From 93111dc0b1ca765268d505045b450e7cc9d977f4 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Thu, 15 Mar 2018 09:21:33 +1100
Subject: [PATCH] HAL_ChibiOS: ensure that IO UART gets DMA

---
 libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat
index 43a8be3ee9..d41706be35 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat
@@ -478,3 +478,7 @@ define HAL_I2C_MAX_CLOCK 100000
 # define CH_DBG_SYSTEM_STATE_CHECK TRUE
 # define CH_DBG_ENABLE_STACK_CHECK TRUE
 
+# we can't share IO UART (USART6)
+DMA_NOSHARE USART6_TX USART6_RX
+DMA_PRIORITY USART6* TIM* SPI*
+