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usb: Add missing guard around env_get() in usb_hub

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The env_get() might be undefined in case ENV_SUPPORT is disabled,
which may happen e.g. in SPL. Add missing ifdef guard around the
env_get() to prevent build failure.

Signed-off-by: Marek Vasut <marex@denx.de>
Tested-by: Fabio Estevam <festevam@denx.de>
This commit is contained in:
Marek Vasut 2022-09-19 21:19:23 +02:00
parent 73e741b8ee
commit fcb670b794
1 changed files with 3 additions and 1 deletions
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4
common/usb_hub.c
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@ -168,7 +168,7 @@ static void usb_hub_power_on(struct usb_hub_device *hub)
int i; int i;
struct usb_device *dev; struct usb_device *dev;
unsigned pgood_delay = hub->desc.bPwrOn2PwrGood * 2; unsigned pgood_delay = hub->desc.bPwrOn2PwrGood * 2;
const char *env; const char __maybe_unused *env;
dev = hub->pusb_dev; dev = hub->pusb_dev;
@ -193,10 +193,12 @@ static void usb_hub_power_on(struct usb_hub_device *hub)
* but allow this time to be increased via env variable as some * but allow this time to be increased via env variable as some
* devices break the spec and require longer warm-up times * devices break the spec and require longer warm-up times
*/ */
#if CONFIG_IS_ENABLED(ENV_SUPPORT)
env = env_get("usb_pgood_delay"); env = env_get("usb_pgood_delay");
if (env) if (env)
pgood_delay = max(pgood_delay, pgood_delay = max(pgood_delay,
(unsigned)simple_strtol(env, NULL, 0)); (unsigned)simple_strtol(env, NULL, 0));
#endif
debug("pgood_delay=%dms\n", pgood_delay); debug("pgood_delay=%dms\n", pgood_delay);
/* /*