Re: [PATCH v1 1/1] usb: typec: tipd: Restore generic TPS6598x contract interrupts

[Heikki Krogerus <heikki.krogerus@linux.intel.com>]

Wed, Apr 01, 2026 at 08:09:50PM -0400, Vincent Cloutier kirjoitti:
> From: Vincent Cloutier <vincent@cloutier.co>
> 
> The generic TPS6598x interrupt handler still relies on
> PP_SWITCH_CHANGED, NEW_CONTRACT_AS_CONSUMER, HARD_RESET, and
> STATUS_UPDATE, but the irq_mask1 refactor only kept
> POWER_STATUS_UPDATE, DATA_STATUS_UPDATE, and PLUG_EVENT in
> tps6598x_data.
> 
> On the librem5 that leaves PD partners stuck at the 500 mA fallback
> because the active contract is never refreshed after attach.
> 
> Restore the missing interrupt bits so the existing handler paths are
> reachable again. This fixes USB-C charging negotiation on the librem5:
> after a replug the TPS6598x source power supply reports 3 A instead of
> 500 mA and the BQ25890 input limit follows suit.
> 
> Fixes: b3dddff502c5 ("usb: typec: tipd: Move initial irq mask to tipd_data")
> Cc: stable@vger.kernel.org
> Signed-off-by: Vincent Cloutier <vincent@cloutier.co>

Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>

> ---
>  drivers/usb/typec/tipd/core.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c
> index 84ee5687bb27..83f2fec6e34e 100644
> --- a/drivers/usb/typec/tipd/core.c
> +++ b/drivers/usb/typec/tipd/core.c
> @@ -2395,7 +2395,11 @@ static const struct tipd_data tps6598x_data = {
>  	.irq_handler = tps6598x_interrupt,
>  	.irq_mask1 = TPS_REG_INT_POWER_STATUS_UPDATE |
>  		     TPS_REG_INT_DATA_STATUS_UPDATE |
> -		     TPS_REG_INT_PLUG_EVENT,
> +		     TPS_REG_INT_PLUG_EVENT |
> +		     TPS_REG_INT_PP_SWITCH_CHANGED |
> +		     TPS_REG_INT_NEW_CONTRACT_AS_CONSUMER |
> +		     TPS_REG_INT_HARD_RESET |
> +		     TPS_REG_INT_STATUS_UPDATE,
>  	.tps_struct_size = sizeof(struct tps6598x),
>  	.register_port = tps6598x_register_port,
>  	.unregister_port = tps6598x_unregister_port,

-- 
heikki