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path: root/drivers/spi/spi-stm32-qspi.c
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Diffstat (limited to 'drivers/spi/spi-stm32-qspi.c')
-rw-r--r--drivers/spi/spi-stm32-qspi.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/spi/spi-stm32-qspi.c b/drivers/spi/spi-stm32-qspi.c
index f1e922fd362a..955c920c4b63 100644
--- a/drivers/spi/spi-stm32-qspi.c
+++ b/drivers/spi/spi-stm32-qspi.c
@@ -349,7 +349,7 @@ static int stm32_qspi_wait_poll_status(struct stm32_qspi *qspi)
static int stm32_qspi_get_mode(u8 buswidth)
{
- if (buswidth == 4)
+ if (buswidth >= 4)
return CCR_BUSWIDTH_4;
return buswidth;
@@ -653,9 +653,7 @@ static int stm32_qspi_setup(struct spi_device *spi)
return -EINVAL;
mode = spi->mode & (SPI_TX_OCTAL | SPI_RX_OCTAL);
- if ((mode == SPI_TX_OCTAL || mode == SPI_RX_OCTAL) ||
- ((mode == (SPI_TX_OCTAL | SPI_RX_OCTAL)) &&
- gpiod_count(qspi->dev, "cs") == -ENOENT)) {
+ if (mode && gpiod_count(qspi->dev, "cs") == -ENOENT) {
dev_err(qspi->dev, "spi-rx-bus-width\\/spi-tx-bus-width\\/cs-gpios\n");
dev_err(qspi->dev, "configuration not supported\n");
@@ -676,10 +674,10 @@ static int stm32_qspi_setup(struct spi_device *spi)
qspi->cr_reg = CR_APMS | 3 << CR_FTHRES_SHIFT | CR_SSHIFT | CR_EN;
/*
- * Dual flash mode is only enable in case SPI_TX_OCTAL and SPI_TX_OCTAL
- * are both set in spi->mode and "cs-gpios" properties is found in DT
+ * Dual flash mode is only enable in case SPI_TX_OCTAL or SPI_RX_OCTAL
+ * is set in spi->mode and "cs-gpios" properties is found in DT
*/
- if (mode == (SPI_TX_OCTAL | SPI_RX_OCTAL)) {
+ if (mode) {
qspi->cr_reg |= CR_DFM;
dev_dbg(qspi->dev, "Dual flash mode enable");
}