Merge remote-tracking branch 'origin' into spi/next

Pull in Linus' tree to pick up changes required for the langwell gpio fixes

17 files changed, 130 insertions, 56 deletions

diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index 2e9a87e8e7d..ef6de669424 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -165,7 +165,7 @@ scsi_mod-$(CONFIG_SCSI_NETLINK)	+= scsi_netlink.o
 scsi_mod-$(CONFIG_SYSCTL)	+= scsi_sysctl.o
 scsi_mod-$(CONFIG_SCSI_PROC_FS)	+= scsi_proc.o
 scsi_mod-y			+= scsi_trace.o
-scsi_mod-$(CONFIG_PM_OPS)	+= scsi_pm.o
+scsi_mod-$(CONFIG_PM)		+= scsi_pm.o
 
 scsi_tgt-y			+= scsi_tgt_lib.o scsi_tgt_if.o
 
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 79cefbe3136..638c72b7f94 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -4277,7 +4277,7 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev,
 
 	snprintf(phba->wq_name, sizeof(phba->wq_name), "beiscsi_q_irq%u",
 		 phba->shost->host_no);
-	phba->wq = create_workqueue(phba->wq_name);
+	phba->wq = alloc_workqueue(phba->wq_name, WQ_MEM_RECLAIM, 1);
 	if (!phba->wq) {
 		shost_printk(KERN_ERR, phba->shost, "beiscsi_dev_probe-"
 				"Failed to allocate work queue\n");
diff --git a/drivers/scsi/cxgbi/cxgb3i/Kconfig b/drivers/scsi/cxgbi/cxgb3i/Kconfig
index 5cf4e9831f1..11dff23f783 100644
--- a/drivers/scsi/cxgbi/cxgb3i/Kconfig
+++ b/drivers/scsi/cxgbi/cxgb3i/Kconfig
@@ -1,6 +1,8 @@
 config SCSI_CXGB3_ISCSI
 	tristate "Chelsio T3 iSCSI support"
-	depends on CHELSIO_T3_DEPENDS
+	depends on PCI && INET
+	select NETDEVICES
+	select NETDEV_10000
 	select CHELSIO_T3
 	select SCSI_ISCSI_ATTRS
 	---help---
diff --git a/drivers/scsi/cxgbi/cxgb4i/Kconfig b/drivers/scsi/cxgbi/cxgb4i/Kconfig
index bb94b39b17b..d5302c27f37 100644
--- a/drivers/scsi/cxgbi/cxgb4i/Kconfig
+++ b/drivers/scsi/cxgbi/cxgb4i/Kconfig
@@ -1,6 +1,8 @@
 config SCSI_CXGB4_ISCSI
 	tristate "Chelsio T4 iSCSI support"
-	depends on CHELSIO_T4_DEPENDS
+	depends on PCI && INET
+	select NETDEVICES
+	select NETDEV_10000
 	select CHELSIO_T4
 	select SCSI_ISCSI_ATTRS
 	---help---
diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c
index d2ad3d67672..a24dff9f916 100644
--- a/drivers/scsi/cxgbi/libcxgbi.c
+++ b/drivers/scsi/cxgbi/libcxgbi.c
@@ -451,26 +451,13 @@ static struct cxgbi_sock *cxgbi_sock_create(struct cxgbi_device *cdev)
 }
 
 static struct rtable *find_route_ipv4(__be32 saddr, __be32 daddr,
-					__be16 sport, __be16 dport, u8 tos)
+				      __be16 sport, __be16 dport, u8 tos)
 {
 	struct rtable *rt;
-	struct flowi fl = {
-		.oif = 0,
-		.nl_u = {
-			.ip4_u = {
-				.daddr = daddr,
-				.saddr = saddr,
-				.tos = tos }
-			},
-		.proto = IPPROTO_TCP,
-		.uli_u = {
-			.ports = {
-				.sport = sport,
-				.dport = dport }
-			}
-	};
 
-	if (ip_route_output_flow(&init_net, &rt, &fl, NULL, 0))
+	rt = ip_route_output_ports(&init_net, NULL, daddr, saddr,
+				   dport, sport, IPPROTO_TCP, tos, 0);
+	if (IS_ERR(rt))
 		return NULL;
 
 	return rt;
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 9f9600b6700..3becc6a20a4 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -285,9 +285,7 @@ static int fcoe_interface_setup(struct fcoe_interface *fcoe,
 	}
 
 	/* Do not support for bonding device */
-	if ((netdev->priv_flags & IFF_MASTER_ALB) ||
-	    (netdev->priv_flags & IFF_SLAVE_INACTIVE) ||
-	    (netdev->priv_flags & IFF_MASTER_8023AD)) {
+	if (netdev->priv_flags & IFF_BONDING && netdev->flags & IFF_MASTER) {
 		FCOE_NETDEV_DBG(netdev, "Bonded interfaces not supported\n");
 		return -EOPNOTSUPP;
 	}
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 9c5c8be7223..d841e98a8bd 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -6219,11 +6219,10 @@ static struct ata_port_operations ipr_sata_ops = {
 };
 
 static struct ata_port_info sata_port_info = {
-	.flags	= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_SATA_RESET |
-	ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA,
-	.pio_mask	= 0x10, /* pio4 */
-	.mwdma_mask = 0x07,
-	.udma_mask	= 0x7f, /* udma0-6 */
+	.flags		= ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
+	.pio_mask	= ATA_PIO4_ONLY,
+	.mwdma_mask	= ATA_MWDMA2,
+	.udma_mask	= ATA_UDMA6,
 	.port_ops	= &ipr_sata_ops
 };
 
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index e1a395b438e..4d3b704ede1 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -238,37 +238,43 @@ static bool sas_ata_qc_fill_rtf(struct ata_queued_cmd *qc)
 	return true;
 }
 
-static void sas_ata_phy_reset(struct ata_port *ap)
+static int sas_ata_hard_reset(struct ata_link *link, unsigned int *class,
+			       unsigned long deadline)
 {
+	struct ata_port *ap = link->ap;
 	struct domain_device *dev = ap->private_data;
 	struct sas_internal *i =
 		to_sas_internal(dev->port->ha->core.shost->transportt);
 	int res = TMF_RESP_FUNC_FAILED;
+	int ret = 0;
 
 	if (i->dft->lldd_I_T_nexus_reset)
 		res = i->dft->lldd_I_T_nexus_reset(dev);
 
-	if (res != TMF_RESP_FUNC_COMPLETE)
+	if (res != TMF_RESP_FUNC_COMPLETE) {
 		SAS_DPRINTK("%s: Unable to reset I T nexus?\n", __func__);
+		ret = -EAGAIN;
+	}
 
 	switch (dev->sata_dev.command_set) {
 		case ATA_COMMAND_SET:
 			SAS_DPRINTK("%s: Found ATA device.\n", __func__);
-			ap->link.device[0].class = ATA_DEV_ATA;
+			*class = ATA_DEV_ATA;
 			break;
 		case ATAPI_COMMAND_SET:
 			SAS_DPRINTK("%s: Found ATAPI device.\n", __func__);
-			ap->link.device[0].class = ATA_DEV_ATAPI;
+			*class = ATA_DEV_ATAPI;
 			break;
 		default:
 			SAS_DPRINTK("%s: Unknown SATA command set: %d.\n",
 				    __func__,
 				    dev->sata_dev.command_set);
-			ap->link.device[0].class = ATA_DEV_UNKNOWN;
+			*class = ATA_DEV_UNKNOWN;
 			break;
 	}
 
 	ap->cbl = ATA_CBL_SATA;
+	return ret;
 }
 
 static void sas_ata_post_internal(struct ata_queued_cmd *qc)
@@ -349,7 +355,11 @@ static int sas_ata_scr_read(struct ata_link *link, unsigned int sc_reg_in,
 }
 
 static struct ata_port_operations sas_sata_ops = {
-	.phy_reset		= sas_ata_phy_reset,
+	.prereset		= ata_std_prereset,
+	.softreset		= NULL,
+	.hardreset		= sas_ata_hard_reset,
+	.postreset		= ata_std_postreset,
+	.error_handler		= ata_std_error_handler,
 	.post_internal_cmd	= sas_ata_post_internal,
 	.qc_defer               = ata_std_qc_defer,
 	.qc_prep		= ata_noop_qc_prep,
@@ -362,10 +372,9 @@ static struct ata_port_operations sas_sata_ops = {
 };
 
 static struct ata_port_info sata_port_info = {
-	.flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_SATA_RESET |
-		ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA | ATA_FLAG_NCQ,
-	.pio_mask = 0x1f, /* PIO0-4 */
-	.mwdma_mask = 0x07, /* MWDMA0-2 */
+	.flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA | ATA_FLAG_NCQ,
+	.pio_mask = ATA_PIO4,
+	.mwdma_mask = ATA_MWDMA2,
 	.udma_mask = ATA_UDMA6,
 	.port_ops = &sas_sata_ops
 };
@@ -781,3 +790,68 @@ int sas_discover_sata(struct domain_device *dev)
 
 	return res;
 }
+
+void sas_ata_strategy_handler(struct Scsi_Host *shost)
+{
+	struct scsi_device *sdev;
+
+	shost_for_each_device(sdev, shost) {
+		struct domain_device *ddev = sdev_to_domain_dev(sdev);
+		struct ata_port *ap = ddev->sata_dev.ap;
+
+		if (!dev_is_sata(ddev))
+			continue;
+		
+		ata_port_printk(ap, KERN_DEBUG, "sas eh calling libata port error handler");
+		ata_scsi_port_error_handler(shost, ap);
+	}
+}
+
+int sas_ata_timed_out(struct scsi_cmnd *cmd, struct sas_task *task,
+		      enum blk_eh_timer_return *rtn)
+{
+	struct domain_device *ddev = cmd_to_domain_dev(cmd);
+
+	if (!dev_is_sata(ddev) || task)
+		return 0;
+
+	/* we're a sata device with no task, so this must be a libata
+	 * eh timeout.  Ideally should hook into libata timeout
+	 * handling, but there's no point, it just wants to activate
+	 * the eh thread */
+	*rtn = BLK_EH_NOT_HANDLED;
+	return 1;
+}
+
+int sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
+	       struct list_head *done_q)
+{
+	int rtn = 0;
+	struct scsi_cmnd *cmd, *n;
+	struct ata_port *ap;
+
+	do {
+		LIST_HEAD(sata_q);
+
+		ap = NULL;
+		
+		list_for_each_entry_safe(cmd, n, work_q, eh_entry) {
+			struct domain_device *ddev = cmd_to_domain_dev(cmd);
+
+			if (!dev_is_sata(ddev) || TO_SAS_TASK(cmd))
+				continue;
+			if(ap && ap != ddev->sata_dev.ap)
+				continue;
+			ap = ddev->sata_dev.ap;
+			rtn = 1;
+			list_move(&cmd->eh_entry, &sata_q);
+		}
+
+		if (!list_empty(&sata_q)) {
+			ata_port_printk(ap, KERN_DEBUG,"sas eh calling libata cmd error handler\n");
+			ata_scsi_cmd_error_handler(shost, ap, &sata_q);
+		}
+	} while (ap);
+
+	return rtn;
+}
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 9a7aaf5f131..67758ea8eb7 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -663,11 +663,16 @@ void sas_scsi_recover_host(struct Scsi_Host *shost)
 	 * scsi_unjam_host does, but we skip scsi_eh_abort_cmds because any
 	 * command we see here has no sas_task and is thus unknown to the HA.
 	 */
-	if (!scsi_eh_get_sense(&eh_work_q, &ha->eh_done_q))
-		scsi_eh_ready_devs(shost, &eh_work_q, &ha->eh_done_q);
+	if (!sas_ata_eh(shost, &eh_work_q, &ha->eh_done_q))
+		if (!scsi_eh_get_sense(&eh_work_q, &ha->eh_done_q))
+			scsi_eh_ready_devs(shost, &eh_work_q, &ha->eh_done_q);
 
 out:
+	/* now link into libata eh --- if we have any ata devices */
+	sas_ata_strategy_handler(shost);
+
 	scsi_eh_flush_done_q(&ha->eh_done_q);
+
 	SAS_DPRINTK("--- Exit %s\n", __func__);
 	return;
 }
@@ -676,6 +681,11 @@ enum blk_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *cmd)
 {
 	struct sas_task *task = TO_SAS_TASK(cmd);
 	unsigned long flags;
+	enum blk_eh_timer_return rtn; 
+
+	if (sas_ata_timed_out(cmd, task, &rtn))
+		return rtn;
+	
 
 	if (!task) {
 		cmd->request->timeout /= 2;
diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c
index 53fa96ae2b3..8fe3a45794f 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fp.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fp.c
@@ -39,7 +39,6 @@
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
-#include <linux/smp_lock.h>
 #include <linux/uio.h>
 #include <linux/uaccess.h>
 #include <linux/fs.h>
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index c1e09d5a619..d6e2a663b16 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -38,7 +38,6 @@
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
-#include <linux/smp_lock.h>
 #include <linux/uio.h>
 #include <linux/uaccess.h>
 #include <linux/fs.h>
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index f27724d76cf..e90f7c16b95 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -349,7 +349,7 @@ static int qla25xx_setup_mode(struct scsi_qla_host *vha)
 				"Can't create request queue\n");
 			goto fail;
 		}
-		ha->wq = create_workqueue("qla2xxx_wq");
+		ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
 		vha->req = ha->req_q_map[req];
 		options |= BIT_1;
 		for (ques = 1; ques < ha->max_rsp_queues; ques++) {
diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index 664c9572d0c..e2d45c91b8e 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -1292,15 +1292,19 @@ static struct scsi_host_template qpti_template = {
 	.use_clustering		= ENABLE_CLUSTERING,
 };
 
-static int __devinit qpti_sbus_probe(struct platform_device *op, const struct of_device_id *match)
+static int __devinit qpti_sbus_probe(struct platform_device *op)
 {
-	struct scsi_host_template *tpnt = match->data;
+	struct scsi_host_template *tpnt;
 	struct device_node *dp = op->dev.of_node;
 	struct Scsi_Host *host;
 	struct qlogicpti *qpti;
 	static int nqptis;
 	const char *fcode;
 
+	if (!op->dev.of_match)
+		return -EINVAL;
+	tpnt = op->dev.of_match->data;
+
 	/* Sometimes Antares cards come up not completely
 	 * setup, and we get a report of a zero IRQ.
 	 */
@@ -1457,7 +1461,7 @@ static const struct of_device_id qpti_match[] = {
 };
 MODULE_DEVICE_TABLE(of, qpti_match);
 
-static struct of_platform_driver qpti_sbus_driver = {
+static struct platform_driver qpti_sbus_driver = {
 	.driver = {
 		.name = "qpti",
 		.owner = THIS_MODULE,
@@ -1469,12 +1473,12 @@ static struct of_platform_driver qpti_sbus_driver = {
 
 static int __init qpti_init(void)
 {
-	return of_register_platform_driver(&qpti_sbus_driver);
+	return platform_driver_register(&qpti_sbus_driver);
 }
 
 static void __exit qpti_exit(void)
 {
-	of_unregister_platform_driver(&qpti_sbus_driver);
+	platform_driver_unregister(&qpti_sbus_driver);
 }
 
 MODULE_DESCRIPTION("QlogicISP SBUS driver");
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index b4056d14f81..342ee1a9c41 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -146,7 +146,7 @@ static inline void scsi_netlink_exit(void) {}
 #endif
 
 /* scsi_pm.c */
-#ifdef CONFIG_PM_OPS
+#ifdef CONFIG_PM
 extern const struct dev_pm_ops scsi_bus_pm_ops;
 #endif
 #ifdef CONFIG_PM_RUNTIME
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 490ce213204..e44ff64233f 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -383,7 +383,7 @@ struct bus_type scsi_bus_type = {
         .name		= "scsi",
         .match		= scsi_bus_match,
 	.uevent		= scsi_bus_uevent,
-#ifdef CONFIG_PM_OPS
+#ifdef CONFIG_PM
 	.pm		= &scsi_bus_pm_ops,
 #endif
 };
diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c
index c399be97992..f67282058ba 100644
--- a/drivers/scsi/scsi_tgt_lib.c
+++ b/drivers/scsi/scsi_tgt_lib.c
@@ -629,7 +629,7 @@ static int __init scsi_tgt_init(void)
 	if (!scsi_tgt_cmd_cache)
 		return -ENOMEM;
 
-	scsi_tgtd = create_workqueue("scsi_tgtd");
+	scsi_tgtd = alloc_workqueue("scsi_tgtd", 0, 1);
 	if (!scsi_tgtd) {
 		err = -ENOMEM;
 		goto free_kmemcache;
diff --git a/drivers/scsi/sun_esp.c b/drivers/scsi/sun_esp.c
index 193b37ba183..676fe9ac7f6 100644
--- a/drivers/scsi/sun_esp.c
+++ b/drivers/scsi/sun_esp.c
@@ -562,7 +562,7 @@ fail:
 	return err;
 }
 
-static int __devinit esp_sbus_probe(struct platform_device *op, const struct of_device_id *match)
+static int __devinit esp_sbus_probe(struct platform_device *op)
 {
 	struct device_node *dma_node = NULL;
 	struct device_node *dp = op->dev.of_node;
@@ -632,7 +632,7 @@ static const struct of_device_id esp_match[] = {
 };
 MODULE_DEVICE_TABLE(of, esp_match);
 
-static struct of_platform_driver esp_sbus_driver = {
+static struct platform_driver esp_sbus_driver = {
 	.driver = {
 		.name = "esp",
 		.owner = THIS_MODULE,
@@ -644,12 +644,12 @@ static struct of_platform_driver esp_sbus_driver = {
 
 static int __init sunesp_init(void)
 {
-	return of_register_platform_driver(&esp_sbus_driver);
+	return platform_driver_register(&esp_sbus_driver);
 }
 
 static void __exit sunesp_exit(void)
 {
-	of_unregister_platform_driver(&esp_sbus_driver);
+	platform_driver_unregister(&esp_sbus_driver);
 }
 
 MODULE_DESCRIPTION("Sun ESP SCSI driver");