Re: [PATCH 1/3] megaraid_sas: Convert dev_printk to dev_<level>

From: Weidong Wang
Date: Tue Oct 27 2015 - 22:00:17 EST


On 2015/10/28 3:35, Joe Perches wrote:
> On Tue, 2015-10-27 at 16:26 +0800, Weidong Wang wrote:
>> Reduce object size a little by using dev_<level>
>> calls instead of dev_printk(KERN_<LEVEL>.
>
> This is also not the same output.
>
> dev_printk(KERN_DEBUG vs dev_dbg has the same
> behavior as printk(KERN_DEBUG vs pr_debug
>

yep, You are right.

As Kashyap said, these two patches(Covert [dev_]printk to [dev|pr]_<level>) may
introduced conflicts to their working for megaraid_sas.
So just ignore these two patches.

Regards,
Weidong

>> diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
> []
>> @@ -1884,7 +1884,7 @@ static int megasas_get_ld_vf_affiliation_111(struct megasas_instance *instance,
>> cmd = megasas_get_cmd(instance);
>>
>> if (!cmd) {
>> - dev_printk(KERN_DEBUG, &instance->pdev->dev, "megasas_get_ld_vf_affiliation_111:"
>> + dev_dbg(&instance->pdev->dev, "megasas_get_ld_vf_affiliation_111:"
>> "Failed to get cmd for scsi%d\n",
>> instance->host->host_no);
>> return -ENOMEM;
> []
>> @@ -5243,7 +5243,7 @@ static int megasas_probe_one(struct pci_dev *pdev,
>> &instance->consumer_h);
>>
>> if (!instance->producer || !instance->consumer) {
>> - dev_printk(KERN_DEBUG, &pdev->dev, "Failed to allocate"
>> + dev_dbg(&pdev->dev, "Failed to allocate"
>> "memory for producer, consumer\n");
>
> Note the lack of a space between coalesced string segment words.
> That's one of the reasons to coalesce them.
>
>
>
> .
>


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