Revert "spi: spidev: Fix CS polarity if GPIO descriptors are used"

raspberrypi inclusion
category: feature
bugzilla: 50432

--------------------------------

This reverts commit 83b2a8fe43bda0c11981ad6afa5dd0104d78be28.
Signed-off-by: NFang Yafen <yafen@iscas.ac.cn>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/spi/spidev.c

@@ -402,7 +402,6 @@ spidev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		else
 			retval = get_user(tmp, (u32 __user *)arg);
 		if (retval == 0) {
-			struct spi_controller *ctlr = spi->controller;
 			u32	save = spi->mode;
 
 			if (tmp & ~SPI_MODE_MASK) {
@@ -410,10 +409,6 @@ spidev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 				break;
 			}
 
-			if (ctlr->use_gpio_descriptors && ctlr->cs_gpiods &&
-			    ctlr->cs_gpiods[spi->chip_select])
-				tmp |= SPI_CS_HIGH;
-
 			tmp |= spi->mode & ~SPI_MODE_MASK;
 			spi->mode = (u16)tmp;
 			retval = spi_setup(spi);