cdns_power_is_lost() does a register read. Call it only once rather than twice. Signed-off-by: Théo Lebrun <theo.lebrun@xxxxxxxxxxx> --- drivers/usb/cdns3/core.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c index 465e9267b49c..799987c88960 100644 --- a/drivers/usb/cdns3/core.c +++ b/drivers/usb/cdns3/core.c @@ -524,11 +524,12 @@ EXPORT_SYMBOL_GPL(cdns_suspend); int cdns_resume(struct cdns *cdns) { + bool power_lost = cdns_power_is_lost(cdns); enum usb_role real_role; bool role_changed = false; int ret = 0; - if (cdns_power_is_lost(cdns)) { + if (power_lost) { if (cdns->role_sw) { cdns->role = cdns_role_get(cdns->role_sw); } else { @@ -553,7 +554,7 @@ int cdns_resume(struct cdns *cdns) } if (cdns->roles[cdns->role]->resume) - cdns->roles[cdns->role]->resume(cdns, cdns_power_is_lost(cdns)); + cdns->roles[cdns->role]->resume(cdns, power_lost); return 0; } -- 2.48.1