_setup_t ahc_aic7880_setup;
+static ahc_device_setup_t ahc_aic7880h_setup;
static ahc_device_setup_t ahc_aha2940Pro_setup;
static ahc_device_setup_t ahc_aha394XU_setup;
+static ahc_device_setup_t ahc_aha394XUh_setup;
static ahc_device_setup_t ahc_aha398XU_setup;
static ahc_device_setup_t ahc_aic7890_setup;
static ahc_device_setup_t ahc_aic7892_setup;
static ahc_device_setup_t ahc_aic7895_setup;
+static ahc_device_setup_t ahc_aic7895h_setup;
static ahc_device_setup_t ahc_aic7896_setup;
static ahc_device_setup_t ahc_aic7899_setup;
static ahc_device_setup_t ahc_aha29160C_setup;
@@ -225,19 +231,19 @@ struct ahc_pci_identity ahc_pci_ident_ta
ID_AHA_2944,
ID_ALL_MASK,
"Adaptec 2944 SCSI adapter",
- ahc_aic7870_setup
+ ahc_aic7870h_setup
},
{
ID_AHA_3944,
ID_ALL_MASK,
"Adaptec 3944 SCSI adapter",
- ahc_aha394X_setup
+ ahc_aha394Xh_setup
},
{
ID_AHA_4944,
ID_ALL_MASK,
"Adaptec 4944 SCSI adapter",
- ahc_aha494X_setup
+ ahc_aha494Xh_setup
},
/* aic7880 based controllers */
{
@@ -256,13 +262,13 @@ struct ahc_pci_identity ahc_pci_ident_ta
ID_AHA_2944U & ID_DEV_VENDOR_MASK,
ID_DEV_VENDOR_MASK,
"Adaptec 2944 Ultra SCSI adapter",
- ahc_aic7880_setup
+ ahc_aic7880h_setup
},
{
ID_AHA_3944U & ID_DEV_VENDOR_MASK,
ID_DEV_VENDOR_MASK,
"Adaptec 3944 Ultra SCSI adapter",
- ahc_aha394XU_setup
+ ahc_aha394XUh_setup
},
{
ID_AHA_398XU & ID_DEV_VENDOR_MASK,
@@ -278,7 +284,7 @@ struct ahc_pci_identity ahc_pci_ident_ta
ID_AHA_4944U & ID_DEV_VENDOR_MASK,
ID_DEV_VENDOR_MASK,
"Adaptec 4944 Ultra SCSI adapter",
- ahc_aic7880_setup
+ ahc_aic7880h_setup
},
{
ID_AHA_2930U & ID_DEV_VENDOR_MASK,
@@ -414,7 +420,7 @@ struct ahc_pci_identity ahc_pci_ident_ta
ID_AHA_3944AU,
ID_ALL_MASK,
"Adaptec 3944A Ultra SCSI adapter",
- ahc_aic7895_setup
+ ahc_aic7895h_setup
},
{
ID_AIC7895_ARO,
@@ -2121,6 +2127,16 @@ ahc_aic7870_setup(struct ahc_softc *ahc)
}
static int
+ahc_aic7870h_setup(struct ahc_softc *ahc)
+{
+ int error = ahc_aic7870_setup(ahc);
+
+ ahc->features |= AHC_HVD;
+
+ return error;
+}
+
+static int
ahc_aha394X_setup(struct ahc_softc *ahc)
{
int error;
@@ -2132,6 +2148,16 @@ ahc_aha394X_setup(struct ahc_softc *ahc)
}
static int
+ahc_aha394Xh_setup(struct ahc_softc *ahc)
+{
+ int error = ahc_aha394X_setup(ahc);
+
+ ahc->features |= AHC_HVD;
+
+ return error;
+}
+
+static int
ahc_aha398X_setup(struct ahc_softc *ahc)
{
int error;
@@ -2154,6 +2180,16 @@ ahc_aha494X_setup(struct ahc_softc *ahc)
}
static int
+ahc_aha494Xh_setup(struct ahc_softc *ahc)
+{
+ int error = ahc_aha494X_setup(ahc);
+
+ ahc->features |= AHC_HVD;
+
+ return error;
+}
+
+static int
ahc_aic7880_setup(struct ahc_softc *ahc)
{
ahc_dev_softc_t pci;
@@ -2175,6 +2211,17 @@ ahc_aic7880_setup(struct ahc_softc *ahc)
}
static int
+ahc_aic7880h_setup(struct ahc_softc *ahc)
+{
+ int error = ahc_aic7880_setup(ahc);
+
+ ahc->features |= AHC_HVD;
+
+ return error;
+}
+
+
+static int
ahc_aha2940Pro_setup(struct ahc_softc *ahc)
{
@@ -2194,6 +2241,16 @@ ahc_aha394XU_setup(struct ahc_softc *ahc
}
static int
+ahc_aha394XUh_setup(struct ahc_softc *ahc)
+{
+ int error = ahc_aha394XU_setup(ahc);
+
+ ahc->features |= AHC_HVD;
+
+ return error;
+}
+
+static int
ahc_aha398XU_setup(struct ahc_softc *ahc)
{
int error;
@@ -2292,6 +2349,16 @@ #endif
}
static int
+ahc_aic7895h_setup(struct ahc_softc *ahc)
+{
+ int error = ahc_aic7895_setup(ahc);
+
+ ahc->features |= AHC_HVD;
+
+ return error;
+}
+
+static int
ahc_aic7896_setup(struct ahc_softc *ahc)
{
ahc_dev_softc_t pci;
diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c
index 780aaed..e993b73 100644
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -785,6 +785,7 @@ spi_dv_device_internal(struct scsi_devic
{
struct spi_internal *i = to_spi_internal(sdev->host->transportt);
struct scsi_target *starget = sdev->sdev_target;
+ struct Scsi_Host *shost = sdev->host;
int len = sdev->inquiry_len;
/* first set us up for narrow async */
DV_SET(offset, 0);
@@ -844,6 +845,14 @@ spi_dv_device_internal(struct scsi_devic
if (spi_min_period(starget) == 8)
DV_SET(pcomp_en, 1);
}
+ /* now that we've done all this, actually check the bus
+ * signal type (if known). Some devices are stupid on
+ * a SE bus and still claim they can try LVD only settings */
+ if (i->f->get_signalling)
+ i->f->get_signalling(shost);
+ if (spi_signalling(shost) == SPI_SIGNAL_SE ||
+ spi_signalling(shost) == SPI_SIGNAL_HVD)
+ DV_SET(dt, 0);
/* Do the read only INQUIRY tests */
spi_dv_retrain(sdev, buffer, buffer + sdev->inquiry_len,
spi_dv_device_compare_inquiry);
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