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Revert "drivers/spi: stm32: fix TX-only mode"

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This reverts commit 31cd3b1f61.

This change is causing regression in SPI loopback tests.

Signed-off-by: Erwan Gouriou <erwan.gouriou@st.com>
This commit is contained in:
Erwan Gouriou 2023-09-12 13:54:09 +02:00 • committed by Fabio Baltieri
commit 9b56e8ac63
1 changed files with 2 additions and 4 deletions
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2
drivers/spi/spi_ll_stm32.c
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@ -324,11 +324,9 @@ static void spi_stm32_shift_m(SPI_TypeDef *spi, struct spi_stm32_data *data)
spi_context_update_tx(&data->ctx, 2, 1); spi_context_update_tx(&data->ctx, 2, 1);
} }
if (spi_context_rx_buf_on(&data->ctx)) {
while (!ll_func_rx_is_not_empty(spi)) { while (!ll_func_rx_is_not_empty(spi)) {
/* NOP */ /* NOP */
} }
}
if (SPI_WORD_SIZE_GET(data->ctx.config->operation) == 8) { if (SPI_WORD_SIZE_GET(data->ctx.config->operation) == 8) {
rx_frame = LL_SPI_ReceiveData8(spi); rx_frame = LL_SPI_ReceiveData8(spi);