[PATCH 06/19] coresight: trbe: Refactor syndrome decoding

[Leo Yan]

On Tue, Dec 02, 2025 at 11:06:48AM +0000, Suzuki K Poulose wrote:
> Hi Leo
> 
> A couple of minor nits below. Otherwise looks like a nice cleanup
> 
> 
> On 01/12/2025 11:21, Leo Yan wrote:
> > It gives priority to TRBSR_EL1.EA (external abort); an external abort
> > will immediately bail out and return an error.
> > 
> > Next, the syndrome decoding is refactored based on two levels of
> > information: the EC (Event Class) bits and the BSC (Trace Buffer Status
> > Code) bits.
> > 
> > If TRBSR_EL1.EC==0b000000, the driver continues parsing TRBSR_EL1.BSC to
> > identify the specific trace buffer event.  Otherwise, any non-zero
> > TRBSR_EL1.EC is treated as an error.
> > 
> > For error cases, the driver prints an error string and dumps registers
> > for debugging.
> 
> minor nit: Please avoid describing the code, which cod does well.
> Briefly mention what you are doing, giving any additional contexts
> that may not be evident from the code.

Sure, I will note this later.

> e.g:
> 
> "Add support for decoding the syndrome for TRBE, providing a verbose
> description of the code for Fatal/unhandled events.
> While at it add the new definitions from the latest Arm ARM for
> EC and BSC"

Will do this and followed comment.  Thanks for suggestion!

Leo