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Diffstat (limited to 'os/hal/platforms/STM32F4xx/stm32_dma.h')
-rw-r--r--os/hal/platforms/STM32F4xx/stm32_dma.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/os/hal/platforms/STM32F4xx/stm32_dma.h b/os/hal/platforms/STM32F4xx/stm32_dma.h
index 16dcea02d..bcadf153c 100644
--- a/os/hal/platforms/STM32F4xx/stm32_dma.h
+++ b/os/hal/platforms/STM32F4xx/stm32_dma.h
@@ -54,7 +54,7 @@
* nibble
* @return Returns the channel associated to the stream.
*/
-#define STM32_DMA_GETCHANNEL(id, c) (((c) & 15) >> (((id) & 7) * 4))
+#define STM32_DMA_GETCHANNEL(id, c) ((c) >> (((id) & 7) * 4))
/**
* @brief Returns an unique numeric identifier for a DMA stream.