diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/aic94xx/aic94xx_task.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/esp_scsi.c | 3 | ||||
| -rw-r--r-- | drivers/scsi/scsi_transport_spi.c | 28 |
3 files changed, 26 insertions, 9 deletions
diff --git a/drivers/scsi/aic94xx/aic94xx_task.c b/drivers/scsi/aic94xx/aic94xx_task.c index d5d8caba3560..ab13824df856 100644 --- a/drivers/scsi/aic94xx/aic94xx_task.c +++ b/drivers/scsi/aic94xx/aic94xx_task.c @@ -451,7 +451,7 @@ static int asd_build_smp_ascb(struct asd_ascb *ascb, struct sas_task *task, struct scb *scb; pci_map_sg(asd_ha->pcidev, &task->smp_task.smp_req, 1, - PCI_DMA_FROMDEVICE); + PCI_DMA_TODEVICE); pci_map_sg(asd_ha->pcidev, &task->smp_task.smp_resp, 1, PCI_DMA_FROMDEVICE); @@ -486,7 +486,7 @@ static void asd_unbuild_smp_ascb(struct asd_ascb *a) BUG_ON(!task); pci_unmap_sg(a->ha->pcidev, &task->smp_task.smp_req, 1, - PCI_DMA_FROMDEVICE); + PCI_DMA_TODEVICE); pci_unmap_sg(a->ha->pcidev, &task->smp_task.smp_resp, 1, PCI_DMA_FROMDEVICE); } diff --git a/drivers/scsi/esp_scsi.c b/drivers/scsi/esp_scsi.c index 77b06a983fa7..95cf7b6cd622 100644 --- a/drivers/scsi/esp_scsi.c +++ b/drivers/scsi/esp_scsi.c @@ -2314,6 +2314,7 @@ int __devinit scsi_esp_register(struct esp *esp, struct device *dev) esp->host->transportt = esp_transport_template; esp->host->max_lun = ESP_MAX_LUN; esp->host->cmd_per_lun = 2; + esp->host->unique_id = instance; esp_set_clock_params(esp); @@ -2337,7 +2338,7 @@ int __devinit scsi_esp_register(struct esp *esp, struct device *dev) if (err) return err; - esp->host->unique_id = instance++; + instance++; scsi_scan_host(esp->host); diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c index 6f56f8750635..4df21c92ff1e 100644 --- a/drivers/scsi/scsi_transport_spi.c +++ b/drivers/scsi/scsi_transport_spi.c @@ -787,10 +787,12 @@ spi_dv_device_internal(struct scsi_device *sdev, u8 *buffer) struct scsi_target *starget = sdev->sdev_target; struct Scsi_Host *shost = sdev->host; int len = sdev->inquiry_len; + int min_period = spi_min_period(starget); + int max_width = spi_max_width(starget); /* first set us up for narrow async */ DV_SET(offset, 0); DV_SET(width, 0); - + if (spi_dv_device_compare_inquiry(sdev, buffer, buffer, DV_LOOPS) != SPI_COMPARE_SUCCESS) { starget_printk(KERN_ERR, starget, "Domain Validation Initial Inquiry Failed\n"); @@ -798,9 +800,13 @@ spi_dv_device_internal(struct scsi_device *sdev, u8 *buffer) return; } + if (!scsi_device_wide(sdev)) { + spi_max_width(starget) = 0; + max_width = 0; + } + /* test width */ - if (i->f->set_width && spi_max_width(starget) && - scsi_device_wide(sdev)) { + if (i->f->set_width && max_width) { i->f->set_width(starget, 1); if (spi_dv_device_compare_inquiry(sdev, buffer, @@ -809,6 +815,11 @@ spi_dv_device_internal(struct scsi_device *sdev, u8 *buffer) != SPI_COMPARE_SUCCESS) { starget_printk(KERN_ERR, starget, "Wide Transfers Fail\n"); i->f->set_width(starget, 0); + /* Make sure we don't force wide back on by asking + * for a transfer period that requires it */ + max_width = 0; + if (min_period < 10) + min_period = 10; } } @@ -828,7 +839,8 @@ spi_dv_device_internal(struct scsi_device *sdev, u8 *buffer) /* now set up to the maximum */ DV_SET(offset, spi_max_offset(starget)); - DV_SET(period, spi_min_period(starget)); + DV_SET(period, min_period); + /* try QAS requests; this should be harmless to set if the * target supports it */ if (scsi_device_qas(sdev)) { @@ -837,14 +849,14 @@ spi_dv_device_internal(struct scsi_device *sdev, u8 *buffer) DV_SET(qas, 0); } - if (scsi_device_ius(sdev) && spi_min_period(starget) < 9) { + if (scsi_device_ius(sdev) && min_period < 9) { /* This u320 (or u640). Set IU transfers */ DV_SET(iu, 1); /* Then set the optional parameters */ DV_SET(rd_strm, 1); DV_SET(wr_flow, 1); DV_SET(rti, 1); - if (spi_min_period(starget) == 8) + if (min_period == 8) DV_SET(pcomp_en, 1); } else { DV_SET(iu, 0); @@ -862,6 +874,10 @@ spi_dv_device_internal(struct scsi_device *sdev, u8 *buffer) } else { DV_SET(dt, 1); } + /* set width last because it will pull all the other + * parameters down to required values */ + DV_SET(width, max_width); + /* Do the read only INQUIRY tests */ spi_dv_retrain(sdev, buffer, buffer + sdev->inquiry_len, spi_dv_device_compare_inquiry); |