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

David Cohen dacohen at gmail.com
Tue Feb 15 08:44:27 EST 2011


On Tue, Feb 15, 2011 at 3:38 PM, Sergei Shtylyov <sshtylyov at mvista.com> wrote:
> Hello.

Hi,

>
> On 15-02-2011 16:20, David Cohen wrote:
>
>> IOMMU upper layer is already printing error message. OMAP2+ specific
>> layer may print error message only for debug purpose.
>
>> Signed-off-by: David Cohen<dacohen at gmail.com>
>> ---
>>  arch/arm/mach-omap2/iommu2.c |    6 +++---
>>  1 files changed, 3 insertions(+), 3 deletions(-)
>>
>> 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...

That's my plan.

>
>>
>>        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.
>
>>        }
>> -       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.

But your observation is correct. I'll resend it with KERN_CONT instead.

Regards,

David

>
> WBR, Sergei
>



More information about the linux-arm-kernel mailing list