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-rw-r--r--os/hal/ports/STM32/LLD/SPIv1/hal_spi_lld.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/os/hal/ports/STM32/LLD/SPIv1/hal_spi_lld.c b/os/hal/ports/STM32/LLD/SPIv1/hal_spi_lld.c
index 4be8cedc1..0cee5729b 100644
--- a/os/hal/ports/STM32/LLD/SPIv1/hal_spi_lld.c
+++ b/os/hal/ports/STM32/LLD/SPIv1/hal_spi_lld.c
@@ -422,7 +422,7 @@ void spi_lld_start(SPIDriver *spip) {
STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD;
}
/* SPI setup and enable.*/
- spip->spi->CR1 = 0;
+ spip->spi->CR1 &= ~SPI_CR1_SPE;
spip->spi->CR1 = spip->config->cr1 | SPI_CR1_MSTR | SPI_CR1_SSM |
SPI_CR1_SSI;
spip->spi->CR2 = spip->config->cr2 | SPI_CR2_SSOE | SPI_CR2_RXDMAEN |