[PATCH 3/3] coresight etm4x: Add pr_debug statement for Coresight component PID/CID

Russell King (Oracle) linux at armlinux.org.uk
Fri Jan 20 04:40:51 PST 2023


On Fri, Jan 20, 2023 at 11:23:53AM +0000, Suzuki K Poulose wrote:
> 
> Cc: Russell
> 
> nit: Subject line doesn't match the patch. This could be :
> 
>  "amba: bus: Add pr_debug for AMBA PID/CID"
> 
> On 20/01/2023 00:51, Steve Clevenger wrote:
> > Add pr_debug statement to provide visibility into Coresight component PID
> > and CID settings. This helped debug an intermittent clock related issue
> > resulting in bad PID/CID values.
> 
> And this change belongs to the AMBA subsystem. Please run :
> 
> scripts/get_maintainer.pl on your patch and add the necessary people from
> that list for your patch.
> 
> As such, I don't think brings any value to be added to the tree.
> I will leave it for the maintainers to comment.

Looking at the context in this patch, I see code that is reading at
least the CID but likely also the PID from the device, duplicating
the code that is already in the bus layer, and stored in the
amba_device's periphid and cid members...

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