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Date: Wed, 29 Apr 2015 11:02:56 +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>,
"James E.J. Bottomley" <JBottomley@...n.com>,
linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: RE: [PATCH 1/3] megaraid: use dev_printk when possible
>-----Original Message-----
>From: Bjorn Helgaas [mailto:bhelgaas@...gle.com]
>Sent: Wednesday, April 29, 2015 4:44 AM
>To: Kashyap Desai; Uday Lingala; Sumit Saxena
>Cc: megaraidlinux.pdl@...gotech.com; James E.J. Bottomley; linux-
>kernel@...r.kernel.org; linux-scsi@...r.kernel.org
>Subject: [PATCH 1/3] megaraid: use dev_printk when possible
>
>Use dev_printk() when possible to make messages more useful.
>
>Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
>---
> drivers/scsi/megaraid.c | 92
> ++++++++++++++++++++++-----------------------
>--
> 1 file changed, 43 insertions(+), 49 deletions(-)
>
>diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index
>bc7b34c..47cda02 100644
>--- a/drivers/scsi/megaraid.c
>+++ b/drivers/scsi/megaraid.c
>@@ -268,7 +268,7 @@ mega_query_adapter(adapter_t *adapter)
> raw_mbox[2] = NC_SUBOP_PRODUCT_INFO; /* i.e. 0x0E */
>
> if ((retval = issue_scb_block(adapter, raw_mbox)))
>- printk(KERN_WARNING
>+ dev_warn(&adapter->dev->dev,
> "megaraid: Product_info cmd failed with error: %d\n",
> retval);
>
>@@ -334,7 +334,7 @@ mega_query_adapter(adapter_t *adapter)
> adapter->bios_version[4] = 0;
> }
>
>- printk(KERN_NOTICE "megaraid: [%s:%s] detected %d logical
>drives.\n",
>+ dev_notice(&adapter->dev->dev, "[%s:%s] detected %d logical
>+drives.\n",
> adapter->fw_version, adapter->bios_version, adapter-
>>numldrv);
>
> /*
>@@ -342,7 +342,7 @@ mega_query_adapter(adapter_t *adapter)
> */
> adapter->support_ext_cdb = mega_support_ext_cdb(adapter);
> if (adapter->support_ext_cdb)
>- printk(KERN_NOTICE "megaraid: supports extended
>CDBs.\n");
>+ dev_notice(&adapter->dev->dev, "supports extended
>CDBs.\n");
>
>
> return 0;
>@@ -678,7 +678,7 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd
>*cmd, int *busy)
>
> if(!(adapter->flag & (1L << cmd->device->channel))) {
>
>- printk(KERN_NOTICE
>+ dev_notice(&adapter->dev->dev,
> "scsi%d: scanning scsi channel %d ",
> adapter->host->host_no,
> cmd->device->channel);
>@@ -983,7 +983,7 @@ mega_prepare_passthru(adapter_t *adapter, scb_t
>*scb, Scsi_Cmnd *cmd,
> case READ_CAPACITY:
> if(!(adapter->flag & (1L << cmd->device->channel))) {
>
>- printk(KERN_NOTICE
>+ dev_notice(&adapter->dev->dev,
> "scsi%d: scanning scsi channel %d [P%d] ",
> adapter->host->host_no,
> cmd->device->channel, channel);
>@@ -1045,7 +1045,7 @@ mega_prepare_extpassthru(adapter_t *adapter,
>scb_t *scb, Scsi_Cmnd *cmd,
> case READ_CAPACITY:
> if(!(adapter->flag & (1L << cmd->device->channel))) {
>
>- printk(KERN_NOTICE
>+ dev_notice(&adapter->dev->dev,
> "scsi%d: scanning scsi channel %d [P%d] ",
> adapter->host->host_no,
> cmd->device->channel, channel);
>@@ -1241,7 +1241,7 @@ issue_scb_block(adapter_t *adapter, u_char
>*raw_mbox)
> return mbox->m_in.status;
>
> bug_blocked_mailbox:
>- printk(KERN_WARNING "megaraid: Blocked mailbox......!!\n");
>+ dev_warn(&adapter->dev->dev, "Blocked mailbox......!!\n");
> udelay (1000);
> return -1;
> }
>@@ -1454,7 +1454,7 @@ mega_cmd_done(adapter_t *adapter, u8
>completed[], int nstatus, int status)
> * Make sure f/w has completed a valid command
> */
> if( !(scb->state & SCB_ISSUED) || scb->cmd == NULL )
>{
>- printk(KERN_CRIT
>+ dev_crit(&adapter->dev->dev,
> "megaraid: invalid command ");
> printk("Id %d, scb->state:%x, scsi cmd:%p\n",
> cmdid, scb->state, scb->cmd);
>@@ -1467,7 +1467,7 @@ mega_cmd_done(adapter_t *adapter, u8
>completed[], int nstatus, int status)
> */
> if( scb->state & SCB_ABORT ) {
>
>- printk(KERN_WARNING
>+ dev_warn(&adapter->dev->dev,
> "megaraid: aborted cmd [%x] complete.\n",
> scb->idx);
>
>@@ -1486,7 +1486,7 @@ mega_cmd_done(adapter_t *adapter, u8
>completed[], int nstatus, int status)
> */
> if( scb->state & SCB_RESET ) {
>
>- printk(KERN_WARNING
>+ dev_warn(&adapter->dev->dev,
> "megaraid: reset cmd [%x] complete.\n",
> scb->idx);
>
>@@ -1553,7 +1553,7 @@ mega_cmd_done(adapter_t *adapter, u8
>completed[], int nstatus, int status)
> if( sg_page(sgl) ) {
> c = *(unsigned char *) sg_virt(&sgl[0]);
> } else {
>- printk(KERN_WARNING
>+ dev_warn(&adapter->dev->dev,
> "megaraid: invalid sg.\n");
> c = 0;
> }
>@@ -1902,11 +1902,10 @@ megaraid_reset(struct scsi_cmnd *cmd)
> mc.opcode = MEGA_RESET_RESERVATIONS;
>
> if( mega_internal_command(adapter, &mc, NULL) != 0 ) {
>- printk(KERN_WARNING
>- "megaraid: reservation reset failed.\n");
>+ dev_warn(&adapter->dev->dev, "reservation reset
>failed.\n");
> }
> else {
>- printk(KERN_INFO "megaraid: reservation reset.\n");
>+ dev_info(&adapter->dev->dev, "reservation reset.\n");
> }
> #endif
>
>@@ -1939,7 +1938,7 @@ megaraid_abort_and_reset(adapter_t *adapter,
>Scsi_Cmnd *cmd, int aor)
> struct list_head *pos, *next;
> scb_t *scb;
>
>- printk(KERN_WARNING "megaraid: %s cmd=%x <c=%d t=%d
>l=%d>\n",
>+ dev_warn(&adapter->dev->dev, "%s cmd=%x <c=%d t=%d l=%d>\n",
> (aor == SCB_ABORT)? "ABORTING":"RESET",
> cmd->cmnd[0], cmd->device->channel,
> cmd->device->id, (u32)cmd->device->lun); @@ -1963,7 +1962,7
>@@ megaraid_abort_and_reset(adapter_t *adapter, Scsi_Cmnd *cmd, int
>aor)
> */
> if( scb->state & SCB_ISSUED ) {
>
>- printk(KERN_WARNING
>+ dev_warn(&adapter->dev->dev,
> "megaraid: %s[%x], fw owner.\n",
> (aor==SCB_ABORT) ?
>"ABORTING":"RESET",
> scb->idx);
>@@ -1976,7 +1975,7 @@ megaraid_abort_and_reset(adapter_t *adapter,
>Scsi_Cmnd *cmd, int aor)
> * Not yet issued! Remove from the pending
> * list
> */
>- printk(KERN_WARNING
>+ dev_warn(&adapter->dev->dev,
> "megaraid: %s-[%x], driver owner.\n",
> (aor==SCB_ABORT) ?
>"ABORTING":"RESET",
> scb->idx);
>@@ -2197,7 +2196,7 @@ proc_show_rebuild_rate(struct seq_file *m, void
>*v)
>
> if( mega_adapinq(adapter, dma_handle) != 0 ) {
> seq_puts(m, "Adapter inquiry failed.\n");
>- printk(KERN_WARNING "megaraid: inquiry failed.\n");
>+ dev_warn(&adapter->dev->dev, "inquiry failed.\n");
> goto free_inquiry;
> }
>
>@@ -2241,7 +2240,7 @@ proc_show_battery(struct seq_file *m, void *v)
>
> if( mega_adapinq(adapter, dma_handle) != 0 ) {
> seq_puts(m, "Adapter inquiry failed.\n");
>- printk(KERN_WARNING "megaraid: inquiry failed.\n");
>+ dev_warn(&adapter->dev->dev, "inquiry failed.\n");
> goto free_inquiry;
> }
>
>@@ -2350,7 +2349,7 @@ proc_show_pdrv(struct seq_file *m, adapter_t
>*adapter, int channel)
>
> if( mega_adapinq(adapter, dma_handle) != 0 ) {
> seq_puts(m, "Adapter inquiry failed.\n");
>- printk(KERN_WARNING "megaraid: inquiry failed.\n");
>+ dev_warn(&adapter->dev->dev, "inquiry failed.\n");
> goto free_inquiry;
> }
>
>@@ -2525,7 +2524,7 @@ proc_show_rdrv(struct seq_file *m, adapter_t
>*adapter, int start, int end )
>
> if( mega_adapinq(adapter, dma_handle) != 0 ) {
> seq_puts(m, "Adapter inquiry failed.\n");
>- printk(KERN_WARNING "megaraid: inquiry failed.\n");
>+ dev_warn(&adapter->dev->dev, "inquiry failed.\n");
> goto free_inquiry;
> }
>
>@@ -2799,7 +2798,7 @@ mega_create_proc_entry(int index, struct
>proc_dir_entry *parent)
> dir = adapter->controller_proc_dir_entry =
> proc_mkdir_data(string, 0, parent, adapter);
> if(!dir) {
>- printk(KERN_WARNING "\nmegaraid: proc_mkdir failed\n");
>+ dev_warn(&adapter->dev->dev, "\nproc_mkdir failed\n");
> return;
> }
>
>@@ -2807,7 +2806,7 @@ mega_create_proc_entry(int index, struct
>proc_dir_entry *parent)
> de = proc_create_data(f->name, S_IRUSR, dir,
>&mega_proc_fops,
> f->show);
> if (!de) {
>- printk(KERN_WARNING "\nmegaraid: proc_create
>failed\n");
>+ dev_warn(&adapter->dev->dev, "\nproc_create
>failed\n");
> return;
> }
>
>@@ -2874,7 +2873,7 @@ megaraid_biosparam(struct scsi_device *sdev,
>struct block_device *bdev,
> return rval;
> }
>
>- printk(KERN_INFO
>+ dev_info(&adapter->dev->dev,
> "megaraid: invalid partition on this disk on channel %d\n",
> sdev->channel);
>
>@@ -2936,7 +2935,7 @@ mega_init_scb(adapter_t *adapter)
> scb->sgl = (mega_sglist *)scb->sgl64;
>
> if( !scb->sgl ) {
>- printk(KERN_WARNING "RAID: Can't allocate
>sglist.\n");
>+ dev_warn(&adapter->dev->dev, "RAID: Can't allocate
>sglist.\n");
> mega_free_sgl(adapter);
> return -1;
> }
>@@ -2946,7 +2945,7 @@ mega_init_scb(adapter_t *adapter)
> &scb->pthru_dma_addr);
>
> if( !scb->pthru ) {
>- printk(KERN_WARNING "RAID: Can't allocate
>passthru.\n");
>+ dev_warn(&adapter->dev->dev, "RAID: Can't allocate
>passthru.\n");
> mega_free_sgl(adapter);
> return -1;
> }
>@@ -2956,7 +2955,7 @@ mega_init_scb(adapter_t *adapter)
> &scb->epthru_dma_addr);
>
> if( !scb->epthru ) {
>- printk(KERN_WARNING
>+ dev_warn(&adapter->dev->dev,
> "Can't allocate extended passthru.\n");
> mega_free_sgl(adapter);
> return -1;
>@@ -3154,7 +3153,7 @@ megadev_ioctl(struct file *filep, unsigned int cmd,
>unsigned long arg)
> * Do we support this feature
> */
> if( !adapter->support_random_del ) {
>- printk(KERN_WARNING "megaraid: logdrv ");
>+ dev_warn(&adapter->dev->dev, "logdrv ");
> printk("delete on non-supporting F/W.\n");
>
> return (-EINVAL);
>@@ -3179,7 +3178,7 @@ megadev_ioctl(struct file *filep, unsigned int cmd,
>unsigned long arg)
> if( uioc.uioc_rmbox[0] == MEGA_MBOXCMD_PASSTHRU64 ||
> uioc.uioc_rmbox[0] == MEGA_MBOXCMD_EXTPTHRU
>) {
>
>- printk(KERN_WARNING "megaraid: rejected
>passthru.\n");
>+ dev_warn(&adapter->dev->dev, "rejected
>passthru.\n");
>
> return (-EINVAL);
> }
>@@ -3683,11 +3682,11 @@ mega_enum_raid_scsi(adapter_t *adapter)
>
> for( i = 0; i < adapter->product_info.nchannels; i++ ) {
> if( (adapter->mega_ch_class >> i) & 0x01 ) {
>- printk(KERN_INFO "megaraid: channel[%d] is raid.\n",
>+ dev_info(&adapter->dev->dev, "channel[%d] is
>raid.\n",
> i);
> }
> else {
>- printk(KERN_INFO "megaraid: channel[%d] is scsi.\n",
>+ dev_info(&adapter->dev->dev, "channel[%d] is
>scsi.\n",
> i);
> }
> }
>@@ -3893,7 +3892,7 @@ mega_do_del_logdrv(adapter_t *adapter, int
>logdrv)
>
> /* log this event */
> if(rval) {
>- printk(KERN_WARNING "megaraid: Delete LD-%d failed.",
>logdrv);
>+ dev_warn(&adapter->dev->dev, "Delete LD-%d failed.",
>logdrv);
> return rval;
> }
>
>@@ -4244,11 +4243,8 @@ megaraid_probe_one(struct pci_dev *pdev, const
>struct pci_device_id *id)
> subsysvid = pdev->subsystem_vendor;
> subsysid = pdev->subsystem_device;
>
>- printk(KERN_NOTICE "megaraid: found 0x%4.04x:0x%4.04x:bus %d:",
>- id->vendor, id->device, pci_bus);
>-
>- printk("slot %d:func %d\n",
>- PCI_SLOT(pci_dev_func), PCI_FUNC(pci_dev_func));
>+ dev_notice(&pdev->dev, "found 0x%4.04x:0x%4.04x\n",
>+ id->vendor, id->device);
>
> /* Read the base port and IRQ from PCI */
> mega_baseport = pci_resource_start(pdev, 0); @@ -4259,14 +4255,13
>@@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id
>*id)
> flag |= BOARD_MEMMAP;
>
> if (!request_mem_region(mega_baseport, 128, "megaraid")) {
>- printk(KERN_WARNING "megaraid: mem region
>busy!\n");
>+ dev_warn(&pdev->dev, "mem region busy!\n");
> goto out_disable_device;
> }
>
> mega_baseport = (unsigned long)ioremap(mega_baseport,
>128);
> if (!mega_baseport) {
>- printk(KERN_WARNING
>- "megaraid: could not map hba memory\n");
>+ dev_warn(&pdev->dev, "could not map hba
>memory\n");
> goto out_release_region;
> }
> } else {
>@@ -4285,7 +4280,7 @@ megaraid_probe_one(struct pci_dev *pdev, const
>struct pci_device_id *id)
> adapter = (adapter_t *)host->hostdata;
> memset(adapter, 0, sizeof(adapter_t));
>
>- printk(KERN_NOTICE
>+ dev_notice(&pdev->dev,
> "scsi%d:Found MegaRAID controller at 0x%lx, IRQ:%d\n",
> host->host_no, mega_baseport, irq);
>
>@@ -4323,21 +4318,20 @@ megaraid_probe_one(struct pci_dev *pdev, const
>struct pci_device_id *id)
> adapter->mega_buffer = pci_alloc_consistent(adapter->dev,
> MEGA_BUFFER_SIZE, &adapter->buf_dma_handle);
> if (!adapter->mega_buffer) {
>- printk(KERN_WARNING "megaraid: out of RAM.\n");
>+ dev_warn(&pdev->dev, "out of RAM.\n");
> goto out_host_put;
> }
>
> adapter->scb_list = kmalloc(sizeof(scb_t) * MAX_COMMANDS,
>GFP_KERNEL);
> if (!adapter->scb_list) {
>- printk(KERN_WARNING "megaraid: out of RAM.\n");
>+ dev_warn(&pdev->dev, "out of RAM.\n");
> goto out_free_cmd_buffer;
> }
>
> if (request_irq(irq, (adapter->flag & BOARD_MEMMAP) ?
> megaraid_isr_memmapped :
>megaraid_isr_iomapped,
> IRQF_SHARED, "megaraid", adapter)) {
>- printk(KERN_WARNING
>- "megaraid: Couldn't register IRQ %d!\n", irq);
>+ dev_warn(&pdev->dev, "Couldn't register IRQ %d!\n", irq);
> goto out_free_scb_list;
> }
>
>@@ -4357,7 +4351,7 @@ megaraid_probe_one(struct pci_dev *pdev, const
>struct pci_device_id *id)
> if (!strcmp(adapter->fw_version, "3.00") ||
> !strcmp(adapter->fw_version, "3.01")) {
>
>- printk( KERN_WARNING
>+ dev_warn(&pdev->dev,
> "megaraid: Your card is a Dell PERC "
> "2/SC RAID controller with "
> "firmware\nmegaraid: 3.00 or 3.01. "
>@@ -4390,7 +4384,7 @@ megaraid_probe_one(struct pci_dev *pdev, const
>struct pci_device_id *id)
> if (!strcmp(adapter->fw_version, "H01.07") ||
> !strcmp(adapter->fw_version, "H01.08") ||
> !strcmp(adapter->fw_version, "H01.09") ) {
>- printk(KERN_WARNING
>+ dev_warn(&pdev->dev,
> "megaraid: Firmware H.01.07, "
> "H.01.08, and H.01.09 on 1M/2M "
> "controllers\n"
>@@ -4503,7 +4497,7 @@ megaraid_probe_one(struct pci_dev *pdev, const
>struct pci_device_id *id)
> */
> adapter->has_cluster = mega_support_cluster(adapter);
> if (adapter->has_cluster) {
>- printk(KERN_NOTICE
>+ dev_notice(&pdev->dev,
> "megaraid: Cluster driver, initiator id:%d\n",
> adapter->this_id);
> }
>@@ -4571,7 +4565,7 @@ __megaraid_shutdown(adapter_t *adapter)
> issue_scb_block(adapter, raw_mbox);
>
> if (atomic_read(&adapter->pend_cmds) > 0)
>- printk(KERN_WARNING "megaraid: pending commands!!\n");
>+ dev_warn(&adapter->dev->dev, "pending commands!!\n");
>
> /*
> * Have a delibrate delay to make sure all the caches are
Thanks..
Acked-by: Sumit Saxena <sumit.saxena@...gotech.com>
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