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Date: Wed, 8 Jul 2015 14:43:48 +0530
From: Sumit Saxena <sumit.saxena@...gotech.com>
To: Bjorn Helgaas <bhelgaas@...gle.com>,
Kashyap Desai <kashyap.desai@...gotech.com>,
Uday Lingala <uday.lingala@...gotech.com>
Cc: "PDL,MEGARAIDLINUX" <megaraidlinux.pdl@...gotech.com>,
linux-scsi@...r.kernel.org,
"James E.J. Bottomley" <JBottomley@...n.com>,
linux-kernel@...r.kernel.org, Joe Perches <joe@...ches.com>,
Christoph Hellwig <hch@....de>
Subject: RE: [PATCH v3 3/3] megaraid_sas : fix whitespace errors
> -----Original Message-----
> From: Bjorn Helgaas [mailto:bhelgaas@...gle.com]
> Sent: Wednesday, July 08, 2015 2:23 AM
> To: Kashyap Desai; Uday Lingala; Sumit Saxena
> Cc: megaraidlinux.pdl@...gotech.com; linux-scsi@...r.kernel.org; James
> E.J.
> Bottomley; linux-kernel@...r.kernel.org; Joe Perches; Christoph Hellwig
> Subject: [PATCH v3 3/3] megaraid_sas : fix whitespace errors
>
> Fix whitespace and indentation errors. No code change.
>
> Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
> ---
> drivers/scsi/megaraid/megaraid_sas_base.c | 244
> ++++++++++++++--------------
> -
> 1 file changed, 118 insertions(+), 126 deletions(-)
>
> diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c
> b/drivers/scsi/megaraid/megaraid_sas_base.c
> index a9bd592..5156faa 100644
> --- a/drivers/scsi/megaraid/megaraid_sas_base.c
> +++ b/drivers/scsi/megaraid/megaraid_sas_base.c
> @@ -273,6 +273,7 @@ static inline void
> megasas_enable_intr_xscale(struct megasas_instance *instance) {
> struct megasas_register_set __iomem *regs;
> +
> regs = instance->reg_set;
> writel(0, &(regs)->outbound_intr_mask);
>
> @@ -289,6 +290,7 @@ megasas_disable_intr_xscale(struct megasas_instance
> *instance) {
> struct megasas_register_set __iomem *regs;
> u32 mask = 0x1f;
> +
> regs = instance->reg_set;
> writel(mask, ®s->outbound_intr_mask);
> /* Dummy readl to force pci flush */
> @@ -313,6 +315,7 @@ megasas_clear_intr_xscale(struct megasas_register_set
> __iomem * regs) {
> u32 status;
> u32 mfiStatus = 0;
> +
> /*
> * Check if it is our interrupt
> */
> @@ -348,6 +351,7 @@ megasas_fire_cmd_xscale(struct megasas_instance
> *instance,
> struct megasas_register_set __iomem *regs) {
> unsigned long flags;
> +
> spin_lock_irqsave(&instance->hba_lock, flags);
> writel((frame_phys_addr >> 3)|(frame_count),
> &(regs)->inbound_queue_port);
> @@ -364,6 +368,7 @@ megasas_adp_reset_xscale(struct megasas_instance
> *instance, {
> u32 i;
> u32 pcidata;
> +
> writel(MFI_ADP_RESET, ®s->inbound_doorbell);
>
> for (i = 0; i < 3; i++)
> @@ -402,7 +407,6 @@ static int
> megasas_check_reset_xscale(struct megasas_instance *instance,
> struct megasas_register_set __iomem *regs) {
> -
> if ((instance->adprecovery != MEGASAS_HBA_OPERATIONAL) &&
> (le32_to_cpu(*instance->consumer) ==
> MEGASAS_ADPRESET_INPROG_SIGN))
> @@ -433,7 +437,7 @@ static struct megasas_instance_template
> megasas_instance_template_xscale = {
>
> /**
> * The following functions are defined for ppc (deviceid : 0x60)
> -* controllers
> +* controllers
> */
>
> /**
> @@ -444,6 +448,7 @@ static inline void
> megasas_enable_intr_ppc(struct megasas_instance *instance) {
> struct megasas_register_set __iomem *regs;
> +
> regs = instance->reg_set;
> writel(0xFFFFFFFF, &(regs)->outbound_doorbell_clear);
>
> @@ -462,6 +467,7 @@ megasas_disable_intr_ppc(struct megasas_instance
> *instance) {
> struct megasas_register_set __iomem *regs;
> u32 mask = 0xFFFFFFFF;
> +
> regs = instance->reg_set;
> writel(mask, ®s->outbound_intr_mask);
> /* Dummy readl to force pci flush */
> @@ -522,6 +528,7 @@ megasas_fire_cmd_ppc(struct megasas_instance
> *instance,
> struct megasas_register_set __iomem *regs) {
> unsigned long flags;
> +
> spin_lock_irqsave(&instance->hba_lock, flags);
> writel((frame_phys_addr | (frame_count<<1))|1,
> &(regs)->inbound_queue_port);
> @@ -566,6 +573,7 @@ static inline void
> megasas_enable_intr_skinny(struct megasas_instance *instance) {
> struct megasas_register_set __iomem *regs;
> +
> regs = instance->reg_set;
> writel(0xFFFFFFFF, &(regs)->outbound_intr_mask);
>
> @@ -584,6 +592,7 @@ megasas_disable_intr_skinny(struct megasas_instance
> *instance) {
> struct megasas_register_set __iomem *regs;
> u32 mask = 0xFFFFFFFF;
> +
> regs = instance->reg_set;
> writel(mask, ®s->outbound_intr_mask);
> /* Dummy readl to force pci flush */
> @@ -634,8 +643,8 @@ megasas_clear_intr_skinny(struct megasas_register_set
> __iomem *regs)
> writel(status, ®s->outbound_intr_status);
>
> /*
> - * dummy read to flush PCI
> - */
> + * dummy read to flush PCI
> + */
> readl(®s->outbound_intr_status);
>
> return mfiStatus;
> @@ -654,6 +663,7 @@ megasas_fire_cmd_skinny(struct megasas_instance
> *instance,
> struct megasas_register_set __iomem *regs) {
> unsigned long flags;
> +
> spin_lock_irqsave(&instance->hba_lock, flags);
> writel(upper_32_bits(frame_phys_addr),
> &(regs)->inbound_high_queue_port);
> @@ -706,6 +716,7 @@ static inline void
> megasas_enable_intr_gen2(struct megasas_instance *instance) {
> struct megasas_register_set __iomem *regs;
> +
> regs = instance->reg_set;
> writel(0xFFFFFFFF, &(regs)->outbound_doorbell_clear);
>
> @@ -725,6 +736,7 @@ megasas_disable_intr_gen2(struct megasas_instance
> *instance) {
> struct megasas_register_set __iomem *regs;
> u32 mask = 0xFFFFFFFF;
> +
> regs = instance->reg_set;
> writel(mask, ®s->outbound_intr_mask);
> /* Dummy readl to force pci flush */
> @@ -750,6 +762,7 @@ megasas_clear_intr_gen2(struct megasas_register_set
> __iomem *regs) {
> u32 status;
> u32 mfiStatus = 0;
> +
> /*
> * Check if it is our interrupt
> */
> @@ -786,6 +799,7 @@ megasas_fire_cmd_gen2(struct megasas_instance
> *instance,
> struct megasas_register_set __iomem *regs) {
> unsigned long flags;
> +
> spin_lock_irqsave(&instance->hba_lock, flags);
> writel((frame_phys_addr | (frame_count<<1))|1,
> &(regs)->inbound_queue_port);
> @@ -800,10 +814,10 @@ static int
> megasas_adp_reset_gen2(struct megasas_instance *instance,
> struct megasas_register_set __iomem *reg_set) {
> - u32 retry = 0 ;
> - u32 HostDiag;
> - u32 __iomem *seq_offset = ®_set->seq_offset;
> - u32 __iomem *hostdiag_offset = ®_set->host_diag;
> + u32 retry = 0 ;
> + u32 HostDiag;
> + u32 __iomem *seq_offset = ®_set->seq_offset;
> + u32 __iomem *hostdiag_offset = ®_set->host_diag;
>
> if (instance->instancet == &megasas_instance_template_skinny) {
> seq_offset = ®_set->fusion_seq_offset; @@ -821,7 +835,7
> @@ megasas_adp_reset_gen2(struct megasas_instance *instance,
>
> HostDiag = (u32)readl(hostdiag_offset);
>
> - while ( !( HostDiag & DIAG_WRITE_ENABLE) ) {
> + while (!(HostDiag & DIAG_WRITE_ENABLE)) {
> msleep(100);
> HostDiag = (u32)readl(hostdiag_offset);
> dev_notice(&instance->pdev->dev, "RESETGEN2: retry=%x,
> hostdiag=%x\n", @@ -839,7 +853,7 @@ megasas_adp_reset_gen2(struct
> megasas_instance *instance,
> ssleep(10);
>
> HostDiag = (u32)readl(hostdiag_offset);
> - while ( ( HostDiag & DIAG_RESET_ADAPTER) ) {
> + while (HostDiag & DIAG_RESET_ADAPTER) {
> msleep(100);
> HostDiag = (u32)readl(hostdiag_offset);
> dev_notice(&instance->pdev->dev, "RESET_GEN2: retry=%x,
> hostdiag=%x\n", @@ -904,7 +918,6 @@ int megasas_issue_polled(struct
> megasas_instance *instance, struct megasas_cmd *cmd) {
> int seconds;
> -
> struct megasas_header *frame_hdr = &cmd->frame->hdr;
>
> frame_hdr->cmd_status = MFI_CMD_STATUS_POLL_MODE; @@ -940,6
> +953,7 @@ megasas_issue_blocked_cmd(struct megasas_instance *instance,
> struct megasas_cmd *cmd, int timeout) {
> int ret = 0;
> +
> cmd->cmd_status_drv = MFI_STAT_INVALID_STATUS;
>
> instance->instancet->issue_dcmd(instance, cmd); @@ -1120,7 +1134,7
> @@ static u32 megasas_get_frame_count(struct megasas_instance *instance,
> int num_cnt;
> int sge_bytes;
> u32 sge_sz;
> - u32 frame_count=0;
> + u32 frame_count = 0;
>
> sge_sz = (IS_DMA64) ? sizeof(struct megasas_sge64) :
> sizeof(struct megasas_sge32);
> @@ -1151,14 +1165,14 @@ static u32 megasas_get_frame_count(struct
> megasas_instance *instance,
> num_cnt = sge_count - 3;
> }
>
> - if(num_cnt>0){
> + if (num_cnt > 0) {
> sge_bytes = sge_sz * num_cnt;
>
> frame_count = (sge_bytes / MEGAMFI_FRAME_SIZE) +
> ((sge_bytes % MEGAMFI_FRAME_SIZE) ? 1 : 0) ;
> }
> /* Main frame */
> - frame_count +=1;
> + frame_count += 1;
>
> if (frame_count > 7)
> frame_count = 8;
> @@ -1215,9 +1229,9 @@ megasas_build_dcdb(struct megasas_instance
> *instance, struct scsi_cmnd *scp,
> memcpy(pthru->cdb, scp->cmnd, scp->cmd_len);
>
> /*
> - * If the command is for the tape device, set the
> - * pthru timeout to the os layer timeout value.
> - */
> + * If the command is for the tape device, set the
> + * pthru timeout to the os layer timeout value.
> + */
> if (scp->device->type == TYPE_TAPE) {
> if ((scp->request->timeout / HZ) > 0xFFFF)
> pthru->timeout = cpu_to_le16(0xFFFF); @@ -1435,7
> +1449,7 @@ inline int megasas_cmd_type(struct scsi_cmnd *cmd)
>
> /**
> * megasas_dump_pending_frames - Dumps the frame address of all
> pending cmds
> - * in FW
> + * in FW
> * @instance: Adapter soft state
> */
> static inline void
> @@ -1459,7 +1473,7 @@ megasas_dump_pending_frames(struct
> megasas_instance *instance)
> dev_err(&instance->pdev->dev, "[%d]: Pending OS cmds in FW :
> \n",instance->host->host_no);
> for (i = 0; i < max_cmd; i++) {
> cmd = instance->cmd_list[i];
> - if(!cmd->scmd)
> + if (!cmd->scmd)
> continue;
> dev_err(&instance->pdev->dev, "[%d]: Frame addr :0x%08lx :
> ",instance->host->host_no,(unsigned long)cmd->frame_phys_addr);
> if (megasas_cmd_type(cmd->scmd) == READ_WRITE_LDIO) {
> @@ -1471,8 +1485,7 @@ megasas_dump_pending_frames(struct
> megasas_instance *instance)
> instance->host->host_no, cmd->frame_count, ldio-
> >cmd, ldio->target_id,
> le32_to_cpu(ldio->start_lba_lo), le32_to_cpu(ldio-
> >start_lba_hi),
> le32_to_cpu(ldio->sense_buf_phys_addr_lo), sgcount);
> - }
> - else {
> + } else {
> pthru = (struct megasas_pthru_frame *) cmd->frame;
> mfi_sgl = &pthru->sgl;
> sgcount = pthru->sge_count;
> @@ -1482,16 +1495,16 @@ megasas_dump_pending_frames(struct
> megasas_instance *instance)
> pthru->lun, pthru->cdb_len, le32_to_cpu(pthru-
> >data_xfer_len),
> le32_to_cpu(pthru->sense_buf_phys_addr_lo),
> sgcount);
> }
> - if(megasas_dbg_lvl & MEGASAS_DBG_LVL){
> - for (n = 0; n < sgcount; n++){
> - if (IS_DMA64)
> - dev_err(&instance->pdev->dev, "sgl len : 0x%x,
> sgl addr : 0x%llx\n",
> - le32_to_cpu(mfi_sgl-
> >sge64[n].length),
> - le64_to_cpu(mfi_sgl-
> >sge64[n].phys_addr));
> - else
> - dev_err(&instance->pdev->dev, "sgl len : 0x%x,
> sgl addr : 0x%x\n",
> - le32_to_cpu(mfi_sgl-
> >sge32[n].length),
> - le32_to_cpu(mfi_sgl-
> >sge32[n].phys_addr));
> + if (megasas_dbg_lvl & MEGASAS_DBG_LVL) {
> + for (n = 0; n < sgcount; n++) {
> + if (IS_DMA64)
> + dev_err(&instance->pdev->dev, "sgl len
> : 0x%x, sgl addr : 0x%llx\n",
> + le32_to_cpu(mfi_sgl-
> >sge64[n].length),
> + le64_to_cpu(mfi_sgl-
> >sge64[n].phys_addr));
> + else
> + dev_err(&instance->pdev->dev, "sgl len
> : 0x%x, sgl addr : 0x%x\n",
> + le32_to_cpu(mfi_sgl-
> >sge32[n].length),
> + le32_to_cpu(mfi_sgl-
> >sge32[n].phys_addr));
> }
> }
> } /*for max_cmd*/
> @@ -1500,9 +1513,8 @@ megasas_dump_pending_frames(struct
> megasas_instance *instance)
>
> cmd = instance->cmd_list[i];
>
> - if(cmd->sync_cmd == 1){
> + if (cmd->sync_cmd == 1)
> dev_err(&instance->pdev->dev, "0x%08lx : ", (unsigned
> long)cmd->frame_phys_addr);
> - }
> }
> dev_err(&instance->pdev->dev, "[%d]: Dumping Done\n\n",instance-
> >host->host_no);
> }
> @@ -1650,8 +1662,8 @@ static struct megasas_instance
> *megasas_lookup_instance(u16 host_no) static int
> megasas_slave_configure(struct scsi_device *sdev) {
> /*
> - * The RAID firmware may require extended timeouts.
> - */
> + * The RAID firmware may require extended timeouts.
> + */
> blk_queue_rq_timeout(sdev->request_queue,
> MEGASAS_DEFAULT_CMD_TIMEOUT * HZ);
>
> @@ -1660,8 +1672,9 @@ static int megasas_slave_configure(struct
> scsi_device
> *sdev)
>
> static int megasas_slave_alloc(struct scsi_device *sdev) {
> - u16 pd_index = 0;
> + u16 pd_index = 0;
> struct megasas_instance *instance ;
> +
> instance = megasas_lookup_instance(sdev->host->host_no);
> if (sdev->channel < MEGASAS_MAX_PD_CHANNELS) {
> /*
> @@ -1727,8 +1740,7 @@ void megaraid_sas_kill_hba(struct megasas_instance
> *instance)
> (instance->pdev->device == PCI_DEVICE_ID_LSI_PLASMA) ||
> (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) ||
> (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) {
> - writel(MFI_STOP_ADP,
> - &instance->reg_set->doorbell);
> + writel(MFI_STOP_ADP, &instance->reg_set->doorbell);
> /* Flush */
> readl(&instance->reg_set->doorbell);
> if (instance->mpio && instance->requestorId) @@ -1782,7
> +1794,7 @@ static void megasas_complete_cmd_dpc(unsigned long
> instance_addr)
> unsigned long flags;
>
> /* If we have already declared adapter dead, donot complete cmds */
> - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR )
> + if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR)
> return;
>
> spin_lock_irqsave(&instance->completion_lock, flags); @@ -2285,14
> +2297,14 @@ static int megasas_wait_for_outstanding(struct
> megasas_instance *instance)
> if (adprecovery != MEGASAS_HBA_OPERATIONAL) {
> dev_notice(&instance->pdev->dev, "reset: Stopping
> HBA.\n");
> spin_lock_irqsave(&instance->hba_lock, flags);
> - instance->adprecovery =
> MEGASAS_HW_CRITICAL_ERROR;
> + instance->adprecovery =
> MEGASAS_HW_CRITICAL_ERROR;
> spin_unlock_irqrestore(&instance->hba_lock, flags);
> return FAILED;
> }
>
> - reset_index = 0;
> + reset_index = 0;
> while (!list_empty(&clist_local)) {
> - reset_cmd = list_entry((&clist_local)->next,
> + reset_cmd = list_entry((&clist_local)->next,
> struct megasas_cmd, list);
> list_del_init(&reset_cmd->list);
> if (reset_cmd->scmd) {
> @@ -2324,7 +2336,6 @@ static int megasas_wait_for_outstanding(struct
> megasas_instance *instance)
> }
>
> for (i = 0; i < resetwaittime; i++) {
> -
> int outstanding = atomic_read(&instance->fw_outstanding);
>
> if (!outstanding)
> @@ -2363,10 +2374,8 @@ static int megasas_wait_for_outstanding(struct
> megasas_instance *instance)
> i++;
> } while (i <= 3);
>
> - if (atomic_read(&instance->fw_outstanding) &&
> - !kill_adapter_flag) {
> + if (atomic_read(&instance->fw_outstanding) && !kill_adapter_flag) {
> if (instance->disableOnlineCtrlReset == 0) {
> -
> megasas_do_ocr(instance);
>
> /* wait for 5 secs to let FW finish the pending cmds */
> @@ -2384,9 +2393,9 @@ static int megasas_wait_for_outstanding(struct
> megasas_instance *instance)
> (kill_adapter_flag == 2)) {
> dev_notice(&instance->pdev->dev, "pending cmds after
> reset\n");
> /*
> - * Send signal to FW to stop processing any pending cmds.
> - * The controller will be taken offline by the OS now.
> - */
> + * Send signal to FW to stop processing any pending cmds.
> + * The controller will be taken offline by the OS now.
> + */
> if ((instance->pdev->device ==
> PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
> (instance->pdev->device ==
> @@ -2399,7 +2408,7 @@ static int megasas_wait_for_outstanding(struct
> megasas_instance *instance)
> }
> megasas_dump_pending_frames(instance);
> spin_lock_irqsave(&instance->hba_lock, flags);
> - instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR;
> + instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR;
> spin_unlock_irqrestore(&instance->hba_lock, flags);
> return FAILED;
> }
> @@ -2478,14 +2487,10 @@ blk_eh_timer_return megasas_reset_timer(struct
> scsi_cmnd *scmd)
> */
> static int megasas_reset_device(struct scsi_cmnd *scmd) {
> - int ret;
> -
> /*
> * First wait for all commands to complete
> */
> - ret = megasas_generic_reset(scmd);
> -
> - return ret;
> + return megasas_generic_reset(scmd);
> }
>
> /**
> @@ -2495,6 +2500,7 @@ static int megasas_reset_bus_host(struct scsi_cmnd
> *scmd) {
> int ret;
> struct megasas_instance *instance;
> +
> instance = (struct megasas_instance *)scmd->device->host->hostdata;
>
> /*
> @@ -2513,7 +2519,7 @@ static int megasas_reset_bus_host(struct scsi_cmnd
> *scmd)
>
> /**
> * megasas_bios_param - Returns disk geometry for a disk
> - * @sdev: device handle
> + * @sdev: device handle
> * @bdev: block device
> * @capacity: drive capacity
> * @geom: geometry parameters
> @@ -2526,6 +2532,7 @@ megasas_bios_param(struct scsi_device *sdev, struct
> block_device *bdev,
> int sectors;
> sector_t cylinders;
> unsigned long tmp;
> +
> /* Default heads (64) & sectors (32) */
> heads = 64;
> sectors = 32;
> @@ -2572,6 +2579,7 @@ static void
> megasas_service_aen(struct megasas_instance *instance, struct megasas_cmd
> *cmd) {
> unsigned long flags;
> +
> /*
> * Don't signal app if it is just an aborted previously registered aen
> */
> @@ -2592,6 +2600,7 @@ megasas_service_aen(struct megasas_instance
> *instance, struct megasas_cmd *cmd)
> if ((instance->unload == 0) &&
> ((instance->issuepend_done == 1))) {
> struct megasas_aen_event *ev;
> +
> ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
> if (!ev) {
> dev_err(&instance->pdev->dev, "megasas_service_aen:
> out of memory\n"); @@ -2651,8 +2660,7 @@
> megasas_fw_crash_buffer_show(struct device *cdev,
>
> buff_addr = (unsigned long) buf;
>
> - if (buff_offset >
> - (instance->fw_crash_buffer_size * dmachunk)) {
> + if (buff_offset > (instance->fw_crash_buffer_size * dmachunk)) {
> dev_err(&instance->pdev->dev,
> "Firmware crash dump offset is out of range\n");
> spin_unlock_irqrestore(&instance->crashdump_lock, flags);
> @@ -2664,7 +2672,7 @@ megasas_fw_crash_buffer_show(struct device *cdev,
>
> src_addr = (unsigned long)instance->crash_buf[buff_offset / dmachunk]
> +
> (buff_offset % dmachunk);
> - memcpy(buf, (void *)src_addr, size);
> + memcpy(buf, (void *)src_addr, size);
> spin_unlock_irqrestore(&instance->crashdump_lock, flags);
>
> return size;
> @@ -2724,6 +2732,7 @@ megasas_fw_crash_state_show(struct device *cdev,
> struct Scsi_Host *shost = class_to_shost(cdev);
> struct megasas_instance *instance =
> (struct megasas_instance *) shost->hostdata;
> +
> return snprintf(buf, PAGE_SIZE, "%d\n", instance->fw_crash_state); }
>
> @@ -2808,8 +2817,6 @@ megasas_complete_abort(struct megasas_instance
> *instance,
> cmd->cmd_status_drv = 0;
> wake_up(&instance->abort_cmd_wait_q);
> }
> -
> - return;
> }
>
> /**
> @@ -2817,10 +2824,10 @@ megasas_complete_abort(struct
> megasas_instance *instance,
> * @instance: Adapter soft state
> * @cmd: Command to be completed
> * @alt_status: If non-zero, use this value as status to
> - * SCSI mid-layer instead of the value returned
> - * by the FW. This should be used if caller wants
> - * an alternate status (as in the case of aborted
> - * commands)
> + * SCSI mid-layer instead of the value returned
> + * by the FW. This should be used if caller wants
> + * an alternate status (as in the case of aborted
> + * commands)
> */
> void
> megasas_complete_cmd(struct megasas_instance *instance, struct
> megasas_cmd *cmd, @@ -3001,7 +3008,7 @@ megasas_complete_cmd(struct
> megasas_instance *instance, struct megasas_cmd *cmd,
>
> /**
> * megasas_issue_pending_cmds_again - issue all pending cmds
> - * in FW again because of the fw reset
> + * in FW again because of the fw reset
> * @instance: Adapter soft state
> */
> static inline void
> @@ -3019,7 +3026,7 @@ megasas_issue_pending_cmds_again(struct
> megasas_instance *instance)
> spin_unlock_irqrestore(&instance->hba_lock, flags);
>
> while (!list_empty(&clist_local)) {
> - cmd = list_entry((&clist_local)->next,
> + cmd = list_entry((&clist_local)->next,
> struct megasas_cmd, list);
> list_del_init(&cmd->list);
>
> @@ -3052,7 +3059,7 @@ megasas_issue_pending_cmds_again(struct
> megasas_instance *instance)
> "issue it again.\n", cmd);
> cmd->cmd_status_drv = MFI_STAT_INVALID_STATUS;
> instance->instancet->fire_cmd(instance,
> - cmd-
> >frame_phys_addr ,
> + cmd-
> >frame_phys_addr,
> 0, instance->reg_set);
> } else if (cmd->scmd) {
> dev_notice(&instance->pdev->dev, "%p scsi cmd
> [%02x]"
> @@ -3074,12 +3081,12 @@ megasas_issue_pending_cmds_again(struct
> megasas_instance *instance)
> dev_notice(&instance->pdev->dev, "aen_cmd in def
> process\n");
> megasas_return_cmd(instance, instance->aen_cmd);
>
> - instance->aen_cmd = NULL;
> + instance->aen_cmd = NULL;
> }
>
> /*
> - * Initiate AEN (Asynchronous Event Notification)
> - */
> + * Initiate AEN (Asynchronous Event Notification)
> + */
> seq_num = instance->last_seq_num;
> class_locale.members.reserved = 0;
> class_locale.members.locale = MR_EVT_LOCALE_ALL; @@ -3106,7
> +3113,7 @@ megasas_internal_reset_defer_cmds(struct megasas_instance
> *instance)
> u32 defer_index;
> unsigned long flags;
>
> - defer_index = 0;
> + defer_index = 0;
> spin_lock_irqsave(&instance->mfi_pool_lock, flags);
> for (i = 0; i < max_cmd; i++) {
> cmd = instance->cmd_list[i];
> @@ -3155,7 +3162,7 @@ process_fw_state_change_wq(struct work_struct
> *work)
>
> atomic_set(&instance->fw_reset_no_pci_access, 1);
> instance->instancet->adp_reset(instance, instance->reg_set);
> - atomic_set(&instance->fw_reset_no_pci_access, 0 );
> + atomic_set(&instance->fw_reset_no_pci_access, 0);
>
> dev_notice(&instance->pdev->dev, "FW restarted successfully,"
> "initiating next stage...\n");
> @@ -3163,7 +3170,7 @@ process_fw_state_change_wq(struct work_struct
> *work)
> dev_notice(&instance->pdev->dev, "HBA recovery state
> machine,"
> "state 2 starting...\n");
>
> - /*waitting for about 20 second before start the second init*/
> + /* waiting for about 20 second before start the second init */
> for (wait = 0; wait < 30; wait++) {
> msleep(1000);
> }
> @@ -3196,15 +3203,14 @@ process_fw_state_change_wq(struct work_struct
> *work)
> megasas_issue_pending_cmds_again(instance);
> instance->issuepend_done = 1;
> }
> - return ;
> }
>
> /**
> * megasas_deplete_reply_queue - Processes all completed commands
> * @instance: Adapter soft state
> * @alt_status: Alternate status to be returned to
> - * SCSI mid-layer instead of the status
> - * returned by the FW
> + * SCSI mid-layer instead of the status
> + * returned by the FW
> * Note: this must be called with hba lock held
> */
> static int
> @@ -3284,13 +3290,13 @@ static irqreturn_t megasas_isr(int irq, void
> *devp)
> struct megasas_irq_context *irq_context = devp;
> struct megasas_instance *instance = irq_context->instance;
> unsigned long flags;
> - irqreturn_t rc;
> + irqreturn_t rc;
>
> if (atomic_read(&instance->fw_reset_no_pci_access))
> return IRQ_HANDLED;
>
> spin_lock_irqsave(&instance->hba_lock, flags);
> - rc = megasas_deplete_reply_queue(instance, DID_OK);
> + rc = megasas_deplete_reply_queue(instance, DID_OK);
> spin_unlock_irqrestore(&instance->hba_lock, flags);
>
> return rc;
> @@ -3566,9 +3572,8 @@ static int megasas_create_frame_pool(struct
> megasas_instance *instance)
> sge_sz = (IS_DMA64) ? sizeof(struct megasas_sge64) :
> sizeof(struct megasas_sge32);
>
> - if (instance->flag_ieee) {
> + if (instance->flag_ieee)
> sge_sz = sizeof(struct megasas_sge_skinny);
> - }
>
> /*
> * For MFI controllers.
> @@ -3652,6 +3657,7 @@ static int megasas_create_frame_pool(struct
> megasas_instance *instance) void megasas_free_cmds(struct
> megasas_instance *instance) {
> int i;
> +
> /* First free the MFI frame pool */
> megasas_teardown_frame_pool(instance);
>
> @@ -3807,12 +3813,12 @@ megasas_get_pd_list(struct megasas_instance
> *instance)
> ret = megasas_issue_polled(instance, cmd);
>
> /*
> - * the following function will get the instance PD LIST.
> - */
> + * the following function will get the instance PD LIST.
> + */
>
> pd_addr = ci->addr;
>
> - if ( ret == 0 &&
> + if (ret == 0 &&
> (le32_to_cpu(ci->count) <
> (MEGASAS_MAX_PD_CHANNELS *
> MEGASAS_MAX_DEV_PER_CHANNEL))) {
>
> @@ -4048,11 +4054,11 @@ static void megasas_update_ext_vd_details(struct
> megasas_instance *instance)
> instance->supportmax256vd ? "Extended VD(240 VD)firmware" :
> "Legacy(64 VD) firmware");
>
> - old_map_sz = sizeof(struct MR_FW_RAID_MAP) +
> + old_map_sz = sizeof(struct MR_FW_RAID_MAP) +
> (sizeof(struct MR_LD_SPAN_MAP) *
> (instance->fw_supported_vd_count - 1));
> - new_map_sz = sizeof(struct MR_FW_RAID_MAP_EXT);
> - fusion->drv_map_sz = sizeof(struct MR_DRV_RAID_MAP) +
> + new_map_sz = sizeof(struct MR_FW_RAID_MAP_EXT);
> + fusion->drv_map_sz = sizeof(struct MR_DRV_RAID_MAP) +
> (sizeof(struct MR_LD_SPAN_MAP) *
> (instance->drv_supported_vd_count - 1));
>
> @@ -4063,7 +4069,6 @@ static void megasas_update_ext_vd_details(struct
> megasas_instance *instance)
> fusion->current_map_sz = new_map_sz;
> else
> fusion->current_map_sz = old_map_sz;
> -
> }
>
> /**
> @@ -4210,9 +4215,7 @@ static int
> megasas_issue_init_mfi(struct megasas_instance *instance) {
> __le32 context;
> -
> struct megasas_cmd *cmd;
> -
> struct megasas_init_frame *init_frame;
> struct megasas_init_queue_info *initq_info;
> dma_addr_t init_frame_h;
> @@ -4651,10 +4654,9 @@ static int megasas_init_fw(struct megasas_instance
> *instance)
> dev_err(&instance->pdev->dev, "INIT adapter done\n");
>
> /** for passthrough
> - * the following function will get the PD LIST.
> - */
> -
> - memset(instance->pd_list, 0 ,
> + * the following function will get the PD LIST.
> + */
> + memset(instance->pd_list, 0,
> (MEGASAS_MAX_PD * sizeof(struct megasas_pd_list)));
> if (megasas_get_pd_list(instance) < 0) {
> dev_err(&instance->pdev->dev, "failed to get PD list\n"); @@ -
> 4682,7 +4684,7 @@ static int megasas_init_fw(struct megasas_instance
> *instance)
> le16_to_cpu(ctrl_info->max_strips_per_io);
> max_sectors_2 = le32_to_cpu(ctrl_info->max_request_size);
>
> - tmp_sectors = min_t(u32, max_sectors_1 , max_sectors_2);
> + tmp_sectors = min_t(u32, max_sectors_1, max_sectors_2);
>
> instance->disableOnlineCtrlReset =
> ctrl_info->properties.OnOffProperties.disableOnlineCtrlReset;
> @@ -5047,7 +5049,7 @@ static int megasas_start_aen(struct
> megasas_instance *instance) static int megasas_io_attach(struct
> megasas_instance *instance) {
> struct Scsi_Host *host = instance->host;
> - u32 error;
> + u32 error;
>
> /*
> * Export parameters required by SCSI mid-layer @@ -5122,7 +5124,7
> @@ static int megasas_set_dma_mask(struct pci_dev *pdev) {
> /*
> - * All our contollers are capable of performing 64-bit DMA
> + * All our controllers are capable of performing 64-bit DMA
> */
> if (IS_DMA64) {
> if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) { @@ -
> 5208,7 +5210,7 @@ static int megasas_probe_one(struct pci_dev *pdev,
>
> instance = (struct megasas_instance *)host->hostdata;
> memset(instance, 0, sizeof(*instance));
> - atomic_set( &instance->fw_reset_no_pci_access, 0 );
> + atomic_set(&instance->fw_reset_no_pci_access, 0);
> instance->pdev = pdev;
>
> switch (instance->pdev->device) {
> @@ -5405,8 +5407,8 @@ static int megasas_probe_one(struct pci_dev *pdev,
>
> return 0;
>
> - fail_start_aen:
> - fail_io_attach:
> +fail_start_aen:
> +fail_io_attach:
> megasas_mgmt_info.count--;
> megasas_mgmt_info.instance[megasas_mgmt_info.max_index] =
> NULL;
> megasas_mgmt_info.max_index--;
> @@ -5424,7 +5426,7 @@ static int megasas_probe_one(struct pci_dev *pdev,
> if (instance->msix_vectors)
> pci_disable_msix(instance->pdev);
> fail_init_mfi:
> - fail_alloc_dma_buf:
> +fail_alloc_dma_buf:
> if (instance->evt_detail)
> pci_free_consistent(pdev, sizeof(struct megasas_evt_detail),
> instance->evt_detail,
> @@ -5438,8 +5440,8 @@ fail_init_mfi:
> instance->consumer_h);
> scsi_host_put(host);
>
> - fail_alloc_instance:
> - fail_set_dma_mask:
> +fail_alloc_instance:
> +fail_set_dma_mask:
> pci_disable_device(pdev);
>
> return -ENODEV;
> @@ -5481,8 +5483,6 @@ static void megasas_flush_cache(struct
> megasas_instance *instance)
> " from %s\n", __func__);
>
> megasas_return_cmd(instance, cmd);
> -
> - return;
> }
>
> /**
> @@ -5528,8 +5528,6 @@ static void megasas_shutdown_controller(struct
> megasas_instance *instance,
> "from %s\n", __func__);
>
> megasas_return_cmd(instance, cmd);
> -
> - return;
> }
>
> #ifdef CONFIG_PM
> @@ -5835,8 +5833,6 @@ static void megasas_detach_one(struct pci_dev
> *pdev)
> scsi_host_put(host);
>
> pci_disable_device(pdev);
> -
> - return;
> }
>
> /**
> @@ -5905,11 +5901,11 @@ static unsigned int megasas_mgmt_poll(struct file
> *file, poll_table *wait) {
> unsigned int mask;
> unsigned long flags;
> +
> poll_wait(file, &megasas_poll_wait, wait);
> spin_lock_irqsave(&poll_aen_lock, flags);
> if (megasas_poll_wait_aen)
> - mask = (POLLIN | POLLRDNORM);
> -
> + mask = (POLLIN | POLLRDNORM);
> else
> mask = 0;
> megasas_poll_wait_aen = 0;
> @@ -5923,8 +5919,7 @@ static unsigned int megasas_mgmt_poll(struct file
> *file, poll_table *wait)
> * @cmd: MFI command frame
> */
>
> -static int megasas_set_crash_dump_params_ioctl(
> - struct megasas_cmd *cmd)
> +static int megasas_set_crash_dump_params_ioctl(struct megasas_cmd *cmd)
> {
> struct megasas_instance *local_instance;
> int i, error = 0;
> @@ -6120,7 +6115,7 @@ megasas_mgmt_fw_ioctl(struct megasas_instance
> *instance,
> error = -EFAULT;
> }
>
> - out:
> +out:
> if (sense) {
> dma_free_coherent(&instance->pdev->dev, ioc->sense_len,
> sense, sense_handle);
> @@ -6220,10 +6215,10 @@ static int megasas_mgmt_ioctl_fw(struct file
> *file,
> unsigned long arg)
> spin_unlock_irqrestore(&instance->hba_lock, flags);
>
> error = megasas_mgmt_fw_ioctl(instance, user_ioc, ioc);
> - out_up:
> +out_up:
> up(&instance->ioctl_sem);
>
> - out_kfree_ioc:
> +out_kfree_ioc:
> kfree(ioc);
> return error;
> }
> @@ -6458,7 +6453,8 @@ static ssize_t
> megasas_sysfs_set_dbg_lvl(struct device_driver *dd, const char *buf,
> size_t
> count) {
> int retval = count;
> - if(sscanf(buf,"%u",&megasas_dbg_lvl)<1){
> +
> + if (sscanf(buf,"%u",&megasas_dbg_lvl) < 1) {
> printk(KERN_ERR "megasas: could not set dbg_lvl\n");
> retval = -EINVAL;
> }
> @@ -6520,14 +6516,12 @@ megasas_aen_polling(struct work_struct *work)
> pd_index =
> (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j;
>
> - sdev1 =
> - scsi_device_lookup(host, i, j, 0);
> + sdev1 = scsi_device_lookup(host, i, j, 0);
>
> if (instance->pd_list[pd_index].driveState
> == MR_PD_STATE_SYSTEM) {
> - if (!sdev1) {
> + if (!sdev1)
> scsi_add_device(host, i, j, 0);
> - }
>
> if (sdev1)
> scsi_device_put(sdev1);
> @@ -6548,14 +6542,12 @@ megasas_aen_polling(struct work_struct *work)
> pd_index =
> (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j;
>
> - sdev1 =
> - scsi_device_lookup(host, i, j, 0);
> + sdev1 = scsi_device_lookup(host, i, j, 0);
>
> if (instance->pd_list[pd_index].driveState
> == MR_PD_STATE_SYSTEM) {
> - if (sdev1) {
> + if (sdev1)
> scsi_device_put(sdev1);
> - }
> } else {
> if (sdev1) {
> scsi_remove_device(sdev1);
> @@ -6701,7 +6693,7 @@ megasas_aen_polling(struct work_struct *work)
> }
> }
>
> - if ( instance->aen_cmd != NULL ) {
> + if (instance->aen_cmd != NULL) {
> kfree(ev);
> return ;
> }
Acked-by: Sumit Saxena <sumit.saxena@...gotech.com>
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