summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/scsi/NCR5380.c14
-rw-r--r--drivers/scsi/NCR5380.h2
-rw-r--r--drivers/scsi/arm/cumana_1.c2
-rw-r--r--drivers/scsi/arm/oak.c2
-rw-r--r--drivers/scsi/dtc.c2
-rw-r--r--drivers/scsi/g_NCR5380.c8
-rw-r--r--drivers/scsi/pas16.c2
-rw-r--r--drivers/scsi/t128.c2
8 files changed, 14 insertions, 20 deletions
diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
index 826b63d1..69c73c3 100644
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -457,7 +457,7 @@ static void prepare_info(struct Scsi_Host *instance)
instance->base, instance->irq,
instance->can_queue, instance->cmd_per_lun,
instance->sg_tablesize, instance->this_id,
- hostdata->flags & FLAG_NO_DMA_FIXUP ? "NO_DMA_FIXUP " : "",
+ hostdata->flags & FLAG_DMA_FIXUP ? "DMA_FIXUP " : "",
hostdata->flags & FLAG_NO_PSEUDO_DMA ? "NO_PSEUDO_DMA " : "",
hostdata->flags & FLAG_TOSHIBA_DELAY ? "TOSHIBA_DELAY " : "",
#ifdef AUTOPROBE_IRQ
@@ -1480,11 +1480,11 @@ static int NCR5380_transfer_dma(struct Scsi_Host *instance,
* before the setting of DMA mode to after transfer of the last byte.
*/
- if (hostdata->flags & FLAG_NO_DMA_FIXUP)
+ if (hostdata->flags & FLAG_DMA_FIXUP)
+ NCR5380_write(MODE_REG, MR_BASE | MR_DMA_MODE | MR_MONITOR_BSY);
+ else
NCR5380_write(MODE_REG, MR_BASE | MR_DMA_MODE | MR_MONITOR_BSY |
MR_ENABLE_EOP_INTR);
- else
- NCR5380_write(MODE_REG, MR_BASE | MR_DMA_MODE | MR_MONITOR_BSY);
dprintk(NDEBUG_DMA, "scsi%d : mode reg = 0x%X\n", instance->host_no, NCR5380_read(MODE_REG));
@@ -1540,8 +1540,8 @@ static int NCR5380_transfer_dma(struct Scsi_Host *instance,
if (p & SR_IO) {
foo = NCR5380_pread(instance, d,
- hostdata->flags & FLAG_NO_DMA_FIXUP ? c : c - 1);
- if (!foo && !(hostdata->flags & FLAG_NO_DMA_FIXUP)) {
+ hostdata->flags & FLAG_DMA_FIXUP ? c - 1 : c);
+ if (!foo && (hostdata->flags & FLAG_DMA_FIXUP)) {
/*
* The workaround was to transfer fewer bytes than we
* intended to with the pseudo-DMA read function, wait for
@@ -1571,7 +1571,7 @@ static int NCR5380_transfer_dma(struct Scsi_Host *instance,
}
} else {
foo = NCR5380_pwrite(instance, d, c);
- if (!foo && !(hostdata->flags & FLAG_NO_DMA_FIXUP)) {
+ if (!foo && (hostdata->flags & FLAG_DMA_FIXUP)) {
/*
* Wait for the last byte to be sent. If REQ is being asserted for
* the byte we're interested, we'll ACK it and it will go false.
diff --git a/drivers/scsi/NCR5380.h b/drivers/scsi/NCR5380.h
index 0b03ba2..7b488a0 100644
--- a/drivers/scsi/NCR5380.h
+++ b/drivers/scsi/NCR5380.h
@@ -220,7 +220,7 @@
#define NO_IRQ 0
#endif
-#define FLAG_NO_DMA_FIXUP 1 /* No DMA errata workarounds */
+#define FLAG_DMA_FIXUP 1 /* Use DMA errata workarounds */
#define FLAG_NO_PSEUDO_DMA 8 /* Inhibit DMA */
#define FLAG_LATE_DMA_SETUP 32 /* Setup NCR before DMA H/W */
#define FLAG_TAGGED_QUEUING 64 /* as X3T9.2 spelled it */
diff --git a/drivers/scsi/arm/cumana_1.c b/drivers/scsi/arm/cumana_1.c
index 221f18c..76b2d33 100644
--- a/drivers/scsi/arm/cumana_1.c
+++ b/drivers/scsi/arm/cumana_1.c
@@ -239,7 +239,7 @@ static int cumanascsi1_probe(struct expansion_card *ec,
host->irq = ec->irq;
- ret = NCR5380_init(host, 0);
+ ret = NCR5380_init(host, FLAG_DMA_FIXUP);
if (ret)
goto out_unmap;
diff --git a/drivers/scsi/arm/oak.c b/drivers/scsi/arm/oak.c
index 1fab1d18..8d84265 100644
--- a/drivers/scsi/arm/oak.c
+++ b/drivers/scsi/arm/oak.c
@@ -143,7 +143,7 @@ static int oakscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
host->irq = NO_IRQ;
host->n_io_port = 255;
- ret = NCR5380_init(host, 0);
+ ret = NCR5380_init(host, FLAG_DMA_FIXUP);
if (ret)
goto out_unmap;
diff --git a/drivers/scsi/dtc.c b/drivers/scsi/dtc.c
index 6c736b0..30919f4 100644
--- a/drivers/scsi/dtc.c
+++ b/drivers/scsi/dtc.c
@@ -229,7 +229,7 @@ found:
instance->base = addr;
((struct NCR5380_hostdata *)(instance)->hostdata)->base = base;
- if (NCR5380_init(instance, FLAG_NO_DMA_FIXUP))
+ if (NCR5380_init(instance, 0))
goto out_unregister;
NCR5380_maybe_reset_bus(instance);
diff --git a/drivers/scsi/g_NCR5380.c b/drivers/scsi/g_NCR5380.c
index b8fc26d..aaeb6b6 100644
--- a/drivers/scsi/g_NCR5380.c
+++ b/drivers/scsi/g_NCR5380.c
@@ -348,23 +348,17 @@ static int __init generic_NCR5380_detect(struct scsi_host_template *tpnt)
flags = 0;
switch (overrides[current_override].board) {
case BOARD_NCR5380:
- flags = FLAG_NO_PSEUDO_DMA;
- break;
- case BOARD_NCR53C400:
- flags = FLAG_NO_DMA_FIXUP;
+ flags = FLAG_NO_PSEUDO_DMA | FLAG_DMA_FIXUP;
break;
case BOARD_NCR53C400A:
- flags = FLAG_NO_DMA_FIXUP;
ports = ncr_53c400a_ports;
magic = ncr_53c400a_magic;
break;
case BOARD_HP_C2502:
- flags = FLAG_NO_DMA_FIXUP;
ports = ncr_53c400a_ports;
magic = hp_c2502_magic;
break;
case BOARD_DTC3181E:
- flags = FLAG_NO_DMA_FIXUP;
ports = dtc_3181e_ports;
magic = ncr_53c400a_magic;
break;
diff --git a/drivers/scsi/pas16.c b/drivers/scsi/pas16.c
index 512037e..7589fea 100644
--- a/drivers/scsi/pas16.c
+++ b/drivers/scsi/pas16.c
@@ -377,7 +377,7 @@ static int __init pas16_detect(struct scsi_host_template *tpnt)
instance->io_port = io_port;
- if (NCR5380_init(instance, 0))
+ if (NCR5380_init(instance, FLAG_DMA_FIXUP))
goto out_unregister;
NCR5380_maybe_reset_bus(instance);
diff --git a/drivers/scsi/t128.c b/drivers/scsi/t128.c
index 4615fda..6cb8bdd 100644
--- a/drivers/scsi/t128.c
+++ b/drivers/scsi/t128.c
@@ -210,7 +210,7 @@ found:
instance->base = base;
((struct NCR5380_hostdata *)instance->hostdata)->base = p;
- if (NCR5380_init(instance, 0))
+ if (NCR5380_init(instance, FLAG_DMA_FIXUP))
goto out_unregister;
NCR5380_maybe_reset_bus(instance);
OpenPOWER on IntegriCloud