STM32 SPI: Disable SPI before modifying CR1

2014-02-18 13:42:20 -06:00 · 2014-02-18 13:42:20 -06:00 · bbb65432d9
parent 26777e9145
commit bbb65432d9
1 changed files with 2 additions and 0 deletions
--- a/arch/arm/src/stm32/stm32_spi.c
+++ b/arch/arm/src/stm32/stm32_spi.c
@ -1110,7 +1110,9 @@ static void spi_setmode(FAR struct spi_dev_s *dev, enum spi_mode_e mode)
          return;
        }

+        spi_modifycr1(priv, 0, SPI_CR1_SPE);
        spi_modifycr1(priv, setbits, clrbits);
+        spi_modifycr1(priv, SPI_CR1_SPE, 0);

        /* Save the mode so that subsequent re-configurations will be faster */