/* * Copyright (C) 2014 Felix Fietkau * Copyright (C) 2015 Jakub Kicinski * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include "mt76x0.h" int mt76x0_wait_asic_ready(struct mt76x0_dev *dev) { int i = 100; u32 val; do { if (test_bit(MT76_REMOVED, &dev->mt76.state)) return -EIO; val = mt76_rr(dev, MT_MAC_CSR0); if (val && ~val) return 0; udelay(10); } while (i--); return -EIO; }