spi: stm32-ospi: Use FIELD_MODIFY()

Use FIELD_MODIFY() to remove open-coded bit manipulation.
No functional change intended.

Signed-off-by: Hans Zhang <18255117159@163.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://patch.msgid.link/20260430155456.36998-8-18255117159@163.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-stm32-ospi.c b/drivers/spi/spi-stm32-ospi.c
index 4461c6e24b9edcafac2139112f596eee62d7247e..3757f6ba8fc613f878a2b493f33d887304347301 100644 (file)
--- a/drivers/spi/spi-stm32-ospi.c
+++ b/drivers/spi/spi-stm32-ospi.c
@@ -470,10 +470,9 @@ static int stm32_ospi_send(struct spi_device *spi, const struct spi_mem_op *op)
        u8 cs = spi->chip_select[ffs(spi->cs_index_mask) - 1];
 
        cr = readl_relaxed(ospi->regs_base + OSPI_CR);
-       cr &= ~CR_CSSEL;
-       cr |= FIELD_PREP(CR_CSSEL, cs);
-       cr &= ~CR_FMODE_MASK;
-       cr |= FIELD_PREP(CR_FMODE_MASK, ospi->fmode);
+       FIELD_MODIFY(CR_CSSEL, &cr, cs);
+
+       FIELD_MODIFY(CR_FMODE_MASK, &cr, ospi->fmode);
        writel_relaxed(cr, regs_base + OSPI_CR);
 
        if (op->data.nbytes)