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mt76: introduce mcu_reset function pointer in mt76_mcu_ops structure

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Introduce mcu_reset function pointer in mt76_mcu_ops structure in order
to run hw related reset function for the mcu running on the chipset.
This is a preliminary patch to introduce chip reset for mt7921 devices.

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 2021-03-07 19:20:46 +01:00 committed by Felix Fietkau
parent a2a6cd54ee
commit acf337c33d
2 changed files with 5 additions and 0 deletions
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4
drivers/net/wireless/mediatek/mt76/mcu.c
View File

@ -99,6 +99,10 @@ int mt76_mcu_skb_send_and_get_msg(struct mt76_dev *dev, struct sk_buff *skb,
dev_kfree_skb(skb); dev_kfree_skb(skb);
} while (ret == -EAGAIN); } while (ret == -EAGAIN);
/* notify driver code to reset the mcu */
if (ret == -ETIMEDOUT && dev->mcu_ops->mcu_reset)
dev->mcu_ops->mcu_reset(dev);
out: out:
mutex_unlock(&dev->mcu.mutex); mutex_unlock(&dev->mcu.mutex);

1
drivers/net/wireless/mediatek/mt76/mt76.h
View File

@ -166,6 +166,7 @@ struct mt76_mcu_ops {
int (*mcu_rd_rp)(struct mt76_dev *dev, u32 base, int (*mcu_rd_rp)(struct mt76_dev *dev, u32 base,
struct mt76_reg_pair *rp, int len); struct mt76_reg_pair *rp, int len);
int (*mcu_restart)(struct mt76_dev *dev); int (*mcu_restart)(struct mt76_dev *dev);
void (*mcu_reset)(struct mt76_dev *dev);
}; };
struct mt76_queue_ops { struct mt76_queue_ops {