diff mbox series

[v1,3/4] usb: typec: ucsi: Delay alternate mode discovery

Message ID 20240419211650.2657096-4-jthies@google.com (mailing list archive)
State Superseded
Headers show
Series usb: typec: ucsi: Update UCSI alternate mode | expand

Commit Message

Jameson Thies April 19, 2024, 9:16 p.m. UTC
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>
---
 drivers/usb/typec/ucsi/ucsi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Heikki Krogerus April 22, 2024, 12:39 p.m. UTC | #1
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: Heikki Krogerus <heikki.krogerus@linux.intel.com>

> ---
>  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
Benson Leung April 23, 2024, 3:36 p.m. UTC | #2
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
>
diff mbox series

Patch

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);