358 	unsigned long shadow;  in gpio_write()  local
389 				shadow = *port;  in gpio_write()
390 				*port = shadow &= ~clk_mask;  in gpio_write()
392 					*port = shadow |= data_mask;  in gpio_write()
394 					*port = shadow &= ~data_mask;  in gpio_write()
396 				*port = shadow |= clk_mask;  in gpio_write()
402 				shadow = *port;  in gpio_write()
403 				*port = shadow &= ~clk_mask;  in gpio_write()
405 					*port = shadow |= data_mask;  in gpio_write()
407 					*port = shadow &= ~data_mask;  in gpio_write()
409 				*port = shadow |= clk_mask;  in gpio_write()
566 	unsigned long shadow;  in gpio_ioctl_unlocked()  local
584 		shadow = *data_out[priv->minor];  in gpio_ioctl_unlocked()
585 		shadow |=  (arg & changeable_bits[priv->minor]);  in gpio_ioctl_unlocked()
586 		*data_out[priv->minor] = shadow;  in gpio_ioctl_unlocked()
592 		shadow = *data_out[priv->minor];  in gpio_ioctl_unlocked()
593 		shadow &=  ~(arg & changeable_bits[priv->minor]);  in gpio_ioctl_unlocked()
594 		*data_out[priv->minor] = shadow;  in gpio_ioctl_unlocked()
724 	unsigned short shadow;  in virtual_gpio_ioctl()  local
731 		i2c_read(VIRT_I2C_ADDR, (void *)&shadow, sizeof(shadow));  in virtual_gpio_ioctl()
732 		shadow |= ~*dir_oe[priv->minor];  in virtual_gpio_ioctl()
733 		shadow |= (arg & changeable_bits[priv->minor]);  in virtual_gpio_ioctl()
734 		i2c_write(VIRT_I2C_ADDR, (void *)&shadow, sizeof(shadow));  in virtual_gpio_ioctl()
740 		i2c_read(VIRT_I2C_ADDR, (void *)&shadow, sizeof(shadow));  in virtual_gpio_ioctl()
741 		shadow |= ~*dir_oe[priv->minor];  in virtual_gpio_ioctl()
742 		shadow &= ~(arg & changeable_bits[priv->minor]);  in virtual_gpio_ioctl()
743 		i2c_write(VIRT_I2C_ADDR, (void *)&shadow, sizeof(shadow));  in virtual_gpio_ioctl()
819 			i2c_read(VIRT_I2C_ADDR, (void *)&shadow,  in virtual_gpio_ioctl()
820 				sizeof(shadow));  in virtual_gpio_ioctl()
821 			shadow &= ~change;  in virtual_gpio_ioctl()
822 			shadow |= val;  in virtual_gpio_ioctl()
823 			i2c_write(VIRT_I2C_ADDR, (void *)&shadow,  in virtual_gpio_ioctl()
824 				sizeof(shadow));  in virtual_gpio_ioctl()
882 	unsigned short shadow;  in virtual_gpio_init()  local
884 	shadow = ~virtual_rw_pv_oe; /* Input ports should be set to logic 1 */  in virtual_gpio_init()
885 	shadow |= CONFIG_ETRAX_DEF_GIO_PV_OUT;  in virtual_gpio_init()
886 	i2c_write(VIRT_I2C_ADDR, (void *)&shadow, sizeof(shadow));  in virtual_gpio_init()