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mt7603: restart the firmware if it is already running

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Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2015-12-07 18:21:00 +01:00
parent 21733e9187
commit 79c6074d7e
1 changed files with 17 additions and 3 deletions
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mt7603_mcu.c
+17 -3
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@@ -28,7 +28,8 @@ mt7603_mcu_msg_alloc(struct mt7603_dev *dev, const void *data, int len)
skb = alloc_skb(len + sizeof(struct mt7603_mcu_txd), GFP_KERNEL);
skb_reserve(skb, sizeof(struct mt7603_mcu_txd));
memcpy(skb_put(skb, len), data, len);
if (len)
memcpy(skb_put(skb, len), data, len);
return skb;
}
@@ -184,6 +185,14 @@ mt7603_mcu_start_firmware(struct mt7603_dev *dev, u32 addr)
return mt7603_mcu_msg_send(dev, skb, -MCU_CMD_FW_START_REQ, MCU_Q_NA);
}
static int
mt7603_mcu_restart(struct mt7603_dev *dev)
{
struct sk_buff *skb = mt7603_mcu_msg_alloc(dev, NULL, 0);
return mt7603_mcu_msg_send(dev, skb, -MCU_CMD_RESTART_DL_REQ, MCU_Q_NA);
}
static int
mt7603_load_firmware(struct mt7603_dev *dev)
{
@@ -231,8 +240,13 @@ mt7603_load_firmware(struct mt7603_dev *dev)
val = mt76_rr(dev, MT_TOP_MISC2);
if (val & BIT(1)) {
dev_info(dev->mt76.dev, "Firmware already running!\n");
goto out;
dev_info(dev->mt76.dev, "Firmware already running, restarting...\n");
ret = mt7603_mcu_restart(dev);
if (ret) {
dev_err(dev->mt76.dev, "Failed to restart the MCU\n");
goto out;
}
}
if (!mt76_poll(dev, MT_TOP_MISC2, BIT(0), BIT(0), 500)) {