On Fri, May 14, 2021 at 10:26:11PM -0700, Badhri Jagan Sridharan wrote:
The logic to enable vbus auto discharge on disconnect is used in more than one place. Since this is repetitive code, moving this into its own method.
Fixes: f321a02caebd ("usb: typec: tcpm: Implement enabling Auto Discharge disconnect support") Signed-off-by: Badhri Jagan Sridharan badhri@google.com
Reviewed-by: Guenter Roeck linux@roeck-us.net
drivers/usb/typec/tcpm/tcpm.c | 39 ++++++++++++++++------------------- 1 file changed, 18 insertions(+), 21 deletions(-)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index b93c4c8d7b15..b475d9b9d38d 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -771,6 +771,21 @@ static void tcpm_set_cc(struct tcpm_port *port, enum typec_cc_status cc) port->tcpc->set_cc(port->tcpc, cc); } +static int tcpm_enable_auto_vbus_discharge(struct tcpm_port *port, bool enable) +{
- int ret = 0;
- if (port->tcpc->enable_auto_vbus_discharge) {
ret = port->tcpc->enable_auto_vbus_discharge(port->tcpc, enable);
tcpm_log_force(port, "%s vbus discharge ret:%d", enable ? "enable" : "disable",
ret);
if (!ret)
port->auto_vbus_discharge_enabled = enable;
- }
- return ret;
+}
/*
- Determine RP value to set based on maximum current supported
- by a port if configured as source.
@@ -3445,12 +3460,7 @@ static int tcpm_src_attach(struct tcpm_port *port) if (ret < 0) return ret;
- if (port->tcpc->enable_auto_vbus_discharge) {
ret = port->tcpc->enable_auto_vbus_discharge(port->tcpc, true);
tcpm_log_force(port, "enable vbus discharge ret:%d", ret);
if (!ret)
port->auto_vbus_discharge_enabled = true;
- }
- tcpm_enable_auto_vbus_discharge(port, true);
ret = tcpm_set_roles(port, true, TYPEC_SOURCE, tcpm_data_role_for_source(port)); if (ret < 0) @@ -3527,14 +3537,7 @@ static void tcpm_set_partner_usb_comm_capable(struct tcpm_port *port, bool capab static void tcpm_reset_port(struct tcpm_port *port) {
- int ret;
- if (port->tcpc->enable_auto_vbus_discharge) {
ret = port->tcpc->enable_auto_vbus_discharge(port->tcpc, false);
tcpm_log_force(port, "Disable vbus discharge ret:%d", ret);
if (!ret)
port->auto_vbus_discharge_enabled = false;
- }
- tcpm_enable_auto_vbus_discharge(port, false); port->in_ams = false; port->ams = NONE_AMS; port->vdm_sm_running = false;
@@ -3602,13 +3605,7 @@ static int tcpm_snk_attach(struct tcpm_port *port) if (ret < 0) return ret;
- if (port->tcpc->enable_auto_vbus_discharge) {
tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_USB, false, VSAFE5V);
ret = port->tcpc->enable_auto_vbus_discharge(port->tcpc, true);
tcpm_log_force(port, "enable vbus discharge ret:%d", ret);
if (!ret)
port->auto_vbus_discharge_enabled = true;
- }
- tcpm_enable_auto_vbus_discharge(port, true);
ret = tcpm_set_roles(port, true, TYPEC_SINK, tcpm_data_role_for_sink(port)); if (ret < 0) -- 2.31.1.751.gd2f1c929bd-goog