X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fieee1394%2Fsbp2.c;h=16b9d0ad154e6fb3a19bcc99da7565d4996a0748;hb=bb78be8397d3b0900af3d717672218ee3ea07985;hp=28e155a9e2a5a6bc8e424e2e1dc235f94fac2c26;hpb=8976b6fd7a0060f72e20d5cec833c03d50874cd1;p=linux-2.6

diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c
index 28e155a9e2..16b9d0ad15 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;