On Tue, Feb 15, 2011 at 3:56 PM, Sergei Shtylyov <sshtylyov@xxxxxxxxxx> wrote:
> On 15-02-2011 16:44, 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@xxxxxxxxx>
>>>> ---
>>>> Âarch/arm/mach-omap2/iommu2.c | Â Â6 +++---
>>>> Â1 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)
>>>> Â Â Â Âda = iommu_read_reg(obj, MMU_FAULT_AD);
>>>> Â Â Â Â*ra = da;
>>>>
>>>> - Â Â Â dev_err(obj->dev, "%s:\tda:%08x ", __func__, da);
>>>> + Â Â Â dev_dbg(obj->dev, "%s:\tda:%08x ", __func__, da);
>
>>> Â Note that dev_dbg() will only print something if either DEBUG or
>>> CONFIG_DYNAMIC_DEBUG are defined...
>
>> That's my plan.
>
>>>> Â Â Â Âfor (i = 0; i < ARRAY_SIZE(err_msg); i++) {
>>>> Â Â Â Â Â Â Â Âif (stat& Â(1<< Â Âi))
>>>> - Â Â Â Â Â Â Â Â Â Â Â printk("%s ", err_msg[i]);
>>>> + Â Â Â Â Â Â Â Â Â Â Â printk(KERN_DEBUG "%s ", err_msg[i]);
>
>>> Â ... unlike printk(KERN_DEBUG...). You probably want to use pr_debug()
>>> instead.
>
>>>> Â Â Â Â}
>>>> - Â Â Â printk("\n");
>>>> + Â Â Â printk(KERN_DEBUG "\n");
>
>>> Â 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.
>
> Â This won't play out correctly anyway. If DEBUG is not #define'd, the
> beginning of line won't be printed but the continuations will. You just
> can't do it correctly with dev_dbg(), unless you break the single line into
> several ones.
Yes, I got this situation. I'm coming with a proper solution on next version.
Br,
David
>
>> Regards,
>
>> David
>
> WBR, Sergei
>
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