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From: Sergei Shtylyov <sergei.shtylyov@gmail.com>
To: Heikki Krogerus <heikki.krogerus@linux.intel.com>,
	Prashant Malani <pmalani@chromium.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Benson Leung <bleung@chromium.org>,
	Tzung-Bi Shih <tzungbi@kernel.org>,
	Guenter Roeck <groeck@chromium.org>,
	Emilie Roberts <hadrosaur@google.com>,
	"Nyman, Mathias" <mathias.nyman@intel.com>,
	"Regupathy, Rajaram" <rajaram.regupathy@intel.com>,
	"Radjacoumar, Shyam Sundar" <ssradjacoumar@google.com>,
	Samuel Jacob <samjaco@google.com>,
	linux-usb@vger.kernel.org, chrome-platform@lists.linux.dev,
	linux-kernel@vger.kernel.org, Uday Bhat <uday.m.bhat@intel.com>
Subject: Re: [PATCH 2/2] platform/chrome: cros_ec_typec: Make sure the USB role switch has PLD
Date: Wed, 7 Feb 2024 22:14:54 +0300	[thread overview]
Message-ID: <338756c8-af83-c023-c5b7-757d57c76fa2@gmail.com> (raw)
In-Reply-To: <20240207145851.1603237-3-heikki.krogerus@linux.intel.com>

On 2/7/24 5:58 PM, Heikki Krogerus wrote:

> The USB role switch does not always have the _PLD (Physical
> Location of Device) in ACPI tables. If it's missing,
> assigning the PLD hash of the port to the switch. That
> should guarantee that the USB Type-C port mapping code is
> always able to find the connection between the two (the port
> and the switch).
> 
> Tested-by: Uday Bhat <uday.m.bhat@intel.com>
> Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
> ---
>  drivers/platform/chrome/cros_ec_typec.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
> index 2b2f14a1b711..5c14e8db08b5 100644
> --- a/drivers/platform/chrome/cros_ec_typec.c
> +++ b/drivers/platform/chrome/cros_ec_typec.c
[...]
> @@ -66,6 +67,16 @@ static int cros_typec_parse_port_props(struct typec_capability *cap,
>  		cap->prefer_role = ret;
>  	}
>  
> +	/* Assing the USB role switch the correct pld_crc if it's missing. */

   Doing what?! :-P Maybe assign?

[...]

MBR, Sergey

  reply	other threads:[~2024-02-07 19:14 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-07 14:58 [PATCH 0/2] platform/chrome: typec: xHCI DbC Heikki Krogerus
2024-02-07 14:58 ` [PATCH 1/2] usb: roles: Link the switch to its connector Heikki Krogerus
2024-02-07 14:58 ` [PATCH 2/2] platform/chrome: cros_ec_typec: Make sure the USB role switch has PLD Heikki Krogerus
2024-02-07 19:14   ` Sergei Shtylyov [this message]
2024-02-07 22:52   ` kernel test robot
2024-02-08  4:07   ` kernel test robot
2024-02-08  9:12     ` Heikki Krogerus
2024-02-08 18:14   ` Prashant Malani

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