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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2021-07-19 04:56:58 +0300 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2021-07-19 04:56:58 +0300 |
commit | 320424c7d44f54c18df9812fd7c45f6963524002 (patch) | |
tree | 5853aff866a321d476f5e4f2a3de5b5e90408580 /drivers/usb/cdns3/core.c | |
parent | f8f84af5da9ee04ef1d271528656dac42a090d00 (diff) | |
parent | 62fb9874f5da54fdb243003b386128037319b219 (diff) | |
download | linux-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.c | 29 |
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); |