diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c
index 544efd4c42f0220dac9800ddf1517e899556203f..b8cd75a872eeb8f886af2793d1a209927b597819 100644
--- a/drivers/s390/scsi/zfcp_sysfs.c
+++ b/drivers/s390/scsi/zfcp_sysfs.c
@@ -487,6 +487,7 @@ static ssize_t zfcp_sysfs_port_fc_security_show(struct device *dev,
 	if (0 == (status & ZFCP_STATUS_COMMON_OPEN) ||
 	    0 == (status & ZFCP_STATUS_COMMON_UNBLOCKED) ||
 	    0 == (status & ZFCP_STATUS_PORT_PHYS_OPEN) ||
+	    0 != (status & ZFCP_STATUS_PORT_LINK_TEST) ||
 	    0 != (status & ZFCP_STATUS_COMMON_ERP_FAILED) ||
 	    0 != (status & ZFCP_STATUS_COMMON_ACCESS_BOXED))
 		i = sprintf(buf, "unknown\n");
diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c
index 30ed3d23635ad627e8677361379bb360c371831d..6baa9b36367d62c30413bcb39f1e7f90175266a0 100644
--- a/drivers/scsi/arm/fas216.c
+++ b/drivers/scsi/arm/fas216.c
@@ -2010,7 +2010,7 @@ static void fas216_rq_sns_done(FAS216_Info *info, struct scsi_cmnd *SCpnt,
 		   "request sense complete, result=0x%04x%02x%02x",
 		   result, SCpnt->SCp.Message, SCpnt->SCp.Status);
 
-	if (result != DID_OK || SCpnt->SCp.Status != GOOD)
+	if (result != DID_OK || SCpnt->SCp.Status != SAM_STAT_GOOD)
 		/*
 		 * Something went wrong.  Make sure that we don't
 		 * have valid data in the sense buffer that could
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 929a3b043ad7a0f1fc2d88da20cfce6604f75a54..3f6f14f0cafb3e50e94ff0a5f9e38f6842dffd86 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -488,6 +488,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
 		shost_printk(KERN_WARNING, shost,
 			"error handler thread failed to spawn, error = %ld\n",
 			PTR_ERR(shost->ehandler));
+		shost->ehandler = NULL;
 		goto fail;
 	}
 
diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c
index 9eceafca59bc9726c810148360fbe00701830107..2dba2b0af1667478929d212d7d94a871c5707d84 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_fw.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c
@@ -2607,14 +2607,13 @@ static int mpi3mr_issue_iocinit(struct mpi3mr_ioc *mrioc)
 		goto out;
 	}
 	drv_info->information_length = cpu_to_le32(data_len);
-	strncpy(drv_info->driver_signature, "Broadcom", sizeof(drv_info->driver_signature));
-	strncpy(drv_info->os_name, utsname()->sysname, sizeof(drv_info->os_name));
-	drv_info->os_name[sizeof(drv_info->os_name) - 1] = 0;
-	strncpy(drv_info->os_version, utsname()->release, sizeof(drv_info->os_version));
-	drv_info->os_version[sizeof(drv_info->os_version) - 1] = 0;
-	strncpy(drv_info->driver_name, MPI3MR_DRIVER_NAME, sizeof(drv_info->driver_name));
-	strncpy(drv_info->driver_version, MPI3MR_DRIVER_VERSION, sizeof(drv_info->driver_version));
-	strncpy(drv_info->driver_release_date, MPI3MR_DRIVER_RELDATE, sizeof(drv_info->driver_release_date));
+	strscpy(drv_info->driver_signature, "Broadcom", sizeof(drv_info->driver_signature));
+	strscpy(drv_info->os_name, utsname()->sysname, sizeof(drv_info->os_name));
+	strscpy(drv_info->os_version, utsname()->release, sizeof(drv_info->os_version));
+	strscpy(drv_info->driver_name, MPI3MR_DRIVER_NAME, sizeof(drv_info->driver_name));
+	strscpy(drv_info->driver_version, MPI3MR_DRIVER_VERSION, sizeof(drv_info->driver_version));
+	strscpy(drv_info->driver_release_date, MPI3MR_DRIVER_RELDATE,
+	    sizeof(drv_info->driver_release_date));
 	drv_info->driver_capabilities = 0;
 	memcpy((u8 *)&mrioc->driver_info, (u8 *)drv_info,
 	    sizeof(mrioc->driver_info));
diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
index 0b8802beb7ce88f36a399ee38dd3cc3ad669d9bc..ec05c42e8ee6c3f6912d56e41cbbde64a6cc5c29 100644
--- a/drivers/scsi/pm8001/pm8001_ctl.c
+++ b/drivers/scsi/pm8001/pm8001_ctl.c
@@ -77,7 +77,7 @@ DEVICE_ATTR(interface_rev, S_IRUGO, pm8001_ctl_mpi_interface_rev_show, NULL);
  * @attr: device attribute (unused)
  * @buf: the buffer returned
  *
- * A sysfs 'read only' shost attribute.
+ * A sysfs 'read-only' shost attribute.
  */
 static ssize_t controller_fatal_error_show(struct device *cdev,
 		struct device_attribute *attr, char *buf)
@@ -149,7 +149,7 @@ static ssize_t pm8001_ctl_ila_version_show(struct device *cdev,
 static DEVICE_ATTR(ila_version, 0444, pm8001_ctl_ila_version_show, NULL);
 
 /**
- * pm8001_ctl_inactive_fw_version_show - Inacative firmware version number
+ * pm8001_ctl_inactive_fw_version_show - Inactive firmware version number
  * @cdev: pointer to embedded class device
  * @attr: device attribute (unused)
  * @buf: the buffer returned
@@ -396,6 +396,7 @@ static DEVICE_ATTR(aap_log, S_IRUGO, pm8001_ctl_aap_log_show, NULL);
  * @cdev:pointer to embedded class device
  * @attr: device attribute (unused)
  * @buf: the buffer returned
+ *
  * A sysfs 'read-only' shost attribute.
  */
 static ssize_t pm8001_ctl_ib_queue_log_show(struct device *cdev,
@@ -430,6 +431,7 @@ static DEVICE_ATTR(ib_log, S_IRUGO, pm8001_ctl_ib_queue_log_show, NULL);
  * @cdev:pointer to embedded class device
  * @attr: device attribute (unused)
  * @buf: the buffer returned
+ *
  * A sysfs 'read-only' shost attribute.
  */
 
@@ -464,6 +466,7 @@ static DEVICE_ATTR(ob_log, S_IRUGO, pm8001_ctl_ob_queue_log_show, NULL);
  * @cdev:pointer to embedded class device
  * @attr: device attribute (unused)
  * @buf:the buffer returned
+ *
  * A sysfs 'read-only' shost attribute.
  */
 static ssize_t pm8001_ctl_bios_version_show(struct device *cdev,
@@ -555,13 +558,13 @@ static ssize_t pm8001_ctl_iop_log_show(struct device *cdev,
 static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL);
 
 /**
- ** pm8001_ctl_fatal_log_show - fatal error logging
- ** @cdev:pointer to embedded class device
- ** @attr: device attribute
- ** @buf: the buffer returned
- **
- ** A sysfs 'read-only' shost attribute.
- **/
+ * pm8001_ctl_fatal_log_show - fatal error logging
+ * @cdev:pointer to embedded class device
+ * @attr: device attribute
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
 
 static ssize_t pm8001_ctl_fatal_log_show(struct device *cdev,
 	struct device_attribute *attr, char *buf)
@@ -575,13 +578,13 @@ static ssize_t pm8001_ctl_fatal_log_show(struct device *cdev,
 static DEVICE_ATTR(fatal_log, S_IRUGO, pm8001_ctl_fatal_log_show, NULL);
 
 /**
- ** non_fatal_log_show - non fatal error logging
- ** @cdev:pointer to embedded class device
- ** @attr: device attribute
- ** @buf: the buffer returned
- **
- ** A sysfs 'read-only' shost attribute.
- **/
+ * non_fatal_log_show - non fatal error logging
+ * @cdev:pointer to embedded class device
+ * @attr: device attribute
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
 static ssize_t non_fatal_log_show(struct device *cdev,
 	struct device_attribute *attr, char *buf)
 {
@@ -620,12 +623,13 @@ static ssize_t non_fatal_count_store(struct device *cdev,
 static DEVICE_ATTR_RW(non_fatal_count);
 
 /**
- ** pm8001_ctl_gsm_log_show - gsm dump collection
- ** @cdev:pointer to embedded class device
- ** @attr: device attribute (unused)
- ** @buf: the buffer returned
- ** A sysfs 'read-only' shost attribute.
- **/
+ * pm8001_ctl_gsm_log_show - gsm dump collection
+ * @cdev:pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
 static ssize_t pm8001_ctl_gsm_log_show(struct device *cdev,
 	struct device_attribute *attr, char *buf)
 {
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index 33f8217577b14c6861edd418fbf9e5ea50f4efb3..17c0f26e683a9c95178ee5e665f7e7b3d44af0e2 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -384,7 +384,7 @@ static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
 
 /**
  * pm8001_bar4_shift - function is called to shift BAR base address
- * @pm8001_ha : our hba card infomation
+ * @pm8001_ha : our hba card information
  * @shiftValue : shifting value in memory bar.
  */
 int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue)
@@ -1151,7 +1151,7 @@ static void pm8001_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
 }
 
 /**
- * pm8001_chip_iounmap - which maped when initialized.
+ * pm8001_chip_iounmap - which mapped when initialized.
  * @pm8001_ha: our hba card information
  */
 void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha)
@@ -1187,10 +1187,10 @@ pm8001_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
 	pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
 }
 
- /**
-  * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
-  * @pm8001_ha: our hba card information
-  */
+/**
+ * pm8001_chip_intx_interrupt_disable - disable PM8001 chip interrupt
+ * @pm8001_ha: our hba card information
+ */
 static void
 pm8001_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
 {
@@ -1876,8 +1876,8 @@ static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha,
  * @piomb: the message contents of this outbound message.
  *
  * When FW has completed a ssp request for example a IO request, after it has
- * filled the SG data with the data, it will trigger this event represent
- * that he has finished the job,please check the coresponding buffer.
+ * filled the SG data with the data, it will trigger this event representing
+ * that he has finished the job; please check the corresponding buffer.
  * So we will tell the caller who maybe waiting the result to tell upper layer
  * that the task has been finished.
  */
@@ -3522,7 +3522,7 @@ hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
  *
  * when sas layer find a device it will notify LLDD, then the driver register
  * the domain device to FW, this event is the return device ID which the FW
- * has assigned, from now,inter-communication with FW is no longer using the
+ * has assigned, from now, inter-communication with FW is no longer using the
  * SAS address, use device ID which FW assigned.
  */
 int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index 313248c7bab99d27bf79418b2b01ba5af247844b..47db7e0beae6f6043f7bc4d7e703eb0f1bcbab37 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -233,7 +233,7 @@ static irqreturn_t pm8001_interrupt_handler_msix(int irq, void *opaque)
 /**
  * pm8001_interrupt_handler_intx - main INTx interrupt handler.
  * @irq: interrupt number
- * @dev_id: sas_ha structure. The HBA is retrieved from sas_has structure.
+ * @dev_id: sas_ha structure. The HBA is retrieved from sas_ha structure.
  */
 
 static irqreturn_t pm8001_interrupt_handler_intx(int irq, void *dev_id)
@@ -439,9 +439,9 @@ static int pm8001_alloc(struct pm8001_hba_info *pm8001_ha,
 }
 
 /**
- * pm8001_ioremap - remap the pci high physical address to kernal virtual
+ * pm8001_ioremap - remap the pci high physical address to kernel virtual
  * address so that we can access them.
- * @pm8001_ha:our hba structure.
+ * @pm8001_ha: our hba structure.
  */
 static int pm8001_ioremap(struct pm8001_hba_info *pm8001_ha)
 {
@@ -652,7 +652,7 @@ static void  pm8001_post_sas_ha_init(struct Scsi_Host *shost,
  * pm8001_init_sas_add - initialize sas address
  * @pm8001_ha: our ha struct.
  *
- * Currently we just set the fixed SAS address to our HBA,for manufacture,
+ * Currently we just set the fixed SAS address to our HBA, for manufacture,
  * it should read from the EEPROM
  */
 static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha)
@@ -790,7 +790,7 @@ struct pm8001_mpi3_phy_pg_trx_config {
 };
 
 /**
- * pm8001_get_internal_phy_settings : Retrieves the internal PHY settings
+ * pm8001_get_internal_phy_settings - Retrieves the internal PHY settings
  * @pm8001_ha : our adapter
  * @phycfg : PHY config page to populate
  */
@@ -810,7 +810,7 @@ void pm8001_get_internal_phy_settings(struct pm8001_hba_info *pm8001_ha,
 }
 
 /**
- * pm8001_get_external_phy_settings : Retrieves the external PHY settings
+ * pm8001_get_external_phy_settings - Retrieves the external PHY settings
  * @pm8001_ha : our adapter
  * @phycfg : PHY config page to populate
  */
@@ -830,7 +830,7 @@ void pm8001_get_external_phy_settings(struct pm8001_hba_info *pm8001_ha,
 }
 
 /**
- * pm8001_get_phy_mask : Retrieves the mask that denotes if a PHY is int/ext
+ * pm8001_get_phy_mask - Retrieves the mask that denotes if a PHY is int/ext
  * @pm8001_ha : our adapter
  * @phymask : The PHY mask
  */
@@ -868,7 +868,7 @@ void pm8001_get_phy_mask(struct pm8001_hba_info *pm8001_ha, int *phymask)
 }
 
 /**
- * pm8001_set_phy_settings_ven_117c_12G() : Configure ATTO 12Gb PHY settings
+ * pm8001_set_phy_settings_ven_117c_12G() - Configure ATTO 12Gb PHY settings
  * @pm8001_ha : our adapter
  */
 static
@@ -903,7 +903,7 @@ int pm8001_set_phy_settings_ven_117c_12G(struct pm8001_hba_info *pm8001_ha)
 }
 
 /**
- * pm8001_configure_phy_settings : Configures PHY settings based on vendor ID.
+ * pm8001_configure_phy_settings - Configures PHY settings based on vendor ID.
  * @pm8001_ha : our hba.
  */
 static int pm8001_configure_phy_settings(struct pm8001_hba_info *pm8001_ha)
@@ -1053,8 +1053,8 @@ static u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha)
  * @ent: pci device id
  *
  * This function is the main initialization function, when register a new
- * pci driver it is invoked, all struct an hardware initilization should be done
- * here, also, register interrupt
+ * pci driver it is invoked, all struct and hardware initialization should be
+ * done here, also, register interrupt.
  */
 static int pm8001_pci_probe(struct pci_dev *pdev,
 			    const struct pci_device_id *ent)
@@ -1172,10 +1172,11 @@ static int pm8001_pci_probe(struct pci_dev *pdev,
 	return rc;
 }
 
-/*
+/**
  * pm8001_init_ccb_tag - allocate memory to CCB and tag.
  * @pm8001_ha: our hba card information.
  * @shost: scsi host which has been allocated outside.
+ * @pdev: pci device.
  */
 static int
 pm8001_init_ccb_tag(struct pm8001_hba_info *pm8001_ha, struct Scsi_Host *shost,
@@ -1270,7 +1271,7 @@ static void pm8001_pci_remove(struct pci_dev *pdev)
  * pm8001_pci_suspend - power management suspend main entry point
  * @dev: Device struct
  *
- * Returns 0 success, anything else error.
+ * Return: 0 on success, anything else on error.
  */
 static int __maybe_unused pm8001_pci_suspend(struct device *dev)
 {
@@ -1315,7 +1316,7 @@ static int __maybe_unused pm8001_pci_suspend(struct device *dev)
  * pm8001_pci_resume - power management resume main entry point
  * @dev: Device struct
  *
- * Returns 0 success, anything else error.
+ * Return: 0 on success, anything else on error.
  */
 static int __maybe_unused pm8001_pci_resume(struct device *dev)
 {
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index 6f33d821e5453d14076b9f6561d6d3e774b5266c..48548a95327b5ca354ae6de99f811d4506673f0a 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -98,14 +98,16 @@ void pm8001_tag_init(struct pm8001_hba_info *pm8001_ha)
 		pm8001_tag_free(pm8001_ha, i);
 }
 
- /**
-  * pm8001_mem_alloc - allocate memory for pm8001.
-  * @pdev: pci device.
-  * @virt_addr: the allocated virtual address
-  * @pphys_addr_hi: the physical address high byte address.
-  * @pphys_addr_lo: the physical address low byte address.
-  * @mem_size: memory size.
-  */
+/**
+ * pm8001_mem_alloc - allocate memory for pm8001.
+ * @pdev: pci device.
+ * @virt_addr: the allocated virtual address
+ * @pphys_addr: DMA address for this device
+ * @pphys_addr_hi: the physical address high byte address.
+ * @pphys_addr_lo: the physical address low byte address.
+ * @mem_size: memory size.
+ * @align: requested byte alignment
+ */
 int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr,
 	dma_addr_t *pphys_addr, u32 *pphys_addr_hi,
 	u32 *pphys_addr_lo, u32 mem_size, u32 align)
@@ -339,7 +341,7 @@ static int pm8001_task_prep_ssp_tm(struct pm8001_hba_info *pm8001_ha,
 }
 
 /**
-  * pm8001_task_prep_ssp - the dispatcher function,prepare ssp data for ssp task
+  * pm8001_task_prep_ssp - the dispatcher function, prepare ssp data for ssp task
   * @pm8001_ha: our hba card information
   * @ccb: the ccb which attached to ssp task
   */
@@ -554,10 +556,10 @@ void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha,
 	pm8001_tag_free(pm8001_ha, ccb_idx);
 }
 
- /**
-  * pm8001_alloc_dev - find a empty pm8001_device
-  * @pm8001_ha: our hba card information
-  */
+/**
+ * pm8001_alloc_dev - find a empty pm8001_device
+ * @pm8001_ha: our hba card information
+ */
 static struct pm8001_device *pm8001_alloc_dev(struct pm8001_hba_info *pm8001_ha)
 {
 	u32 dev;
@@ -705,7 +707,7 @@ static void pm8001_tmf_timedout(struct timer_list *t)
   * @parameter: ssp task parameter.
   *
   * when errors or exception happened, we may want to do something, for example
-  * abort the issued task which result in this execption, it is done by calling
+  * abort the issued task which result in this exception, it is done by calling
   * this function, note it is also with the task execute interface.
   */
 static int pm8001_exec_internal_tmf_task(struct domain_device *dev,
@@ -984,11 +986,12 @@ void pm8001_open_reject_retry(
 }
 
 /**
- * pm8001_I_T_nexus_reset()
-  * Standard mandates link reset for ATA  (type 0) and hard reset for
-  * SSP (type 1) , only for RECOVERY
-  * @dev: the device structure for the device to reset.
-  */
+ * pm8001_I_T_nexus_reset() - reset the initiator/target connection
+ * @dev: the device structure for the device to reset.
+ *
+ * Standard mandates link reset for ATA (type 0) and hard reset for
+ * SSP (type 1), only for RECOVERY
+ */
 int pm8001_I_T_nexus_reset(struct domain_device *dev)
 {
 	int rc = TMF_RESP_FUNC_FAILED;
diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
index 45ecd9639977824ae224cb6cd8f9f08ea1a723b2..6ffe17b849ae84d2a31795075216a2f54d0d18b7 100644
--- a/drivers/scsi/pm8001/pm80xx_hwi.c
+++ b/drivers/scsi/pm8001/pm80xx_hwi.c
@@ -140,7 +140,7 @@ ssize_t pm80xx_get_fatal_dump(struct device *cdev,
 		pm8001_ha->fatal_bar_loc = 0;
 	}
 
-	/* Read until accum_len is retrived */
+	/* Read until accum_len is retrieved */
 	accum_len = pm8001_mr32(fatal_table_address,
 				MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
 	/* Determine length of data between previously stored transfer length
@@ -1011,7 +1011,7 @@ static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
 			   value);
 		return -EBUSY;
 	}
-	/* check the MPI-State for initialization upto 100ms*/
+	/* check the MPI-State for initialization up to 100ms*/
 	max_wait_count = 5;/* 100 msec */
 	do {
 		msleep(FW_READY_INTERVAL);
@@ -1093,7 +1093,7 @@ static int init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
 
 	value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
 
-	/**
+	/*
 	 * lower 26 bits of SCRATCHPAD0 register describes offset within the
 	 * PCIe BAR where the MPI configuration table is present
 	 */
@@ -1101,7 +1101,7 @@ static int init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
 
 	pm8001_dbg(pm8001_ha, DEV, "Scratchpad 0 Offset: 0x%x value 0x%x\n",
 		   offset, value);
-	/**
+	/*
 	 * Upper 6 bits describe the offset within PCI config space where BAR
 	 * is located.
 	 */
@@ -1109,7 +1109,7 @@ static int init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
 	pcibar = get_pci_bar_index(pcilogic);
 	pm8001_dbg(pm8001_ha, INIT, "Scratchpad 0 PCI BAR: %d\n", pcibar);
 
-	/**
+	/*
 	 * Make sure the offset falls inside the ioremapped PCI BAR
 	 */
 	if (offset > pm8001_ha->io_mem[pcibar].memsize) {
@@ -1121,7 +1121,7 @@ static int init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
 	pm8001_ha->main_cfg_tbl_addr = base_addr =
 		pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
 
-	/**
+	/*
 	 * Validate main configuration table address: first DWord should read
 	 * "PMCS"
 	 */
@@ -1385,7 +1385,7 @@ pm80xx_get_encrypt_info(struct pm8001_hba_info *pm8001_ha)
 }
 
 /**
- * pm80xx_encrypt_update - update flash with encryption informtion
+ * pm80xx_encrypt_update - update flash with encryption information
  * @pm8001_ha: our hba card information.
  */
 static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha)
@@ -1422,7 +1422,7 @@ static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha)
 }
 
 /**
- * pm80xx_chip_init - the main init function that initialize whole PM8001 chip.
+ * pm80xx_chip_init - the main init function that initializes whole PM8001 chip.
  * @pm8001_ha: our hba card information
  */
 static int pm80xx_chip_init(struct pm8001_hba_info *pm8001_ha)
@@ -1541,7 +1541,7 @@ static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
 }
 
 /**
- * pm80xx_fatal_errors - returns non zero *ONLY* when fatal errors
+ * pm80xx_fatal_errors - returns non-zero *ONLY* when fatal errors
  * @pm8001_ha: our hba card information
  *
  * Fatal errors are recoverable only after a host reboot.
@@ -1576,8 +1576,8 @@ pm80xx_fatal_errors(struct pm8001_hba_info *pm8001_ha)
 }
 
 /**
- * pm80xx_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
- * the FW register status to the originated status.
+ * pm80xx_chip_soft_rst - soft reset the PM8001 chip, so that all
+ * FW register status are reset to the originated status.
  * @pm8001_ha: our hba card information
  */
 
@@ -1895,13 +1895,13 @@ static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha,
 }
 
 /**
- * mpi_ssp_completion- process the event that FW response to the SSP request.
+ * mpi_ssp_completion - process the event that FW response to the SSP request.
  * @pm8001_ha: our hba card information
  * @piomb: the message contents of this outbound message.
  *
  * When FW has completed a ssp request for example a IO request, after it has
- * filled the SG data with the data, it will trigger this event represent
- * that he has finished the job,please check the coresponding buffer.
+ * filled the SG data with the data, it will trigger this event representing
+ * that he has finished the job; please check the corresponding buffer.
  * So we will tell the caller who maybe waiting the result to tell upper layer
  * that the task has been finished.
  */
@@ -3217,7 +3217,7 @@ mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
 }
 
 /**
- * pm80xx_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
+ * pm80xx_hw_event_ack_req- For PM8001, some events need to acknowledge to FW.
  * @pm8001_ha: our hba card information
  * @Qnum: the outbound queue message number.
  * @SEA: source of event to ack
@@ -3275,7 +3275,7 @@ static void hw_event_port_recover(struct pm8001_hba_info *pm8001_ha,
 }
 
 /**
- * hw_event_sas_phy_up -FW tells me a SAS phy up event.
+ * hw_event_sas_phy_up - FW tells me a SAS phy up event.
  * @pm8001_ha: our hba card information
  * @piomb: IO message buffer
  */
@@ -3353,7 +3353,7 @@ hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
 }
 
 /**
- * hw_event_sata_phy_up -FW tells me a SATA phy up event.
+ * hw_event_sata_phy_up - FW tells me a SATA phy up event.
  * @pm8001_ha: our hba card information
  * @piomb: IO message buffer
  */
@@ -3400,7 +3400,7 @@ hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
 }
 
 /**
- * hw_event_phy_down -we should notify the libsas the phy is down.
+ * hw_event_phy_down - we should notify the libsas the phy is down.
  * @pm8001_ha: our hba card information
  * @piomb: IO message buffer
  */
@@ -3500,7 +3500,7 @@ static int mpi_phy_start_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
 }
 
 /**
- * mpi_thermal_hw_event -The hw event has come.
+ * mpi_thermal_hw_event - a thermal hw event has come.
  * @pm8001_ha: our hba card information
  * @piomb: IO message buffer
  */
@@ -3530,7 +3530,7 @@ static int mpi_thermal_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
 }
 
 /**
- * mpi_hw_event -The hw event has come.
+ * mpi_hw_event - The hw event has come.
  * @pm8001_ha: our hba card information
  * @piomb: IO message buffer
  */
@@ -4025,7 +4025,7 @@ static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
 	case OPC_OUB_SET_DEV_INFO:
 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEV_INFO\n");
 		break;
-	/* spcv specifc commands */
+	/* spcv specific commands */
 	case OPC_OUB_PHY_START_RESP:
 		pm8001_dbg(pm8001_ha, MSG,
 			   "OPC_OUB_PHY_START_RESP opcode:%x\n", opc);
@@ -4186,7 +4186,7 @@ static void build_smp_cmd(u32 deviceID, __le32 hTag,
 }
 
 /**
- * pm80xx_chip_smp_req - send a SMP task to FW
+ * pm80xx_chip_smp_req - send an SMP task to FW
  * @pm8001_ha: our hba card information.
  * @ccb: the ccb information this request used.
  */
@@ -4346,7 +4346,7 @@ static int check_enc_sat_cmd(struct sas_task *task)
 }
 
 /**
- * pm80xx_chip_ssp_io_req - send a SSP task to FW
+ * pm80xx_chip_ssp_io_req - send an SSP task to FW
  * @pm8001_ha: our hba card information.
  * @ccb: the ccb information this request used.
  */
@@ -4750,13 +4750,13 @@ pm80xx_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
 	payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
 			LINKMODE_AUTO | pm8001_ha->link_rate | phy_id);
 	/* SSC Disable and SAS Analog ST configuration */
-	/**
+	/*
 	payload.ase_sh_lm_slr_phyid =
 		cpu_to_le32(SSC_DISABLE_30 | SAS_ASE | SPINHOLD_DISABLE |
 		LINKMODE_AUTO | LINKRATE_15 | LINKRATE_30 | LINKRATE_60 |
 		phy_id);
 	Have to add "SAS PHY Analog Setup SPASTI 1 Byte" Based on need
-	**/
+	*/
 
 	payload.sas_identify.dev_type = SAS_END_DEVICE;
 	payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 8f9727e525aa2901c57df6f3ce9424a2e1d3579a..7456a26aef513b0bc2a23b9dc61e18c00973610c 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -194,7 +194,7 @@ void scsi_queue_insert(struct scsi_cmnd *cmd, int reason)
  * @bufflen:	len of buffer
  * @sense:	optional sense buffer
  * @sshdr:	optional decoded sense header
- * @timeout:	request timeout in seconds
+ * @timeout:	request timeout in HZ
  * @retries:	number of times to retry request
  * @flags:	flags for ->cmd_flags
  * @rq_flags:	flags for ->rq_flags
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index c98d540ac044d06081673dc3c90cc0a10d14555c..194755c9ddfeb8770d584ed1d1ec3868bcb69fdb 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -1229,8 +1229,13 @@ static inline int ufshcd_vops_pwr_change_notify(struct ufs_hba *hba,
 static inline void ufshcd_vops_setup_xfer_req(struct ufs_hba *hba, int tag,
 					bool is_scsi_cmd)
 {
-	if (hba->vops && hba->vops->setup_xfer_req)
-		return hba->vops->setup_xfer_req(hba, tag, is_scsi_cmd);
+	if (hba->vops && hba->vops->setup_xfer_req) {
+		unsigned long flags;
+
+		spin_lock_irqsave(hba->host->host_lock, flags);
+		hba->vops->setup_xfer_req(hba, tag, is_scsi_cmd);
+		spin_unlock_irqrestore(hba->host->host_lock, flags);
+	}
 }
 
 static inline void ufshcd_vops_setup_task_mgmt(struct ufs_hba *hba,