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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2021-07-19 04:56:58 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2021-07-19 04:56:58 +0300
commit320424c7d44f54c18df9812fd7c45f6963524002 (patch)
tree5853aff866a321d476f5e4f2a3de5b5e90408580 /drivers/usb/cdns3/core.c
parentf8f84af5da9ee04ef1d271528656dac42a090d00 (diff)
parent62fb9874f5da54fdb243003b386128037319b219 (diff)
downloadlinux-320424c7d44f54c18df9812fd7c45f6963524002.tar.xz
Merge tag 'v5.13' into next
Sync up with the mainline to get the latest parport API.
Diffstat (limited to 'drivers/usb/cdns3/core.c')
-rw-r--r--drivers/usb/cdns3/core.c29
1 files changed, 28 insertions, 1 deletions
diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c
index 199713769289..bb739d88179f 100644
--- a/drivers/usb/cdns3/core.c
+++ b/drivers/usb/cdns3/core.c
@@ -525,9 +525,36 @@ EXPORT_SYMBOL_GPL(cdns_suspend);
int cdns_resume(struct cdns *cdns, u8 set_active)
{
struct device *dev = cdns->dev;
+ enum usb_role real_role;
+ bool role_changed = false;
+ int ret = 0;
+
+ if (cdns_power_is_lost(cdns)) {
+ if (cdns->role_sw) {
+ cdns->role = cdns_role_get(cdns->role_sw);
+ } else {
+ real_role = cdns_hw_role_state_machine(cdns);
+ if (real_role != cdns->role) {
+ ret = cdns_hw_role_switch(cdns);
+ if (ret)
+ return ret;
+ role_changed = true;
+ }
+ }
+
+ if (!role_changed) {
+ if (cdns->role == USB_ROLE_HOST)
+ ret = cdns_drd_host_on(cdns);
+ else if (cdns->role == USB_ROLE_DEVICE)
+ ret = cdns_drd_gadget_on(cdns);
+
+ if (ret)
+ return ret;
+ }
+ }
if (cdns->roles[cdns->role]->resume)
- cdns->roles[cdns->role]->resume(cdns, false);
+ cdns->roles[cdns->role]->resume(cdns, cdns_power_is_lost(cdns));
if (set_active) {
pm_runtime_disable(dev);