uefi: remove inconsistent println!

uefi-test-runner/src/proto/network/http.rs

@@ -96,7 +96,7 @@ pub fn test() {
 
         info!("Bring up interface (ip4 config2 protocol)");
         let mut ip4 = Ip4Config2::new(*h).expect("open ip4 config2 protocol");
-        ip4.ifup(true).expect("acquire ipv4 address");
+        ip4.ifup().expect("acquire ipv4 address");
 
         // hard to find web sites which still allow plain http these days ...
         info!("Testing HTTP");

uefi/src/proto/network/ip4config2.rs

@@ -9,11 +9,10 @@ use alloc::vec::Vec;
 use core::ffi::c_void;
 use core::net::Ipv4Addr;
 use core::time::Duration;
-
+use log::{debug, trace};
 use uefi::boot::ScopedProtocol;
 use uefi::prelude::*;
 use uefi::proto::unsafe_protocol;
-use uefi::{print, println};
 use uefi_raw::protocol::network::ip4_config2::{
     Ip4Config2DataType, Ip4Config2InterfaceInfo, Ip4Config2Policy, Ip4Config2Protocol,
 };
@@ -102,39 +101,33 @@ impl Ip4Config2 {
         })
     }
 
-    /// Bring up network interface.  Does nothing in case the network
-    /// is already set up.  Otherwise turns on DHCP and waits until an
-    /// IPv4 address has been assigned.  Reports progress on the
-    /// console if verbose is set to true.  Returns TIMEOUT error in
-    /// case DHCP configuration does not finish within 30 seconds.
-    pub fn ifup(&mut self, verbose: bool) -> uefi::Result<()> {
+    /// Bring up network interface.
+    ///
+    /// Does nothing in case the network is already set up. Otherwise turns on
+    /// DHCP and waits until an IPv4 address has been assigned.
+    ///
+    /// Returns TIMEOUT error in case DHCP configuration does not finish within
+    /// 30 seconds.
+    pub fn ifup(&mut self) -> uefi::Result<()> {
+        const TIMEOUT_SECS: u64 = 30;
+
         let no_address = Ipv4Addr::from_bits(0);
 
         let info = self.get_interface_info()?;
         if info.station_addr != no_address.into() {
-            if verbose {
-                print!("Network is already up: ");
-                println!("addr v4: {}", info.station_addr);
-            }
+            debug!("Network is already up: addr v4: {}", info.station_addr);
             return Ok(());
         }
 
-        if verbose {
-            print!("DHCP ");
-        }
+        debug!("DHCP ");
         self.set_policy(Ip4Config2Policy::DHCP)?;
 
-        for _ in 0..30 {
-            if verbose {
-                print!(".");
-            }
+        for _ in 0..TIMEOUT_SECS {
             boot::stall(Duration::from_secs(1));
+            trace!(".\r");
             let info = self.get_interface_info()?;
             if info.station_addr != no_address.into() {
-                if verbose {
-                    print!(" OK: ");
-                    println!("addr v4: {}", info.station_addr);
-                }
+                debug!("OK: addr v4: {}", info.station_addr);
                 return Ok(());
             }
         }