@@ -32,8 +32,6 @@ The K210 supervisor-level external interrupt handler register function is declar
```rust
fn sbi_rustsbi_k210_sext(phys_addr: usize) -> SbiRet;
-// or
-fn sbi_rustsbi_k210_sext(func: fn()) -> SbiRet;
```
This function registers a device interrupt handler to machine level environment.
luojia65