From 239d137b1c47c6eb9526191add099c6a58a729a2 Mon Sep 17 00:00:00 2001
From: Berkus Decker <berkus+github@metta.systems>
Date: Sat, 2 Mar 2019 19:15:00 +0200
Subject: [PATCH] Reset mailbox response wait timeout on each iteration

---
 src/platform/mailbox.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/platform/mailbox.rs b/src/platform/mailbox.rs
index 1316ba6..4286392 100644
--- a/src/platform/mailbox.rs
+++ b/src/platform/mailbox.rs
@@ -216,9 +216,8 @@ fn write(regs: &RegisterBlock, buf_ptr: u32, channel: u32) -> Result<()> {
 }
 
 fn read(regs: &RegisterBlock, expected: u32, channel: u32) -> Result<()> {
-    let mut count: u32 = 0;
-
     loop {
+        let mut count: u32 = 0;
         while regs.STATUS.is_set(STATUS::EMPTY) {
             count += 1;
             if count > (1 << 25) {