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mt76: mt7615: introduce mt7615_mcu_wait_response

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Introduce mt7615_mcu_wait_response in order to be reused parsing mt7663u
mcu messages

Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi
2020-03-17 17:41:09 +01:00
committed by Felix Fietkau
parent 63f09b6b98
commit 044a43256a
1 changed files with 24 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
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@@ -144,12 +144,33 @@ mt7615_mcu_parse_response(struct mt7615_dev *dev, int cmd,
return ret; return ret;
} }
int mt7615_mcu_wait_response(struct mt7615_dev *dev, int cmd, int seq)
{
unsigned long expires = jiffies + 20 * HZ;
struct sk_buff *skb;
int ret = 0;
while (true) {
skb = mt76_mcu_get_response(&dev->mt76, expires);
if (!skb) {
dev_err(dev->mt76.dev, "Message %d (seq %d) timeout\n",
cmd, seq);
return -ETIMEDOUT;
}
ret = mt7615_mcu_parse_response(dev, cmd, skb, seq);
if (ret != -EAGAIN)
break;
}
return ret;
}
static int static int
mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data, mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
int len, bool wait_resp) int len, bool wait_resp)
{ {
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
unsigned long expires = jiffies + 20 * HZ;
struct sk_buff *skb; struct sk_buff *skb;
int ret, seq; int ret, seq;
@@ -163,19 +184,8 @@ mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
if (ret) if (ret)
goto out; goto out;
while (wait_resp) { if (wait_resp)
skb = mt76_mcu_get_response(mdev, expires); ret = mt7615_mcu_wait_response(dev, cmd, seq);
if (!skb) {
dev_err(mdev->dev, "Message %d (seq %d) timeout\n",
cmd, seq);
ret = -ETIMEDOUT;
break;
}
ret = mt7615_mcu_parse_response(dev, cmd, skb, seq);
if (ret != -EAGAIN)
break;
}
out: out:
mutex_unlock(&mdev->mcu.mutex); mutex_unlock(&mdev->mcu.mutex);