[PATCH 1/2] OMAP2+: IOMMU: change OMAP2+ error message to dev_dbg()

Russell King - ARM Linux linux at arm.linux.org.uk
Tue Feb 15 09:29:23 EST 2011


On Tue, Feb 15, 2011 at 04:38:32PM +0300, Sergei Shtylyov wrote:
>> diff --git a/arch/arm/mach-omap2/iommu2.c b/arch/arm/mach-omap2/iommu2.c
>> index 14ee686..4244a07 100644
>> --- a/arch/arm/mach-omap2/iommu2.c
>> +++ b/arch/arm/mach-omap2/iommu2.c
>> @@ -163,13 +163,13 @@ static u32 omap2_iommu_fault_isr(struct iommu *obj, u32 *ra)
>>   	da = iommu_read_reg(obj, MMU_FAULT_AD);
>>   	*ra = da;
>>
>> -	dev_err(obj->dev, "%s:\tda:%08x ", __func__, da);
>> +	dev_dbg(obj->dev, "%s:\tda:%08x ", __func__, da);
>
>    Note that dev_dbg() will only print something if either DEBUG or  
> CONFIG_DYNAMIC_DEBUG are defined...
>
>>
>>   	for (i = 0; i<  ARRAY_SIZE(err_msg); i++) {
>>   		if (stat & (1<<  i))
>> -			printk("%s ", err_msg[i]);
>> +			printk(KERN_DEBUG "%s ", err_msg[i]);
>
>    ... unlike printk(KERN_DEBUG...). You probably want to use pr_debug() instead.

No - this isn't starting a new line.  pr_cont() here.

>>   	}
>> -	printk("\n");
>> +	printk(KERN_DEBUG "\n");
>
>    Here too... Although wait, it should be KERN_CONT instead! Debug 
> levels are only attributed to the whole lines.

And pr_cont() here too.  If you care about using KERN_CONT which is
just a static marker to allow automated printk level checking easier.



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