diff mbox series

[v6,7/7] usb: typec: tcpm: Get Sink VDO from fwnode

Message ID 20210205033415.3320439-8-kyletso@google.com
State Accepted
Commit f5d1d63e7359c6b3c65097b4941756b3d8ac0be0
Headers show
Series common SVDM version and VDO from dt | expand

Commit Message

Kyle Tso Feb. 5, 2021, 3:34 a.m. UTC
Commit a079973f462a ("usb: typec: tcpm: Remove tcpc_config
configuration mechanism") removed the tcpc_config which includes the
Sink VDO and it is not yet added back with fwnode. Add it now.

Signed-off-by: Kyle Tso <kyletso@google.com>
---
Changes since v5:
- no change

 drivers/usb/typec/tcpm/tcpm.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

Comments

Guenter Roeck Feb. 12, 2021, 4:21 a.m. UTC | #1
On Fri, Feb 05, 2021 at 11:34:15AM +0800, Kyle Tso wrote:
> Commit a079973f462a ("usb: typec: tcpm: Remove tcpc_config

> configuration mechanism") removed the tcpc_config which includes the

> Sink VDO and it is not yet added back with fwnode. Add it now.

> 

> Signed-off-by: Kyle Tso <kyletso@google.com>


Reviewed-by: Guenter Roeck <linux@roeck-us.net>


> ---

> Changes since v5:

> - no change

> 

>  drivers/usb/typec/tcpm/tcpm.c | 14 ++++++++++++++

>  1 file changed, 14 insertions(+)

> 

> diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c

> index b45cd191a8a4..be0b6469dd3d 100644

> --- a/drivers/usb/typec/tcpm/tcpm.c

> +++ b/drivers/usb/typec/tcpm/tcpm.c

> @@ -5722,6 +5722,20 @@ static int tcpm_fw_get_caps(struct tcpm_port *port,

>  			port->new_source_frs_current = frs_current;

>  	}

>  

> +	/* sink-vdos is optional */

> +	ret = fwnode_property_count_u32(fwnode, "sink-vdos");

> +	if (ret < 0)

> +		ret = 0;

> +

> +	port->nr_snk_vdo = min(ret, VDO_MAX_OBJECTS);

> +	if (port->nr_snk_vdo) {

> +		ret = fwnode_property_read_u32_array(fwnode, "sink-vdos",

> +						     port->snk_vdo,

> +						     port->nr_snk_vdo);

> +		if (ret < 0)

> +			return ret;

> +	}

> +

>  	return 0;

>  }

>  

> -- 

> 2.30.0.365.g02bc693789-goog

>
diff mbox series

Patch

diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index b45cd191a8a4..be0b6469dd3d 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -5722,6 +5722,20 @@  static int tcpm_fw_get_caps(struct tcpm_port *port,
 			port->new_source_frs_current = frs_current;
 	}
 
+	/* sink-vdos is optional */
+	ret = fwnode_property_count_u32(fwnode, "sink-vdos");
+	if (ret < 0)
+		ret = 0;
+
+	port->nr_snk_vdo = min(ret, VDO_MAX_OBJECTS);
+	if (port->nr_snk_vdo) {
+		ret = fwnode_property_read_u32_array(fwnode, "sink-vdos",
+						     port->snk_vdo,
+						     port->nr_snk_vdo);
+		if (ret < 0)
+			return ret;
+	}
+
 	return 0;
 }