diff options
Diffstat (limited to 'common/usb_hub.c')
| -rw-r--r-- | common/usb_hub.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/common/usb_hub.c b/common/usb_hub.c index 990993aa2f..f231d711d8 100644 --- a/common/usb_hub.c +++ b/common/usb_hub.c @@ -166,7 +166,7 @@ static void usb_hub_power_on(struct usb_hub_device *hub) int i; struct usb_device *dev; unsigned pgood_delay = hub->desc.bPwrOn2PwrGood * 2; - const char *env; + const char __maybe_unused *env; dev = hub->pusb_dev; @@ -191,10 +191,12 @@ static void usb_hub_power_on(struct usb_hub_device *hub) * but allow this time to be increased via env variable as some * devices break the spec and require longer warm-up times */ +#if CONFIG_IS_ENABLED(ENV_SUPPORT) env = env_get("usb_pgood_delay"); if (env) pgood_delay = max(pgood_delay, (unsigned)simple_strtol(env, NULL, 0)); +#endif debug("pgood_delay=%dms\n", pgood_delay); /* |