Merge pull request #1600 from hermit-os/riscv-finalize-mmio

fix(riscv64): finalize MMIO drivers

Author: mkroening

src/arch/riscv64/kernel/devicetree.rs

@@ -239,4 +239,7 @@ pub fn init_drivers() {
 			}
 		}
 	}
+
+	#[cfg(all(feature = "tcp", not(feature = "pci")))]
+	super::mmio::MMIO_DRIVERS.finalize();
 }

src/arch/riscv64/kernel/mmio.rs

@@ -8,7 +8,7 @@ use crate::drivers::net::gem::GEMDriver;
 use crate::drivers::net::virtio::VirtioNetDriver;
 use crate::init_cell::InitCell;
 
-static MMIO_DRIVERS: InitCell<Vec<MmioDriver>> = InitCell::new(Vec::new());
+pub(crate) static MMIO_DRIVERS: InitCell<Vec<MmioDriver>> = InitCell::new(Vec::new());
 
 pub(crate) enum MmioDriver {
 	#[cfg(feature = "gem-net")]