usb: chipidea: core: wrap ci_handle_power_lost() with CONFIG_PM_SLEEP

If CONFIG_PM_SLEEP is not set, the following error will be shown up
when build kernel:
    error: 'ci_handle_power_lost' defined but not used.

This will move ci_handle_power_lost() to an area wrapped by
CONFIG_PM_SLEEP.

Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Fixes: 74494b33211d ("usb: chipidea: core: add controller resume support when controller is powered off")
Reported-by: Conor Dooley <conor.dooley@microchip.com>
Tested-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20221026121157.1491302-1-xu.yang_2@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 2b170b4..484b1cd 100644 (file)
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -661,25 +661,6 @@ static enum ci_role ci_get_role(struct ci_hdrc *ci)
        return role;
 }
 
-static void ci_handle_power_lost(struct ci_hdrc *ci)
-{
-       enum ci_role role;
-
-       disable_irq_nosync(ci->irq);
-       if (!ci_otg_is_fsm_mode(ci)) {
-               role = ci_get_role(ci);
-
-               if (ci->role != role) {
-                       ci_handle_id_switch(ci);
-               } else if (role == CI_ROLE_GADGET) {
-                       if (ci->is_otg && hw_read_otgsc(ci, OTGSC_BSV))
-                               usb_gadget_vbus_connect(&ci->gadget);
-               }
-       }
-
-       enable_irq(ci->irq);
-}
-
 static struct usb_role_switch_desc ci_role_switch = {
        .set = ci_usb_role_switch_set,
        .get = ci_usb_role_switch_get,
@@ -1400,6 +1381,25 @@ static int ci_suspend(struct device *dev)
        return 0;
 }
 
+static void ci_handle_power_lost(struct ci_hdrc *ci)
+{
+       enum ci_role role;
+
+       disable_irq_nosync(ci->irq);
+       if (!ci_otg_is_fsm_mode(ci)) {
+               role = ci_get_role(ci);
+
+               if (ci->role != role) {
+                       ci_handle_id_switch(ci);
+               } else if (role == CI_ROLE_GADGET) {
+                       if (ci->is_otg && hw_read_otgsc(ci, OTGSC_BSV))
+                               usb_gadget_vbus_connect(&ci->gadget);
+               }
+       }
+
+       enable_irq(ci->irq);
+}
+
 static int ci_resume(struct device *dev)
 {
        struct ci_hdrc *ci = dev_get_drvdata(dev);