On 8/18/21 10:08 PM, Biju Das wrote:

The register for retrieving TX counters is present only on R-Car Gen3
and RZ/G2L; it is not present on R-Car Gen2.

Add the tx_counters hw feature bit to struct ravb_hw_info, to enable this
feature specifically for R-Car Gen3 now and later extend it to RZ/G2L.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
---
v2->v3:
 * Retained Rb tag from Andrew, since change is just renaming the variable
   and comment update.
v2:
 * Incorporated Andrew and Sergei's review comments for making it smaller patch
   and provided detailed description.

[...]

Reviewed-by: Sergey Shtylyov <redacted>

[...]

MBR, Sergey