From 78bc1627495708f6011128d50b4af2998d02c37b Mon Sep 17 00:00:00 2001
From: mwojcik <mw@m-labs.hk>
Date: Tue, 12 Apr 2022 13:33:52 +0800
Subject: [PATCH] rtio_clocking: remove loop

---
 src/runtime/src/rtio_clocking.rs | 30 +++++++++++++-----------------
 1 file changed, 13 insertions(+), 17 deletions(-)

diff --git a/src/runtime/src/rtio_clocking.rs b/src/runtime/src/rtio_clocking.rs
index 13327ebb..bda8bb70 100644
--- a/src/runtime/src/rtio_clocking.rs
+++ b/src/runtime/src/rtio_clocking.rs
@@ -1,4 +1,4 @@
-use log::{info, warn};
+use log::{info, warn, error};
 use libboard_zynq::timer::GlobalTimer;
 use embedded_hal::blocking::delay::DelayMs;
 use libconfig::Config;
@@ -84,22 +84,18 @@ fn init_rtio(timer: &mut GlobalTimer, _clk: RtioClock) {
         }
     };
 
-    loop {
-        unsafe {
-            pl::csr::rtio_crg::pll_reset_write(1);
-            #[cfg(has_rtio_crg_clock_sel)]
-            pl::csr::rtio_crg::clock_sel_write(clock_sel);
-            pl::csr::rtio_crg::pll_reset_write(0);
-        }
-        timer.delay_ms(1);
-        let locked = unsafe { pl::csr::rtio_crg::pll_locked_read() != 0 };
-        if locked {
-            info!("RTIO PLL locked");
-            break;
-        } else {
-            warn!("RTIO PLL failed to lock, retrying...");
-            timer.delay_ms(500);
-        }
+    unsafe {
+        pl::csr::rtio_crg::pll_reset_write(1);
+        #[cfg(has_rtio_crg_clock_sel)]
+        pl::csr::rtio_crg::clock_sel_write(clock_sel);
+        pl::csr::rtio_crg::pll_reset_write(0);
+    }
+    timer.delay_ms(1);
+    let locked = unsafe { pl::csr::rtio_crg::pll_locked_read() != 0 };
+    if locked {
+        info!("RTIO PLL locked");
+    } else {
+        error!("RTIO PLL failed to lock");
     }
 
     unsafe {