Digging into the source the 60-second pause is the default firmware
loading-timeout in drivers/base/firmware_class.c:
static int loading_timeout = 60; /* In seconds */
which is applied in _request_firmware():
fw_priv = dev_get_drvdata(f_dev);
if (uevent) {
if (loading_timeout > 0) {
fw_priv->timeout.expires = jiffies + loading_timeout *
HZ;
add_timer(&fw_priv->timeout);
}
kobject_uevent(&f_dev->kobj, KOBJ_ADD);
wait_for_completion(&fw_priv->completion);
set_bit(FW_STATUS_DONE, &fw_priv->status);
del_timer_sync(&fw_priv->timeout);
} else
wait_for_completion(&fw_priv->completion);
mutex_lock(&fw_lock);
--
request_firmware() fails on resume from suspend
https://bugs.launchpad.net/bugs/331415
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