gustavonihei commented on a change in pull request #3651:
URL: https://github.com/apache/incubator-nuttx/pull/3651#discussion_r625371956
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File path: arch/arm/src/stm32f7/stm32_can.c
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@@ -589,7 +596,7 @@ static void stm32can_reset(FAR struct can_dev_s *dev)
uint32_t regbit = 0;
irqstate_t flags;
- caninfo("CAN%d\n", priv->port);
+ caninfo("CAN%" PRId8 "\n", priv->port);
Review comment:
```suggestion
caninfo("CAN%" PRIu8 "\n", priv->port);
```
`priv->port` has type `uint8_t`.
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