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From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
To: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>
Cc: linux-usb@vger.kernel.org,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Sven Peter" <sven@svenpeter.dev>,
	"Guido Günther" <agx@sigxcpu.org>,
	"Angus Ainslie" <angus@akkea.ca>,
	"Hector Martin" <marcan@marcan.st>,
	"Bryan O'Donoghue" <bryan.odonoghue@linaro.org>,
	linux-kernel@vger.kernel.org, kernel@puri.sm
Subject: Re: [PATCH 7/7] usb: typec: tipd: Fail probe when the controller is in BOOT mode
Date: Mon, 4 Apr 2022 17:04:48 +0300	[thread overview]
Message-ID: <Ykr7ABCxR9ocVozc@kuha.fi.intel.com> (raw)
In-Reply-To: <20220317154518.4082046-8-sebastian.krzyszkowiak@puri.sm>

On Thu, Mar 17, 2022 at 04:45:18PM +0100, Sebastian Krzyszkowiak wrote:
> BOOT mode means that the device isn't operational because of missing
> firmware, so there's no reason to try to continue in this condition
> (probe will fail in a different place anyway).
> 
> Aside of that, the warning that used to be emited about "dead-battery
> condition" was misleading, as dead-battery condition is a different
> thing that's unrelated to operation mode.
> 
> Therefore, assume that BOOT mode is not a supported mode of operation.
> 
> Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>

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

> ---
>  drivers/usb/typec/tipd/core.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c
> index d3c70aaf1a0c..c818cc40139d 100644
> --- a/drivers/usb/typec/tipd/core.c
> +++ b/drivers/usb/typec/tipd/core.c
> @@ -729,8 +729,6 @@ static int tps6598x_check_mode(struct tps6598x *tps)
>  	case TPS_MODE_APP:
>  		return 0;
>  	case TPS_MODE_BOOT:
> -		dev_warn(tps->dev, "dead-battery condition\n");
> -		return 0;
>  	case TPS_MODE_BIST:
>  	case TPS_MODE_DISC:
>  	default:
> -- 
> 2.35.1

thanks,

-- 
heikki

  reply	other threads:[~2022-04-04 14:04 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-17 15:45 [PATCH 0/7] TPS6598x PD tracing and other improvements Sebastian Krzyszkowiak
2022-03-17 15:45 ` [PATCH 1/7] usb: typec: tipd: Only update power status on IRQ Sebastian Krzyszkowiak
2022-04-04 13:22   ` Heikki Krogerus
2022-03-17 15:45 ` [PATCH 2/7] usb: typec: tipd: set the data role on tps IRQ Sebastian Krzyszkowiak
2022-04-04 13:29   ` Heikki Krogerus
2022-03-17 15:45 ` [PATCH 3/7] usb: typec: tipd: Add trace event for SINK PD contract Sebastian Krzyszkowiak
2022-04-04 13:42   ` Heikki Krogerus
2022-03-17 15:45 ` [PATCH 4/7] usb: typec: tipd: Provide POWER_SUPPLY_PROP_{CURRENT,VOLTAGE}_MAX Sebastian Krzyszkowiak
2022-04-04 13:57   ` Heikki Krogerus
2022-03-17 15:45 ` [PATCH 5/7] usb: typec: tipd: Provide POWER_SUPPLY_PROP_PRESENT Sebastian Krzyszkowiak
2022-04-04 13:59   ` Heikki Krogerus
2022-03-17 15:45 ` [PATCH 6/7] usb: typec: tipd: Add debugfs entries for customer use word Sebastian Krzyszkowiak
2022-04-04 14:03   ` Heikki Krogerus
2022-03-17 15:45 ` [PATCH 7/7] usb: typec: tipd: Fail probe when the controller is in BOOT mode Sebastian Krzyszkowiak
2022-04-04 14:04   ` Heikki Krogerus [this message]
2022-04-01 13:49 ` [PATCH 0/7] TPS6598x PD tracing and other improvements Heikki Krogerus

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