diff options
| author | Kyle Tso <kyletso@google.com> | 2023-12-05 15:47:46 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-12-15 13:53:58 +0100 |
| commit | 7d530f4cc0632056d9f8f207245aa3d91a25d168 (patch) | |
| tree | 0e03a2da9aa1fca8bbd28b06019c87511642d3b4 /drivers/usb/typec/tcpm/tcpm.c | |
| parent | 70e6163d17dd501ef27680eeb80d78b2cf823c5e (diff) | |
usb: typec: tcpm: Query Source partner for FRS capability only if it is DRP
Source-only port partner will always respond NOT_SUPPORTED to
GET_SINK_CAP. Avoid this redundant AMS by bailing out querying the FRS
capability if the Source port partner is not DRP.
Signed-off-by: Kyle Tso <kyletso@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20231205074747.1821297-1-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/typec/tcpm/tcpm.c')
| -rw-r--r-- | drivers/usb/typec/tcpm/tcpm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index ff67553b6932..8372f98de757 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -4402,7 +4402,8 @@ static void run_state_machine(struct tcpm_port *port) tcpm_set_current_limit(port, tcpm_get_current_limit(port), 5000); tcpm_swap_complete(port, 0); tcpm_typec_connect(port); - mod_enable_frs_delayed_work(port, 0); + if (port->pd_capable && port->source_caps[0] & PDO_FIXED_DUAL_ROLE) + mod_enable_frs_delayed_work(port, 0); tcpm_pps_complete(port, port->pps_status); if (port->ams != NONE_AMS) |