From ee3072bcf8c4fc277f82b2a5e20cd9bcdbc29aca Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@110e8d01-0319-4d1e-a829-52ad28d1bb01>
Date: Sun, 16 Dec 2018 07:57:53 +0000
Subject: Fixed problem in I2Cv3
 http://www.chibios.com/forum/viewtopic.php?f=35&t=4933

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12472 110e8d01-0319-4d1e-a829-52ad28d1bb01
---
 os/hal/ports/STM32/LLD/I2Cv3/hal_i2c_lld.c | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

(limited to 'os/hal')

diff --git a/os/hal/ports/STM32/LLD/I2Cv3/hal_i2c_lld.c b/os/hal/ports/STM32/LLD/I2Cv3/hal_i2c_lld.c
index a7e0f589b..3ddeca982 100644
--- a/os/hal/ports/STM32/LLD/I2Cv3/hal_i2c_lld.c
+++ b/os/hal/ports/STM32/LLD/I2Cv3/hal_i2c_lld.c
@@ -983,9 +983,24 @@ void i2c_lld_stop(I2CDriver *i2cp) {
 
     /* I2C disable.*/
     i2c_lld_abort_operation(i2cp);
-#if STM32_I2C_USE_DMA == TRUE
-    i2c_lld_stop_tx_dma(i2cp);
-    i2c_lld_stop_rx_dma(i2cp);
+
+#if defined(STM32_I2C_DMA_REQUIRED) && defined(STM32_I2C_BDMA_REQUIRED)
+    if(i2cp->is_bdma)
+#endif
+#if defined(STM32_I2C_BDMA_REQUIRED)
+    {
+      bdmaStreamRelease(i2cp->rx.bdma);
+      bdmaStreamRelease(i2cp->tx.bdma);
+    }
+#endif
+#if defined(STM32_I2C_DMA_REQUIRED) && defined(STM32_I2C_BDMA_REQUIRED)
+    else
+#endif
+#if defined(STM32_I2C_DMA_REQUIRED)
+    {
+      dmaStreamRelease(i2cp->rx.dma);
+      dmaStreamRelease(i2cp->tx.dma);
+    }
 #endif
 
 #if STM32_I2C_USE_I2C1
-- 
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