linux-kernel - [PATCH] usb: typec: tcpm: remove tcpm_altmode

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Date:   Thu, 9 Apr 2020 16:51:17 +0800
From:   Jason Yan <yanaijie@...wei.com>
To:     <linux@...ck-us.net>, <heikki.krogerus@...ux.intel.com>,
        <gregkh@...uxfoundation.org>, <linux-usb@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Jason Yan <yanaijie@...wei.com>
Subject: [PATCH] usb: typec: tcpm: remove tcpm_altmode_ops and associations

Fix the following gcc warning:

drivers/usb/typec/tcpm/tcpm.c:1551:39: warning: ‘tcpm_altmode_ops’
defined but not used [-Wunused-const-variable=]
 static const struct typec_altmode_ops tcpm_altmode_ops = {
                                       ^~~~~~~~~~~~~~~~

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Jason Yan <yanaijie@...wei.com>
---
 drivers/usb/typec/tcpm/tcpm.c | 51 -----------------------------------
 1 file changed, 51 deletions(-)

diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index de3576e6530a..0fcb1023bdbe 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -1503,57 +1503,6 @@ static int tcpm_validate_caps(struct tcpm_port *port, const u32 *pdo,
 	return 0;
 }
 
-static int tcpm_altmode_enter(struct typec_altmode *altmode, u32 *vdo)
-{
-	struct tcpm_port *port = typec_altmode_get_drvdata(altmode);
-	u32 header;
-
-	mutex_lock(&port->lock);
-	header = VDO(altmode->svid, vdo ? 2 : 1, CMD_ENTER_MODE);
-	header |= VDO_OPOS(altmode->mode);
-
-	tcpm_queue_vdm(port, header, vdo, vdo ? 1 : 0);
-	mod_delayed_work(port->wq, &port->vdm_state_machine, 0);
-	mutex_unlock(&port->lock);
-
-	return 0;
-}
-
-static int tcpm_altmode_exit(struct typec_altmode *altmode)
-{
-	struct tcpm_port *port = typec_altmode_get_drvdata(altmode);
-	u32 header;
-
-	mutex_lock(&port->lock);
-	header = VDO(altmode->svid, 1, CMD_EXIT_MODE);
-	header |= VDO_OPOS(altmode->mode);
-
-	tcpm_queue_vdm(port, header, NULL, 0);
-	mod_delayed_work(port->wq, &port->vdm_state_machine, 0);
-	mutex_unlock(&port->lock);
-
-	return 0;
-}
-
-static int tcpm_altmode_vdm(struct typec_altmode *altmode,
-			    u32 header, const u32 *data, int count)
-{
-	struct tcpm_port *port = typec_altmode_get_drvdata(altmode);
-
-	mutex_lock(&port->lock);
-	tcpm_queue_vdm(port, header, data, count - 1);
-	mod_delayed_work(port->wq, &port->vdm_state_machine, 0);
-	mutex_unlock(&port->lock);
-
-	return 0;
-}
-
-static const struct typec_altmode_ops tcpm_altmode_ops = {
-	.enter = tcpm_altmode_enter,
-	.exit = tcpm_altmode_exit,
-	.vdm = tcpm_altmode_vdm,
-};
-
 /*
  * PD (data, control) command handling functions
  */
-- 
2.17.2