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Diffstat (limited to 'drivers/net/wireless/ralink/rt2x00/rt2800mmio.c')
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2800mmio.c45
1 files changed, 32 insertions, 13 deletions
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
index ecc4c9332ec7..110bb391c372 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
* Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
* Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
@@ -7,19 +8,6 @@
* Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
* Copyright (C) 2009 Bart Zolnierkiewicz <bzolnier@gmail.com>
* <http://rt2x00.serialmonkey.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
/* Module: rt2800mmio
@@ -36,6 +24,37 @@
#include "rt2800lib.h"
#include "rt2800mmio.h"
+unsigned int rt2800mmio_get_dma_done(struct data_queue *queue)
+{
+ struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
+ struct queue_entry *entry;
+ int idx, qid;
+
+ switch (queue->qid) {
+ case QID_AC_VO:
+ case QID_AC_VI:
+ case QID_AC_BE:
+ case QID_AC_BK:
+ qid = queue->qid;
+ idx = rt2x00mmio_register_read(rt2x00dev, TX_DTX_IDX(qid));
+ break;
+ case QID_MGMT:
+ idx = rt2x00mmio_register_read(rt2x00dev, TX_DTX_IDX(5));
+ break;
+ case QID_RX:
+ entry = rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE);
+ idx = entry->entry_idx;
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ idx = 0;
+ break;
+ }
+
+ return idx;
+}
+EXPORT_SYMBOL_GPL(rt2800mmio_get_dma_done);
+
/*
* TX descriptor initialization
*/