spi: microchip-core: Use SPI_MODE_X_MASK

Use SPI_MODE_X_MASK instead of open coded variant.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Prajna Rajendra Kumar <prajna.rajendrakumar@microchip.com>
Link: https://patch.msgid.link/20251126075558.2035012-6-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: andy-shev

drivers/spi/spi-microchip-core-spi.c

@@ -160,8 +160,6 @@ static void mchp_corespi_set_cs(struct spi_device *spi, bool disable)
 
 static int mchp_corespi_setup(struct spi_device *spi)
 {
-	u32 dev_mode = spi->mode & (SPI_CPOL | SPI_CPHA);
-
 	if (spi_get_csgpiod(spi, 0))
 		return 0;
 
@@ -170,7 +168,7 @@ static int mchp_corespi_setup(struct spi_device *spi)
 		return -EOPNOTSUPP;
 	}
 
-	if (dev_mode & ~spi->controller->mode_bits) {
+	if (spi->mode & SPI_MODE_X_MASK & ~spi->controller->mode_bits) {
 		dev_err(&spi->dev, "incompatible CPOL/CPHA, must match controller's Motorola mode\n");
 		return -EINVAL;
 	}