Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

13 files changed, 127 insertions, 184 deletions

diff --git a/drivers/scsi/qla2xxx/Kconfig b/drivers/scsi/qla2xxx/Kconfig
index 5205c4e..5758b25 100644
--- a/drivers/scsi/qla2xxx/Kconfig
+++ b/drivers/scsi/qla2xxx/Kconfig
@@ -1,4 +1,4 @@
-config SCSI_QLA2XXX
+config SCSI_QLA_FC
 	tristate "QLogic QLA2XXX Fibre Channel Support"
 	depends on PCI && SCSI
 	select SCSI_FC_ATTRS
@@ -22,49 +22,57 @@ config SCSI_QLA2XXX
 	Upon request, the driver caches the firmware image until
 	the driver is unloaded.
 
+	Firmware images can be retrieved from:
+
+		ftp://ftp.qlogic.com/outgoing/linux/firmware/
+
 	NOTE: The original method of building firmware-loader
 	modules has been deprecated as the firmware-images will
 	be removed from the kernel sources.
 
 config SCSI_QLA2XXX_EMBEDDED_FIRMWARE
 	bool "  Use firmware-loader modules (DEPRECATED)"
-	depends on SCSI_QLA2XXX
+	depends on SCSI_QLA_FC
+	help
+	  This option offers you the deprecated firmware-loader
+	  modules that have been obsoleted by the usage of the
+	  Firmware Loader interface in the qla2xxx driver.
 
 config SCSI_QLA21XX
 	tristate "  Build QLogic ISP2100 firmware-module"
-	depends on SCSI_QLA2XXX_EMBEDDED_FIRMWARE
+	depends on SCSI_QLA_FC && SCSI_QLA2XXX_EMBEDDED_FIRMWARE
 	---help---
 	This driver supports the QLogic 21xx (ISP2100) host adapter family.
 
 config SCSI_QLA22XX
 	tristate "  Build QLogic ISP2200 firmware-module"
-	depends on SCSI_QLA2XXX_EMBEDDED_FIRMWARE
+	depends on SCSI_QLA_FC && SCSI_QLA2XXX_EMBEDDED_FIRMWARE
 	---help---
 	This driver supports the QLogic 22xx (ISP2200) host adapter family.
 
 config SCSI_QLA2300
 	tristate "  Build QLogic ISP2300 firmware-module"
-	depends on SCSI_QLA2XXX_EMBEDDED_FIRMWARE
+	depends on SCSI_QLA_FC && SCSI_QLA2XXX_EMBEDDED_FIRMWARE
 	---help---
 	This driver supports the QLogic 2300 (ISP2300 and ISP2312) host
 	adapter family.
 
 config SCSI_QLA2322
 	tristate "  Build QLogic ISP2322 firmware-module"
-	depends on SCSI_QLA2XXX_EMBEDDED_FIRMWARE
+	depends on SCSI_QLA_FC && SCSI_QLA2XXX_EMBEDDED_FIRMWARE
 	---help---
 	This driver supports the QLogic 2322 (ISP2322) host adapter family.
 
 config SCSI_QLA6312
 	tristate "  Build QLogic ISP63xx firmware-module"
-	depends on SCSI_QLA2XXX_EMBEDDED_FIRMWARE
+	depends on SCSI_QLA_FC && SCSI_QLA2XXX_EMBEDDED_FIRMWARE
 	---help---
 	This driver supports the QLogic 63xx (ISP6312 and ISP6322) host
 	adapter family.
 
 config SCSI_QLA24XX
 	tristate "  Build QLogic ISP24xx firmware-module"
-	depends on SCSI_QLA2XXX_EMBEDDED_FIRMWARE
+	depends on SCSI_QLA_FC && SCSI_QLA2XXX_EMBEDDED_FIRMWARE
 	---help---
 	This driver supports the QLogic 24xx (ISP2422 and ISP2432) host
 	adapter family.
diff --git a/drivers/scsi/qla2xxx/Makefile b/drivers/scsi/qla2xxx/Makefile
index 40c0de1..d028bc50 100644
--- a/drivers/scsi/qla2xxx/Makefile
+++ b/drivers/scsi/qla2xxx/Makefile
@@ -3,7 +3,7 @@ EXTRA_CFLAGS += -DUNIQUE_FW_NAME
 qla2xxx-y := qla_os.o qla_init.o qla_mbx.o qla_iocb.o qla_isr.o qla_gs.o \
 		qla_dbg.o qla_sup.o qla_rscn.o qla_attr.o
 
-obj-$(CONFIG_SCSI_QLA2XXX) += qla2xxx.o
+obj-$(CONFIG_SCSI_QLA_FC) += qla2xxx.o
 
 qla2100-y := ql2100.o ql2100_fw.o
 qla2200-y := ql2200.o ql2200_fw.o
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 2efca52..b17ee62 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -541,7 +541,7 @@ struct fc_function_template qla2xxx_transport_functions = {
 void
 qla2x00_init_host_attr(scsi_qla_host_t *ha)
 {
-	fc_host_node_name(ha->host) = wwn_to_u64(ha->init_cb->node_name);
-	fc_host_port_name(ha->host) = wwn_to_u64(ha->init_cb->port_name);
+	fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name);
+	fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name);
 	fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
 }
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 5c5d231..2d9b12f 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -1003,10 +1003,10 @@ qla24xx_fw_dump(scsi_qla_host_t *ha, int hardware_locked)
 	fw = (struct qla24xx_fw_dump *) ha->fw_dump24;
 
 	rval = QLA_SUCCESS;
-	fw->hccr = RD_REG_DWORD(&reg->hccr);
+	fw->host_status = RD_REG_DWORD(&reg->host_status);
 
 	/* Pause RISC. */
-	if ((fw->hccr & HCCRX_RISC_PAUSE) == 0) {
+	if ((RD_REG_DWORD(&reg->hccr) & HCCRX_RISC_PAUSE) == 0) {
 		WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET |
 		    HCCRX_CLR_HOST_INT);
 		RD_REG_DWORD(&reg->hccr);		/* PCI Posting. */
@@ -1021,16 +1021,54 @@ qla24xx_fw_dump(scsi_qla_host_t *ha, int hardware_locked)
 		}
 	}
 
-	/* Disable interrupts. */
-	WRT_REG_DWORD(&reg->ictrl, 0);
-	RD_REG_DWORD(&reg->ictrl);
-
 	if (rval == QLA_SUCCESS) {
 		/* Host interface registers. */
 		dmp_reg = (uint32_t __iomem *)(reg + 0);
 		for (cnt = 0; cnt < sizeof(fw->host_reg) / 4; cnt++)
 			fw->host_reg[cnt] = RD_REG_DWORD(dmp_reg++);
 
+		/* Disable interrupts. */
+		WRT_REG_DWORD(&reg->ictrl, 0);
+		RD_REG_DWORD(&reg->ictrl);
+
+		/* Shadow registers. */
+		WRT_REG_DWORD(&reg->iobase_addr, 0x0F70);
+		RD_REG_DWORD(&reg->iobase_addr);
+		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xF0);
+		WRT_REG_DWORD(dmp_reg, 0xB0000000);
+		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xFC);
+		fw->shadow_reg[0] = RD_REG_DWORD(dmp_reg);
+
+		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xF0);
+		WRT_REG_DWORD(dmp_reg, 0xB0100000);
+		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xFC);
+		fw->shadow_reg[1] = RD_REG_DWORD(dmp_reg);
+
+		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xF0);
+		WRT_REG_DWORD(dmp_reg, 0xB0200000);
+		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xFC);
+		fw->shadow_reg[2] = RD_REG_DWORD(dmp_reg);
+
+		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xF0);
+		WRT_REG_DWORD(dmp_reg, 0xB0300000);
+		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xFC);
+		fw->shadow_reg[3] = RD_REG_DWORD(dmp_reg);
+
+		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xF0);
+		WRT_REG_DWORD(dmp_reg, 0xB0400000);
+		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xFC);
+		fw->shadow_reg[4] = RD_REG_DWORD(dmp_reg);
+
+		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xF0);
+		WRT_REG_DWORD(dmp_reg, 0xB0500000);
+		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xFC);
+		fw->shadow_reg[5] = RD_REG_DWORD(dmp_reg);
+
+		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xF0);
+		WRT_REG_DWORD(dmp_reg, 0xB0600000);
+		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xFC);
+		fw->shadow_reg[6] = RD_REG_DWORD(dmp_reg);
+
 		/* Mailbox registers. */
 		mbx_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
 		for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++)
@@ -1308,43 +1346,6 @@ qla24xx_fw_dump(scsi_qla_host_t *ha, int hardware_locked)
 		for (cnt = 0; cnt < 16; cnt++)
 			*iter_reg++ = RD_REG_DWORD(dmp_reg++);
 
-		WRT_REG_DWORD(&reg->iobase_addr, 0x0F70);
-		RD_REG_DWORD(&reg->iobase_addr);
-		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xF0);
-		WRT_REG_DWORD(dmp_reg, 0xB0000000);
-		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xFC);
-		fw->shadow_reg[0] = RD_REG_DWORD(dmp_reg);
-
-		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xF0);
-		WRT_REG_DWORD(dmp_reg, 0xB0100000);
-		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xFC);
-		fw->shadow_reg[1] = RD_REG_DWORD(dmp_reg);
-
-		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xF0);
-		WRT_REG_DWORD(dmp_reg, 0xB0200000);
-		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xFC);
-		fw->shadow_reg[2] = RD_REG_DWORD(dmp_reg);
-
-		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xF0);
-		WRT_REG_DWORD(dmp_reg, 0xB0300000);
-		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xFC);
-		fw->shadow_reg[3] = RD_REG_DWORD(dmp_reg);
-
-		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xF0);
-		WRT_REG_DWORD(dmp_reg, 0xB0400000);
-		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xFC);
-		fw->shadow_reg[4] = RD_REG_DWORD(dmp_reg);
-
-		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xF0);
-		WRT_REG_DWORD(dmp_reg, 0xB0500000);
-		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xFC);
-		fw->shadow_reg[5] = RD_REG_DWORD(dmp_reg);
-
-		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xF0);
-		WRT_REG_DWORD(dmp_reg, 0xB0600000);
-		dmp_reg = (uint32_t __iomem *)((uint8_t __iomem *)reg + 0xFC);
-		fw->shadow_reg[6] = RD_REG_DWORD(dmp_reg);
-
 		/* Local memory controller registers. */
 		iter_reg = fw->lmc_reg;
 		WRT_REG_DWORD(&reg->iobase_addr, 0x3000);
@@ -1677,7 +1678,7 @@ qla24xx_ascii_fw_dump(scsi_qla_host_t *ha)
 	    ha->fw_major_version, ha->fw_minor_version,
 	    ha->fw_subminor_version, ha->fw_attributes);
 
-	qla_uprintf(&uiter, "\nHCCR Register\n%04x\n", fw->hccr);
+	qla_uprintf(&uiter, "\nR2H Status Register\n%04x\n", fw->host_status);
 
 	qla_uprintf(&uiter, "\nHost Interface Registers");
 	for (cnt = 0; cnt < sizeof(fw->host_reg) / 4; cnt++) {
@@ -1687,6 +1688,14 @@ qla24xx_ascii_fw_dump(scsi_qla_host_t *ha)
 		qla_uprintf(&uiter, "%08x ", fw->host_reg[cnt]);
 	}
 
+	qla_uprintf(&uiter, "\n\nShadow Registers");
+	for (cnt = 0; cnt < sizeof(fw->shadow_reg) / 4; cnt++) {
+		if (cnt % 8 == 0)
+			qla_uprintf(&uiter, "\n");
+
+		qla_uprintf(&uiter, "%08x ", fw->shadow_reg[cnt]);
+	}
+
 	qla_uprintf(&uiter, "\n\nMailbox Registers");
 	for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++) {
 		if (cnt % 8 == 0)
@@ -1855,14 +1864,6 @@ qla24xx_ascii_fw_dump(scsi_qla_host_t *ha)
 		qla_uprintf(&uiter, "%08x ", fw->risc_gp_reg[cnt]);
 	}
 
-	qla_uprintf(&uiter, "\n\nShadow Registers");
-	for (cnt = 0; cnt < sizeof(fw->shadow_reg) / 4; cnt++) {
-		if (cnt % 8 == 0)
-			qla_uprintf(&uiter, "\n");
-
-		qla_uprintf(&uiter, "%08x ", fw->shadow_reg[cnt]);
-	}
-
 	qla_uprintf(&uiter, "\n\nLMC Registers");
 	for (cnt = 0; cnt < sizeof(fw->lmc_reg) / 4; cnt++) {
 		if (cnt % 8 == 0)
diff --git a/drivers/scsi/qla2xxx/qla_dbg.h b/drivers/scsi/qla2xxx/qla_dbg.h
index 935a59a..ab6afea 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.h
+++ b/drivers/scsi/qla2xxx/qla_dbg.h
@@ -227,8 +227,9 @@ struct qla2100_fw_dump {
 #define FW_DUMP_SIZE_24XX	0x2B0000
 
 struct qla24xx_fw_dump {
-	uint32_t hccr;
+	uint32_t host_status;
 	uint32_t host_reg[32];
+	uint32_t shadow_reg[7];
 	uint16_t mailbox_reg[32];
 	uint32_t xseq_gp_reg[128];
 	uint32_t xseq_0_reg[16];
@@ -250,7 +251,6 @@ struct qla24xx_fw_dump {
 	uint32_t rcvt0_data_dma_reg[32];
 	uint32_t rcvt1_data_dma_reg[32];
 	uint32_t risc_gp_reg[128];
-	uint32_t shadow_reg[7];
 	uint32_t lmc_reg[112];
 	uint32_t fpm_hdw_reg[192];
 	uint32_t fb_hdw_reg[176];
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index bec81ad..32be4c1 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -62,6 +62,7 @@ extern int qlport_down_retry;
 extern int ql2xplogiabsentdevice;
 extern int ql2xloginretrycount;
 extern int ql2xfdmienable;
+extern int ql2xprocessrscn;
 
 extern void qla2x00_sp_compl(scsi_qla_host_t *, srb_t *);
 
@@ -96,10 +97,7 @@ int __qla2x00_marker(scsi_qla_host_t *, uint16_t, uint16_t, uint8_t);
  * Global Function Prototypes in qla_mbx.c source file.
  */
 extern int
-qla2x00_load_ram(scsi_qla_host_t *, dma_addr_t, uint16_t, uint16_t);
-
-extern int
-qla2x00_load_ram_ext(scsi_qla_host_t *, dma_addr_t, uint32_t, uint32_t);
+qla2x00_load_ram(scsi_qla_host_t *, dma_addr_t, uint32_t, uint32_t);
 
 extern int
 qla2x00_execute_fw(scsi_qla_host_t *, uint32_t);
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index cd6f7c3..d620a8e8 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -538,6 +538,7 @@ qla2x00_rff_id(scsi_qla_host_t *ha)
 	ct_req->req.rff_id.port_id[1] = ha->d_id.b.area;
 	ct_req->req.rff_id.port_id[2] = ha->d_id.b.al_pa;
 
+	ct_req->req.rff_id.fc4_feature = BIT_1;
 	ct_req->req.rff_id.fc4_type = 0x08;		/* SCSI - FCP */
 
 	/* Execute MS IOCB */
@@ -1529,9 +1530,9 @@ qla2x00_fdmi_rpa(scsi_qla_host_t *ha)
 	eiter->type = __constant_cpu_to_be16(FDMI_PORT_SUPPORT_SPEED);
 	eiter->len = __constant_cpu_to_be16(4 + 4);
 	if (IS_QLA25XX(ha))
-		eiter->a.sup_speed = __constant_cpu_to_be32(4);
-	else if (IS_QLA24XX(ha))
 		eiter->a.sup_speed = __constant_cpu_to_be32(8);
+	else if (IS_QLA24XX(ha))
+		eiter->a.sup_speed = __constant_cpu_to_be32(4);
 	else if (IS_QLA23XX(ha))
 		eiter->a.sup_speed = __constant_cpu_to_be32(2);
 	else
@@ -1553,9 +1554,6 @@ qla2x00_fdmi_rpa(scsi_qla_host_t *ha)
 		eiter->a.cur_speed = __constant_cpu_to_be32(2);
 		break;
 	case 3:
-		eiter->a.cur_speed = __constant_cpu_to_be32(8);
-		break;
-	case 4:
 		eiter->a.cur_speed = __constant_cpu_to_be32(4);
 		break;
 	}
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 7d973bd..a91fea6 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1014,11 +1014,13 @@ qla24xx_update_fw_options(scsi_qla_host_t *ha)
 	int rval;
 
 	/* Update Serial Link options. */
-	if ((ha->fw_seriallink_options24[0] & BIT_0) == 0)
+	if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
 		return;
 
-	rval = qla2x00_set_serdes_params(ha, ha->fw_seriallink_options24[1],
-	    ha->fw_seriallink_options24[2], ha->fw_seriallink_options24[3]);
+	rval = qla2x00_set_serdes_params(ha,
+	    le16_to_cpu(ha->fw_seriallink_options24[1]),
+	    le16_to_cpu(ha->fw_seriallink_options24[2]),
+	    le16_to_cpu(ha->fw_seriallink_options24[3]));
 	if (rval != QLA_SUCCESS) {
 		qla_printk(KERN_WARNING, ha,
 		    "Unable to update Serial Link options (%x).\n", rval);
@@ -1939,6 +1941,9 @@ qla2x00_configure_local_loop(scsi_qla_host_t *ha)
 			    "information -- get_port_database=%x, "
 			    "loop_id=0x%04x\n",
 			    ha->host_no, rval2, new_fcport->loop_id));
+			DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
+			    ha->host_no));
+			set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
 			continue;
 		}
 
@@ -2648,7 +2653,8 @@ qla2x00_device_resync(scsi_qla_host_t *ha)
 
 		switch (format) {
 		case 0:
-			if (!IS_QLA2100(ha) && !IS_QLA2200(ha) &&
+			if (ql2xprocessrscn &&
+			    !IS_QLA2100(ha) && !IS_QLA2200(ha) &&
 			    !IS_QLA6312(ha) && !IS_QLA6322(ha) &&
 			    !IS_QLA24XX(ha) && !IS_QLA25XX(ha) &&
 			    ha->flags.init_done) {
@@ -3402,6 +3408,8 @@ qla24xx_nvram_config(scsi_qla_host_t *ha)
 	ha->node_name = icb->node_name;
 	ha->port_name = icb->port_name;
 
+	icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
+
 	ha->retry_count = le16_to_cpu(nv->login_retry_count);
 
 	/* Set minimum login_timeout to 4 seconds. */
@@ -3667,8 +3675,8 @@ qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
 			for (i = 0; i < dlen; i++)
 				dcode[i] = swab32(dcode[i]);
 
-			rval = qla2x00_load_ram_ext(ha, ha->request_dma,
-			    risc_addr, dlen);
+			rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
+			    dlen);
 			if (rval) {
 				DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
 				    "segment %d of firmware\n", ha->host_no,
@@ -3868,8 +3876,8 @@ qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
 			for (i = 0; i < dlen; i++)
 				dcode[i] = swab32(fwcode[i]);
 
-			rval = qla2x00_load_ram_ext(ha, ha->request_dma,
-			    risc_addr, dlen);
+			rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
+			    dlen);
 			if (rval) {
 				DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
 				    "segment %d of firmware\n", ha->host_no,
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 5181d96..f63af08 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -519,7 +519,8 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 		 * us, create a new entry in our rscn fcports list and handle
 		 * the event like an RSCN.
 		 */
-		if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA6312(ha) &&
+		if (ql2xprocessrscn &&
+		    !IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA6312(ha) &&
 		    !IS_QLA6322(ha) && !IS_QLA24XX(ha) && !IS_QLA25XX(ha) &&
 		    ha->flags.init_done && mb[1] != 0xffff &&
 		    ((ha->operating_mode == P2P && mb[1] != 0) ||
@@ -963,15 +964,16 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
 		break;
 
 	case CS_DATA_UNDERRUN:
-		DEBUG2(printk(KERN_INFO
-		    "scsi(%ld:%d:%d) UNDERRUN status detected 0x%x-0x%x.\n",
-		    ha->host_no, cp->device->id, cp->device->lun, comp_status,
-		    scsi_status));
-
 		resid = resid_len;
 		if (scsi_status & SS_RESIDUAL_UNDER) {
 			cp->resid = resid;
 			CMD_RESID_LEN(cp) = resid;
+		} else {
+			DEBUG2(printk(KERN_INFO
+			    "scsi(%ld:%d:%d) UNDERRUN status detected "
+			    "0x%x-0x%x.\n", ha->host_no, cp->device->id,
+			    cp->device->lun, comp_status, scsi_status));
+
 		}
 
 		/*
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 9746cd1..3099b37 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -196,7 +196,9 @@ qla2x00_mailbox_command(scsi_qla_host_t *ha, mbx_cmd_t *mcp)
 			/* Check for pending interrupts. */
 			qla2x00_poll(ha);
 
-			udelay(10); /* v4.27 */
+			if (command != MBC_LOAD_RISC_RAM_EXTENDED &&
+			    !ha->flags.mbox_int)
+				msleep(10);
 		} /* while */
 	}
 
@@ -325,113 +327,30 @@ qla2x00_mailbox_command(scsi_qla_host_t *ha, mbx_cmd_t *mcp)
 	return rval;
 }
 
-/*
- * qla2x00_load_ram
- *	Load adapter RAM using DMA.
- *
- * Input:
- *	ha = adapter block pointer.
- *
- * Returns:
- *	qla2x00 local function return status code.
- *
- * Context:
- *	Kernel context.
- */
 int
-qla2x00_load_ram(scsi_qla_host_t *ha, dma_addr_t req_dma, uint16_t risc_addr,
-    uint16_t risc_code_size)
+qla2x00_load_ram(scsi_qla_host_t *ha, dma_addr_t req_dma, uint32_t risc_addr,
+    uint32_t risc_code_size)
 {
 	int rval;
 	mbx_cmd_t mc;
 	mbx_cmd_t *mcp = &mc;
-	uint32_t	req_len;
-	dma_addr_t	nml_dma;
-	uint32_t	nml_len;
-	uint32_t	normalized;
-
-	DEBUG11(printk("qla2x00_load_ram(%ld): entered.\n",
-	    ha->host_no);)
 
-	req_len = risc_code_size;
-	nml_dma = 0;
-	nml_len = 0;
-
-	normalized = qla2x00_normalize_dma_addr(&req_dma, &req_len, &nml_dma,
-	    &nml_len);
-
-	/* Load first segment */
-	mcp->mb[0] = MBC_LOAD_RISC_RAM;
-	mcp->mb[1] = risc_addr;
-	mcp->mb[2] = MSW(req_dma);
-	mcp->mb[3] = LSW(req_dma);
-	mcp->mb[4] = (uint16_t)req_len;
-	mcp->mb[6] = MSW(MSD(req_dma));
-	mcp->mb[7] = LSW(MSD(req_dma));
-	mcp->out_mb = MBX_7|MBX_6|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
-	mcp->in_mb = MBX_0;
-	mcp->tov = 30;
-	mcp->flags = 0;
-	rval = qla2x00_mailbox_command(ha, mcp);
-
-	/* Load second segment - if necessary */
-	if (normalized && (rval == QLA_SUCCESS)) {
-		mcp->mb[0] = MBC_LOAD_RISC_RAM;
-		mcp->mb[1] = risc_addr + (uint16_t)req_len;
-		mcp->mb[2] = MSW(nml_dma);
-		mcp->mb[3] = LSW(nml_dma);
-		mcp->mb[4] = (uint16_t)nml_len;
-		mcp->mb[6] = MSW(MSD(nml_dma));
-		mcp->mb[7] = LSW(MSD(nml_dma));
-		mcp->out_mb = MBX_7|MBX_6|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
-		mcp->in_mb = MBX_0;
-		mcp->tov = 30;
-		mcp->flags = 0;
-		rval = qla2x00_mailbox_command(ha, mcp);
-	}
+	DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no));
 
-	if (rval == QLA_SUCCESS) {
-		/* Empty */
-		DEBUG11(printk("qla2x00_load_ram(%ld): done.\n", ha->host_no);)
+	if (MSW(risc_addr) || IS_QLA24XX(ha) || IS_QLA25XX(ha)) {
+		mcp->mb[0] = MBC_LOAD_RISC_RAM_EXTENDED;
+		mcp->mb[8] = MSW(risc_addr);
+		mcp->out_mb = MBX_8|MBX_0;
 	} else {
-		/* Empty */
-		DEBUG2_3_11(printk("qla2x00_load_ram(%ld): failed. rval=%x "
-		    "mb[0]=%x.\n", ha->host_no, rval, mcp->mb[0]);)
+		mcp->mb[0] = MBC_LOAD_RISC_RAM;
+		mcp->out_mb = MBX_0;
 	}
-	return rval;
-}
-
-/*
- * qla2x00_load_ram_ext
- *	Load adapter extended RAM using DMA.
- *
- * Input:
- *	ha = adapter block pointer.
- *
- * Returns:
- *	qla2x00 local function return status code.
- *
- * Context:
- *	Kernel context.
- */
-int
-qla2x00_load_ram_ext(scsi_qla_host_t *ha, dma_addr_t req_dma,
-    uint32_t risc_addr, uint32_t risc_code_size)
-{
-	int rval;
-	mbx_cmd_t mc;
-	mbx_cmd_t *mcp = &mc;
-
-	DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no));
-
-	mcp->mb[0] = MBC_LOAD_RISC_RAM_EXTENDED;
 	mcp->mb[1] = LSW(risc_addr);
 	mcp->mb[2] = MSW(req_dma);
 	mcp->mb[3] = LSW(req_dma);
 	mcp->mb[6] = MSW(MSD(req_dma));
 	mcp->mb[7] = LSW(MSD(req_dma));
-	mcp->mb[8] = MSW(risc_addr);
-	mcp->out_mb = MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
+	mcp->out_mb |= MBX_7|MBX_6|MBX_3|MBX_2|MBX_1;
 	if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) {
 		mcp->mb[4] = MSW(risc_code_size);
 		mcp->mb[5] = LSW(risc_code_size);
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 2430430..4916847 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -71,6 +71,12 @@ MODULE_PARM_DESC(ql2xfdmienable,
 		"Enables FDMI registratons "
 		"Default is 0 - no FDMI. 1 - perfom FDMI.");
 
+int ql2xprocessrscn;
+module_param(ql2xprocessrscn, int, S_IRUGO|S_IRUSR);
+MODULE_PARM_DESC(ql2xprocessrscn,
+		"Option to enable port RSCN handling via a series of less"
+		"fabric intrusive ADISCs and PLOGIs.");
+
 /*
  * SCSI host template entry points
  */
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index d54d2a9..f4d755a 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -573,6 +573,9 @@ qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
 		}
 	} while (0);
 
+	/* Enable flash write-protection. */
+	qla24xx_write_flash_dword(ha, flash_conf_to_access_addr(0x101), 0x9c);
+
 	/* Disable flash write. */
 	WRT_REG_DWORD(&reg->ctrl_status,
 	    RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h
index f7937f7..d537192 100644
--- a/drivers/scsi/qla2xxx/qla_version.h
+++ b/drivers/scsi/qla2xxx/qla_version.h
@@ -7,9 +7,9 @@
 /*
  * Driver version
  */
-#define QLA2XXX_VERSION      "8.01.03-k"
+#define QLA2XXX_VERSION      "8.01.04-k"
 
 #define QLA_DRIVER_MAJOR_VER	8
 #define QLA_DRIVER_MINOR_VER	1
-#define QLA_DRIVER_PATCH_VER	3
+#define QLA_DRIVER_PATCH_VER	4
 #define QLA_DRIVER_BETA_VER	0