On 5/4/22 5:54 PM, Phil Edworthy wrote:
> When the HW has a single interrupt, the driver currently uses the
> PTME (Presentation Time Match Enable) bit in the GIC register to
> enable/disable the PTM irq. Otherwise, it uses the GIE/GID registers.
>
> However, other SoCs, e.g. RZ/V2M, have multiple irqs and use the GIC
> register PTME bit, so separate it out as it's own feature.
>
> Signed-off-by: Phil Edworthy <phil.edworthy@xxxxxxxxxxx>
> Reviewed-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> ---
> drivers/net/ethernet/renesas/ravb.h | 1 +
> drivers/net/ethernet/renesas/ravb_main.c | 1 +
> drivers/net/ethernet/renesas/ravb_ptp.c | 4 ++--
> 3 files changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h
> index 08062d73df10..15aa09d93ff0 100644
> --- a/drivers/net/ethernet/renesas/ravb.h
> +++ b/drivers/net/ethernet/renesas/ravb.h
> @@ -1029,6 +1029,7 @@ struct ravb_hw_info {
> unsigned multi_irqs:1; /* AVB-DMAC and E-MAC has multiple irqs */
> unsigned gptp:1; /* AVB-DMAC has gPTP support */
> unsigned ccc_gac:1; /* AVB-DMAC has gPTP support active in config mode */
> + unsigned gptp_ptm_gic:1; /* gPTP enables Presentation Time Match irq via GIC */
I think this needs to be controlled by the 'irq_en_dis' feature bit from the patch #4.
[...]
MBR, Sergey
