From 36f0949ef9854b82a9a3154d970da4e3b8d12a61 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 06 Nov 2023 07:23:29 +0000
Subject: [PATCH] rk3568 rkbin init

---
 kernel/drivers/tty/serial/8250/8250_core.c |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/kernel/drivers/tty/serial/8250/8250_core.c b/kernel/drivers/tty/serial/8250/8250_core.c
index 4e1d450..eb408cb 100644
--- a/kernel/drivers/tty/serial/8250/8250_core.c
+++ b/kernel/drivers/tty/serial/8250/8250_core.c
@@ -54,7 +54,16 @@
 
 static unsigned int skip_txen_test; /* force skip of txen test at init time */
 
-#define PASS_LIMIT	512
+/*
+ * On -rt we can have a more delays, and legitimately
+ * so - so don't drop work spuriously and spam the
+ * syslog:
+ */
+#ifdef CONFIG_PREEMPT_RT_FULL
+# define PASS_LIMIT	1000000
+#else
+# define PASS_LIMIT	512
+#endif
 
 #include <asm/serial.h>
 /*

--
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