From 05d0ae8442921251ed9cbfc3bb850adcc05704ec Mon Sep 17 00:00:00 2001
From: Andrew Gacek <andrew.gacek@gmail.com>
Date: Tue, 26 Jul 2016 08:18:21 -0500
Subject: [PATCH] libplatsupport: clear RX interrupt after RX irq callback
 (Exynos, serial)

This fixes issue #3
---
 libplatsupport/src/mach/exynos/serial.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libplatsupport/src/mach/exynos/serial.c b/libplatsupport/src/mach/exynos/serial.c
index dc57e5977..fc6590e5b 100644
--- a/libplatsupport/src/mach/exynos/serial.c
+++ b/libplatsupport/src/mach/exynos/serial.c
@@ -324,6 +324,8 @@ uart_handle_rx_irq(ps_chardevice_t* d)
                                     d->read_descriptor.bytes_transfered,
                                     d->read_descriptor.token);
     }
+    /* Clear the pending flag */
+    *REG_PTR(d->vaddr, UINTP) = INT_RX;
 }
 
 static void uart_flush(ps_chardevice_t *d)