stm32:stm32_serial Forgot the -1 on mask

2017-05-08 03:43:36 +00:00 · 2017-05-08 03:43:36 +00:00 · b8ef079951
commit b8ef079951
parent e4b71a06bb
1 changed files with 1 additions and 1 deletions
--- a/arch/arm/src/stm32/stm32_serial.c
+++ b/arch/arm/src/stm32/stm32_serial.c
@ -187,7 +187,7 @@
 #  endif
 #  define RXDMA_MUTIPLE  4
 #  define RXDMA_BUFFER_SIZE   ((CONFIG_STM32_SERIAL_RXDMA_BUFFER_SIZE \
-                                + RXDMA_MUTIPLE) & ~RXDMA_MUTIPLE)
+                                + RXDMA_MUTIPLE) & ~(RXDMA_MUTIPLE-1))

 /* DMA priority */