drivers: spi_bitbang: Make SPI_LINES_OCTAL explicitly unsupported flag

Prevent the driver from perfroming transfer when SPI_LINES_OCTAL flag is specified, as this driver supports only SPI_LINES_DUAL for now. Signed-off-by: Michal Morsisko <[email protected]>
zephyrproject-rtos · Sep 1, 2024 · 358bce2 · 358bce2
1 parent df56307
commit 358bce2
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/drivers/spi/spi_bitbang.c b/drivers/spi/spi_bitbang.c
@@ -36,7 +36,8 @@ static int spi_bitbang_configure(const struct spi_bitbang_config *info,
 		return -ENOTSUP;
 	}
 
-	if (config->operation & (SPI_LINES_DUAL | SPI_LINES_QUAD)) {
+	if (config->operation & (SPI_LINES_DUAL | SPI_LINES_QUAD
+			| SPI_LINES_OCTAL)) {
 		LOG_ERR("Unsupported configuration");
 		return -ENOTSUP;
 	}