From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/drivers/usb/chipidea/otg.c | 21 +++++++++++++++------
1 files changed, 15 insertions(+), 6 deletions(-)
diff --git a/kernel/drivers/usb/chipidea/otg.c b/kernel/drivers/usb/chipidea/otg.c
index f25d482..d3aada3 100644
--- a/kernel/drivers/usb/chipidea/otg.c
+++ b/kernel/drivers/usb/chipidea/otg.c
@@ -23,6 +23,7 @@
/**
* hw_read_otgsc returns otgsc register bits value.
+ * @ci: the controller
* @mask: bitfield mask
*/
u32 hw_read_otgsc(struct ci_hdrc *ci, u32 mask)
@@ -35,7 +36,7 @@
* detection overwrite OTGSC register value
*/
cable = &ci->platdata->vbus_extcon;
- if (!IS_ERR(cable->edev)) {
+ if (!IS_ERR(cable->edev) || ci->role_switch) {
if (cable->changed)
val |= OTGSC_BSVIS;
else
@@ -53,7 +54,7 @@
}
cable = &ci->platdata->id_extcon;
- if (!IS_ERR(cable->edev)) {
+ if (!IS_ERR(cable->edev) || ci->role_switch) {
if (cable->changed)
val |= OTGSC_IDIS;
else
@@ -75,6 +76,7 @@
/**
* hw_write_otgsc updates target bits of OTGSC register.
+ * @ci: the controller
* @mask: bitfield mask
* @data: to be written
*/
@@ -83,7 +85,7 @@
struct ci_hdrc_cable *cable;
cable = &ci->platdata->vbus_extcon;
- if (!IS_ERR(cable->edev)) {
+ if (!IS_ERR(cable->edev) || ci->role_switch) {
if (data & mask & OTGSC_BSVIS)
cable->changed = false;
@@ -97,7 +99,7 @@
}
cable = &ci->platdata->id_extcon;
- if (!IS_ERR(cable->edev)) {
+ if (!IS_ERR(cable->edev) || ci->role_switch) {
if (data & mask & OTGSC_IDIS)
cable->changed = false;
@@ -170,6 +172,13 @@
dev_dbg(ci->dev, "switching from %s to %s\n",
ci_role(ci)->name, ci->roles[role]->name);
+ if (ci->vbus_active && ci->role == CI_ROLE_GADGET)
+ /*
+ * vbus disconnect event is lost due to role
+ * switch occurs during system suspend.
+ */
+ usb_gadget_vbus_disconnect(&ci->gadget);
+
ci_role_stop(ci);
if (role == CI_ROLE_GADGET &&
@@ -222,7 +231,7 @@
/**
* ci_hdrc_otg_init - initialize otg struct
- * ci: the controller
+ * @ci: the controller
*/
int ci_hdrc_otg_init(struct ci_hdrc *ci)
{
@@ -241,7 +250,7 @@
/**
* ci_hdrc_otg_destroy - destroy otg struct
- * ci: the controller
+ * @ci: the controller
*/
void ci_hdrc_otg_destroy(struct ci_hdrc *ci)
{
--
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