From: Heikki Krogerus Date: Mon, 20 Sep 2021 14:24:14 +0000 (+0300) Subject: usb: typec: ucsi: Don't stop alt mode registration on busy condition X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=47eb8de3bbde346b880bb65ef0abe907d7fd6438;p=linux.git usb: typec: ucsi: Don't stop alt mode registration on busy condition If the PPM says it's busy, we can now simply try again. Signed-off-by: Heikki Krogerus Link: https://lore.kernel.org/r/20210920142419.54493-3-heikki.krogerus@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index ffb5be51daf85..a35efd8174bd4 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -437,6 +437,8 @@ static int ucsi_register_altmodes(struct ucsi_connector *con, u8 recipient) command |= UCSI_GET_ALTMODE_CONNECTOR_NUMBER(con->num); command |= UCSI_GET_ALTMODE_OFFSET(i); len = ucsi_send_command(con->ucsi, command, alt, sizeof(alt)); + if (len == -EBUSY) + continue; if (len <= 0) return len;