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Diffstat (limited to 'drivers/ieee1394/sbp2.c')
-rw-r--r--drivers/ieee1394/sbp2.c31
1 files changed, 24 insertions, 7 deletions
diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c
index 28e155a9e2a..16b9d0ad154 100644
--- a/drivers/ieee1394/sbp2.c
+++ b/drivers/ieee1394/sbp2.c
@@ -183,6 +183,9 @@ MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device "
* Avoids access beyond actual disk limits on devices with an off-by-one bug.
* Don't use this with devices which don't have this bug.
*
+ * - delay inquiry
+ * Wait extra SBP2_INQUIRY_DELAY seconds after login before SCSI inquiry.
+ *
* - override internal blacklist
* Instead of adding to the built-in blacklist, use only the workarounds
* specified in the module load parameter.
@@ -195,6 +198,7 @@ MODULE_PARM_DESC(workarounds, "Work around device bugs (default = 0"
", 36 byte inquiry = " __stringify(SBP2_WORKAROUND_INQUIRY_36)
", skip mode page 8 = " __stringify(SBP2_WORKAROUND_MODE_SENSE_8)
", fix capacity = " __stringify(SBP2_WORKAROUND_FIX_CAPACITY)
+ ", delay inquiry = " __stringify(SBP2_WORKAROUND_DELAY_INQUIRY)
", override internal blacklist = " __stringify(SBP2_WORKAROUND_OVERRIDE)
", or a combination)");
@@ -357,6 +361,11 @@ static const struct {
.workarounds = SBP2_WORKAROUND_INQUIRY_36 |
SBP2_WORKAROUND_MODE_SENSE_8,
},
+ /* DViCO Momobay FX-3A with TSB42AA9A bridge */ {
+ .firmware_revision = 0x002800,
+ .model_id = 0x000000,
+ .workarounds = SBP2_WORKAROUND_DELAY_INQUIRY,
+ },
/* Initio bridges, actually only needed for some older ones */ {
.firmware_revision = 0x000200,
.model_id = SBP2_ROM_VALUE_WILDCARD,
@@ -367,6 +376,11 @@ static const struct {
.model_id = SBP2_ROM_VALUE_WILDCARD,
.workarounds = SBP2_WORKAROUND_128K_MAX_TRANS,
},
+ /* Datafab MD2-FW2 with Symbios/LSILogic SYM13FW500 bridge */ {
+ .firmware_revision = 0x002600,
+ .model_id = SBP2_ROM_VALUE_WILDCARD,
+ .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS,
+ },
/* iPod 4th generation */ {
.firmware_revision = 0x0a2700,
.model_id = 0x000021,
@@ -601,7 +615,7 @@ static struct sbp2_command_info *sbp2util_allocate_command_orb(
cmd->Current_SCpnt = Current_SCpnt;
list_add_tail(&cmd->list, &lu->cmd_orb_inuse);
} else
- SBP2_ERR("%s: no orbs available", __FUNCTION__);
+ SBP2_ERR("%s: no orbs available", __func__);
spin_unlock_irqrestore(&lu->cmd_orb_lock, flags);
return cmd;
}
@@ -914,6 +928,9 @@ static int sbp2_start_device(struct sbp2_lu *lu)
sbp2_agent_reset(lu, 1);
sbp2_max_speed_and_size(lu);
+ if (lu->workarounds & SBP2_WORKAROUND_DELAY_INQUIRY)
+ ssleep(SBP2_INQUIRY_DELAY);
+
error = scsi_add_device(lu->shost, 0, lu->ud->id, 0);
if (error) {
SBP2_ERR("scsi_add_device failed");
@@ -1277,7 +1294,7 @@ static int sbp2_set_busy_timeout(struct sbp2_lu *lu)
data = cpu_to_be32(SBP2_BUSY_TIMEOUT_VALUE);
if (hpsb_node_write(lu->ne, SBP2_BUSY_TIMEOUT_ADDRESS, &data, 4))
- SBP2_ERR("%s error", __FUNCTION__);
+ SBP2_ERR("%s error", __func__);
return 0;
}
@@ -1962,14 +1979,14 @@ static int sbp2scsi_slave_alloc(struct scsi_device *sdev)
{
struct sbp2_lu *lu = (struct sbp2_lu *)sdev->host->hostdata[0];
+ if (sdev->lun != 0 || sdev->id != lu->ud->id || sdev->channel != 0)
+ return -ENODEV;
+
lu->sdev = sdev;
sdev->allow_restart = 1;
- /*
- * Update the dma alignment (minimum alignment requirements for
- * start and end of DMA transfers) to be a sector
- */
- blk_queue_update_dma_alignment(sdev->request_queue, 511);
+ /* SBP-2 requires quadlet alignment of the data buffers. */
+ blk_queue_update_dma_alignment(sdev->request_queue, 4 - 1);
if (lu->workarounds & SBP2_WORKAROUND_INQUIRY_36)
sdev->inquiry_len = 36;