[PATCH 02/10] spi: amlogic-spisg: Use FIELD_MODIFY()

[Hans Zhang <18255117159@163.com>]

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

Signed-off-by: Hans Zhang <18255117159@163.com>
---
 drivers/spi/spi-amlogic-spisg.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/spi/spi-amlogic-spisg.c b/drivers/spi/spi-amlogic-spisg.c
index 19c5eba412ef..4c9f4088cb37 100644
--- a/drivers/spi/spi-amlogic-spisg.c
+++ b/drivers/spi/spi-amlogic-spisg.c
@@ -601,14 +601,11 @@ static int aml_spisg_prepare_message(struct spi_controller *ctlr,
 
 	spisg->bytes_per_word = spi->bits_per_word >> 3;
 
-	spisg->cfg_spi &= ~CFG_SLAVE_SELECT;
-	spisg->cfg_spi |= FIELD_PREP(CFG_SLAVE_SELECT, spi_get_chipselect(spi, 0));
-
-	spisg->cfg_bus &= ~(CFG_CPOL | CFG_CPHA | CFG_B_L_ENDIAN | CFG_HALF_DUPLEX);
-	spisg->cfg_bus |= FIELD_PREP(CFG_CPOL, !!(spi->mode & SPI_CPOL)) |
-			  FIELD_PREP(CFG_CPHA, !!(spi->mode & SPI_CPHA)) |
-			  FIELD_PREP(CFG_B_L_ENDIAN, !!(spi->mode & SPI_LSB_FIRST)) |
-			  FIELD_PREP(CFG_HALF_DUPLEX, !!(spi->mode & SPI_3WIRE));
+	FIELD_MODIFY(CFG_SLAVE_SELECT, &spisg->cfg_spi, spi_get_chipselect(spi, 0));
+	FIELD_MODIFY(CFG_CPOL, &spisg->cfg_bus, !!(spi->mode & SPI_CPOL));
+	FIELD_MODIFY(CFG_CPHA, &spisg->cfg_bus, !!(spi->mode & SPI_CPHA));
+	FIELD_MODIFY(CFG_B_L_ENDIAN, &spisg->cfg_bus, !!(spi->mode & SPI_LSB_FIRST));
+	FIELD_MODIFY(CFG_HALF_DUPLEX, &spisg->cfg_bus, !!(spi->mode & SPI_3WIRE));
 
 	return 0;
 }
-- 
2.34.1