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drivers: spi: spi_ll_stm32: Fix uncleared MODF flag

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Clear raised MODF flag, if not done the flag stay set forever.

Fixes https://github.com/zephyrproject-rtos/zephyr/issues/17363

Signed-off-by: Yaël Boutreux <yael.boutreux@st.com>
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
This commit is contained in:
Yaël Boutreux 2019-07-31 13:48:32 +02:00 • committed by Kumar Gala
commit 3a6b46e263
1 changed files with 4 additions and 0 deletions
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4
drivers/spi/spi_ll_stm32.c
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@ -196,6 +196,10 @@ static void spi_stm32_complete(struct spi_stm32_data *data, SPI_TypeDef *spi,
/* NOP */ /* NOP */
} }
} }
/* BSY flag is cleared when MODF flag is raised */
if (LL_SPI_IsActiveFlag_MODF(spi)) {
LL_SPI_ClearFlag_MODF(spi);
}
LL_SPI_Disable(spi); LL_SPI_Disable(spi);