linux-kernel - Re: [PATCH 2/3] ibmvscsi: display default value for max_id, max_lun and max

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Message-ID: <201511032311.k8NxnHC1%fengguang.wu@intel.com>
Date:	Tue, 3 Nov 2015 23:58:01 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Laurent Vivier <lvivier@...hat.com>
Cc:	kbuild-all@...org, martin.petersen@...cle.com,
	brking@...ux.vnet.ibm.com, tyreld@...ux.vnet.ibm.com,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	lvivier@...hat.com
Subject: Re: [PATCH 2/3] ibmvscsi: display default value for max_id, max_lun
 and max_channel.

Hi Laurent,

[auto build test WARNING on scsi/for-next]
[also WARNING on: v4.3 next-20151103]

url:    https://github.com/0day-ci/linux/commits/Laurent-Vivier/ibmvscsi-make-parameters-max_id-and-max_channel-read-only/20151103-223706
base:   https://github.com/0day-ci/linux Laurent-Vivier/ibmvscsi-make-parameters-max_id-and-max_channel-read-only/20151103-223706
config: powerpc-defconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=powerpc 

All warnings (new ones prefixed by >>):

   In file included from include/linux/dma-mapping.h:5:0,
                    from drivers/scsi/ibmvscsi/ibmvscsi.c:65:
   drivers/scsi/ibmvscsi/ibmvscsi.c: In function 'ibmvscsi_probe':
>> drivers/scsi/ibmvscsi/ibmvscsi.c:2298:4: warning: format '%d' expects argument of type 'int', but argument 4 has type 'u64 {aka long long unsigned int}' [-Wformat=]
       "Maximum ID: %d Maximum LUN: %d Maximum Channel: %d\n",
       ^
   include/linux/device.h:1166:51: note: in definition of macro 'dev_info'
    #define dev_info(dev, fmt, arg...) _dev_info(dev, fmt, ##arg)
                                                      ^

vim +2298 drivers/scsi/ibmvscsi/ibmvscsi.c

  2282		rc = ibmvscsi_init_crq_queue(&hostdata->queue, hostdata, max_events);
  2283		if (rc != 0 && rc != H_RESOURCE) {
  2284			dev_err(&vdev->dev, "couldn't initialize crq. rc=%d\n", rc);
  2285			goto kill_kthread;
  2286		}
  2287		if (initialize_event_pool(&hostdata->pool, max_events, hostdata) != 0) {
  2288			dev_err(&vdev->dev, "couldn't initialize event pool\n");
  2289			goto init_pool_failed;
  2290		}
  2291	
  2292		host->max_lun = 8;
  2293		host->max_id = max_id;
  2294		host->max_channel = max_channel;
  2295		host->max_cmd_len = 16;
  2296	
  2297		dev_info(dev,
> 2298			 "Maximum ID: %d Maximum LUN: %d Maximum Channel: %d\n",
  2299			 host->max_id, host->max_lun, host->max_channel);
  2300	
  2301		if (scsi_add_host(hostdata->host, hostdata->dev))
  2302			goto add_host_failed;
  2303	
  2304		/* we don't have a proper target_port_id so let's use the fake one */
  2305		memcpy(ids.port_id, hostdata->madapter_info.partition_name,
  2306		       sizeof(ids.port_id));

---
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