312 	unsigned long shadow = readl(port) & ~clk_mask;  in gpio_write_bit()  local
313 	writel(shadow, port);  in gpio_write_bit()
315 		shadow |= data_mask;  in gpio_write_bit()
317 		shadow &= ~data_mask;  in gpio_write_bit()
318 	writel(shadow, port);  in gpio_write_bit()
320 	shadow |= clk_mask;  in gpio_write_bit()
321 	writel(shadow, port);  in gpio_write_bit()
528 	unsigned long shadow;  in gpio_ioctl_unlocked()  local
555 		shadow = readl(data_out[priv->minor]) |  in gpio_ioctl_unlocked()
557 		writel(shadow, data_out[priv->minor]);  in gpio_ioctl_unlocked()
563 		shadow = readl(data_out[priv->minor]) &  in gpio_ioctl_unlocked()
565 		writel(shadow, data_out[priv->minor]);  in gpio_ioctl_unlocked()
683 	unsigned short shadow;  in virtual_gpio_ioctl()  local
690 		i2c_read(VIRT_I2C_ADDR, (void *)&shadow, sizeof(shadow));  in virtual_gpio_ioctl()
691 		shadow |= ~readl(dir_oe[priv->minor]) |  in virtual_gpio_ioctl()
693 		i2c_write(VIRT_I2C_ADDR, (void *)&shadow, sizeof(shadow));  in virtual_gpio_ioctl()
699 		i2c_read(VIRT_I2C_ADDR, (void *)&shadow, sizeof(shadow));  in virtual_gpio_ioctl()
700 		shadow |= ~readl(dir_oe[priv->minor]) &  in virtual_gpio_ioctl()
702 		i2c_write(VIRT_I2C_ADDR, (void *)&shadow, sizeof(shadow));  in virtual_gpio_ioctl()
769 			i2c_read(VIRT_I2C_ADDR, (void *)&shadow,  in virtual_gpio_ioctl()
770 				sizeof(shadow));  in virtual_gpio_ioctl()
771 			shadow &= ~change;  in virtual_gpio_ioctl()
772 			shadow |= val;  in virtual_gpio_ioctl()
773 			i2c_write(VIRT_I2C_ADDR, (void *)&shadow,  in virtual_gpio_ioctl()
774 				sizeof(shadow));  in virtual_gpio_ioctl()
904 	unsigned short shadow;  in virtual_gpio_init()  local
906 	shadow = ~virtual_rw_pv_oe; /* Input ports should be set to logic 1 */  in virtual_gpio_init()
907 	shadow |= CONFIG_ETRAX_DEF_GIO_PV_OUT;  in virtual_gpio_init()
908 	i2c_write(VIRT_I2C_ADDR, (void *)&shadow, sizeof(shadow));  in virtual_gpio_init()