drivers: gpio: pca95xx: Remove unused functions (65b4e594) · Commits · Wenxi XU / zephyr

drivers/gpio/gpio_pca95xx.c

+0 −42

Original line number	Diff line number	Diff line
		@@ -117,38 +117,6 @@ struct gpio_pca95xx_drv_data {
		#endif
		};

		static int read_port_reg(const struct device *dev, uint8_t reg, uint8_t pin,
		uint16_t cache, uint16_t buf)
		{
		const struct gpio_pca95xx_config * const config = dev->config;
		uint8_t b_buf;
		int ret;

		if (pin >= 8) {
		reg++;
		}

		ret = i2c_reg_read_byte_dt(&config->bus, reg, &b_buf);
		if (ret != 0) {
		LOG_ERR("PCA95XX[0x%X]: error reading register 0x%X (%d)",
		config->bus.addr, reg, ret);
		return ret;
		}

		if (pin < 8) {
		((uint8_t *)cache)[LOW_BYTE_LE16_IDX] = b_buf;
		} else {
		((uint8_t *)cache)[HIGH_BYTE_LE16_IDX] = b_buf;
		}

		buf = cache;

		LOG_DBG("PCA95XX[0x%X]: Read: REG[0x%X] = 0x%X",
		config->bus.addr, reg, b_buf);

		return 0;
		}

		/**
		* @brief Read both port 0 and port 1 registers of certain register function.
		*
		@@ -253,16 +221,6 @@ static int write_port_regs(const struct device *dev, uint8_t reg,
		return ret;
		}

		static inline int update_input_reg(const struct device *dev, uint8_t pin,
		uint16_t *buf)
		{
		struct gpio_pca95xx_drv_data * const drv_data =
		(struct gpio_pca95xx_drv_data * const)dev->data;

		return read_port_reg(dev, REG_INPUT_PORT0, pin,
		&drv_data->reg_cache.input, buf);
		}

		static inline int update_input_regs(const struct device dev, uint16_t buf)
		{
		struct gpio_pca95xx_drv_data * const drv_data =