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path: root/drivers/usb/host/xhci.c
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Diffstat (limited to 'drivers/usb/host/xhci.c')
-rw-r--r--drivers/usb/host/xhci.c29
1 files changed, 12 insertions, 17 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 033b46c470bd..cf3413116aff 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -4029,7 +4029,7 @@ static int __maybe_unused xhci_change_max_exit_latency(struct xhci_hcd *xhci,
4029 return ret; 4029 return ret;
4030} 4030}
4031 4031
4032#ifdef CONFIG_PM_RUNTIME 4032#ifdef CONFIG_PM
4033 4033
4034/* BESL to HIRD Encoding array for USB2 LPM */ 4034/* BESL to HIRD Encoding array for USB2 LPM */
4035static int xhci_besl_encoding[16] = {125, 150, 200, 300, 400, 500, 1000, 2000, 4035static int xhci_besl_encoding[16] = {125, 150, 200, 300, 400, 500, 1000, 2000,
@@ -4244,24 +4244,8 @@ int xhci_update_device(struct usb_hcd *hcd, struct usb_device *udev)
4244 return 0; 4244 return 0;
4245} 4245}
4246 4246
4247#else
4248
4249int xhci_set_usb2_hardware_lpm(struct usb_hcd *hcd,
4250 struct usb_device *udev, int enable)
4251{
4252 return 0;
4253}
4254
4255int xhci_update_device(struct usb_hcd *hcd, struct usb_device *udev)
4256{
4257 return 0;
4258}
4259
4260#endif /* CONFIG_PM_RUNTIME */
4261
4262/*---------------------- USB 3.0 Link PM functions ------------------------*/ 4247/*---------------------- USB 3.0 Link PM functions ------------------------*/
4263 4248
4264#ifdef CONFIG_PM
4265/* Service interval in nanoseconds = 2^(bInterval - 1) * 125us * 1000ns / 1us */ 4249/* Service interval in nanoseconds = 2^(bInterval - 1) * 125us * 1000ns / 1us */
4266static unsigned long long xhci_service_interval_to_ns( 4250static unsigned long long xhci_service_interval_to_ns(
4267 struct usb_endpoint_descriptor *desc) 4251 struct usb_endpoint_descriptor *desc)
@@ -4692,6 +4676,17 @@ int xhci_disable_usb3_lpm_timeout(struct usb_hcd *hcd,
4692} 4676}
4693#else /* CONFIG_PM */ 4677#else /* CONFIG_PM */
4694 4678
4679int xhci_set_usb2_hardware_lpm(struct usb_hcd *hcd,
4680 struct usb_device *udev, int enable)
4681{
4682 return 0;
4683}
4684
4685int xhci_update_device(struct usb_hcd *hcd, struct usb_device *udev)
4686{
4687 return 0;
4688}
4689
4695int xhci_enable_usb3_lpm_timeout(struct usb_hcd *hcd, 4690int xhci_enable_usb3_lpm_timeout(struct usb_hcd *hcd,
4696 struct usb_device *udev, enum usb3_link_state state) 4691 struct usb_device *udev, enum usb3_link_state state)
4697{ 4692{