From: Benson Leung <bleung@google.com>
To: Jameson Thies <jthies@google.com>
Cc: heikki.krogerus@linux.intel.com, linux-usb@vger.kernel.org,
pmalani@chromium.org, abhishekpandit@chromium.org,
andersson@kernel.org, dmitry.baryshkov@linaro.org,
fabrice.gasnier@foss.st.com, gregkh@linuxfoundation.org,
hdegoede@redhat.com, neil.armstrong@linaro.org,
rajaram.regupathy@intel.com, saranya.gopal@intel.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 3/4] usb: typec: ucsi: Delay alternate mode discovery
Date: Tue, 23 Apr 2024 15:36:42 +0000 [thread overview]
Message-ID: <ZifVitZN6otehLfr@google.com> (raw)
In-Reply-To: <20240419211650.2657096-4-jthies@google.com>
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On Fri, Apr 19, 2024 at 09:16:49PM +0000, Jameson Thies wrote:
> Delay the ucsi_check_altmodes task to be inline with surrounding partner
> tasks. This allows partner, cable and identity discovery to complete
> before alternate mode registration. With that order, alternate mode
> discovery can be used to indicate the ucsi driver has completed
> discovery.
>
> Signed-off-by: Jameson Thies <jthies@google.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
> ---
> drivers/usb/typec/ucsi/ucsi.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
> index b8d56a443531f..cd4c3b7a5d989 100644
> --- a/drivers/usb/typec/ucsi/ucsi.c
> +++ b/drivers/usb/typec/ucsi/ucsi.c
> @@ -963,7 +963,7 @@ static void ucsi_pwr_opmode_change(struct ucsi_connector *con)
> con->rdo = con->status.request_data_obj;
> typec_set_pwr_opmode(con->port, TYPEC_PWR_MODE_PD);
> ucsi_partner_task(con, ucsi_get_src_pdos, 30, 0);
> - ucsi_partner_task(con, ucsi_check_altmodes, 30, 0);
> + ucsi_partner_task(con, ucsi_check_altmodes, 30, HZ);
> ucsi_partner_task(con, ucsi_register_partner_pdos, 1, HZ);
> break;
> case UCSI_CONSTAT_PWR_OPMODE_TYPEC1_5:
> @@ -1247,7 +1247,7 @@ static void ucsi_handle_connector_change(struct work_struct *work)
> }
>
> if (con->status.change & UCSI_CONSTAT_CAM_CHANGE)
> - ucsi_partner_task(con, ucsi_check_altmodes, 1, 0);
> + ucsi_partner_task(con, ucsi_check_altmodes, 1, HZ);
>
> out_unlock:
> mutex_unlock(&con->lock);
> --
> 2.44.0.769.g3c40516874-goog
>
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next prev parent reply other threads:[~2024-04-23 15:36 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-19 21:16 [PATCH v1 0/4] usb: typec: ucsi: Update UCSI alternate mode Jameson Thies
2024-04-19 21:16 ` [PATCH v1 1/4] usb: typec: ucsi: Fix null deref in trace Jameson Thies
2024-04-20 13:15 ` [PATCH " Markus Elfring
2024-04-20 13:20 ` Greg Kroah-Hartman
2024-04-21 9:30 ` [PATCH v1 " Christian A. Ehrhardt
2024-04-24 0:29 ` Jameson Thies
2024-04-19 21:16 ` [PATCH v1 2/4] usb: typec: Update sysfs when setting ops Jameson Thies
2024-04-22 11:38 ` Heikki Krogerus
2024-04-23 15:35 ` Benson Leung
2024-04-19 21:16 ` [PATCH v1 3/4] usb: typec: ucsi: Delay alternate mode discovery Jameson Thies
2024-04-22 12:39 ` Heikki Krogerus
2024-04-23 15:36 ` Benson Leung [this message]
2024-04-19 21:16 ` [PATCH v1 4/4] usb: typec: ucsi: Always set number of alternate modes Jameson Thies
2024-04-22 12:41 ` Heikki Krogerus
2024-04-23 15:37 ` Benson Leung
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