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drivers: spi: stm32: disable cs when spi is done

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Deassert CS after SPI is done.

Signed-off-by: Georgij Cernysiov <geo.cgv@gmail.com>
Co-authored-by: Daniel Gaston Ochoa <dgastonochoa@gmail.com>
This commit is contained in:
Georgij Cernysiov 2023-12-11 14:16:33 +01:00 • committed by Carles Cufí
commit 9f3d9f7594
1 changed files with 3 additions and 1 deletions
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4
drivers/spi/spi_ll_stm32.c
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@ -471,7 +471,6 @@ static void spi_stm32_complete(const struct device *dev, int status)
ll_func_disable_int_errors(spi);
#endif
spi_stm32_cs_control(dev, false);
#if DT_HAS_COMPAT_STATUS_OKAY(st_stm32_spi_fifo)
/* Flush RX buffer */
@ -484,7 +483,10 @@ static void spi_stm32_complete(const struct device *dev, int status)
while (ll_func_spi_is_busy(spi)) {
/* NOP */
}
spi_stm32_cs_control(dev, false);
}
/* BSY flag is cleared when MODF flag is raised */
if (LL_SPI_IsActiveFlag_MODF(spi)) {
LL_SPI_ClearFlag_MODF(spi);