rtc: max77686: Use single-byte writes on MAX77620 (63a52f63) · Commits · 戴 / test

drivers/rtc/rtc-max77686.c

+16 −6

Original line number	Diff line number	Diff line
		@@ -78,6 +78,8 @@ struct max77686_rtc_driver_data {
		int alarm_pending_status_reg;
		/* RTC IRQ CHIP for regmap */
		const struct regmap_irq_chip *rtc_irq_chip;
		/* regmap configuration for the chip */
		const struct regmap_config *regmap_config;
		};

		struct max77686_rtc_info {
		@@ -182,6 +184,11 @@ static const struct regmap_irq_chip max77686_rtc_irq_chip = {
		.num_irqs = ARRAY_SIZE(max77686_rtc_irqs),
		};

		static const struct regmap_config max77686_rtc_regmap_config = {
		.reg_bits = 8,
		.val_bits = 8,
		};

		static const struct max77686_rtc_driver_data max77686_drv_data = {
		.delay = 16000,
		.mask = 0x7f,
		@@ -191,6 +198,13 @@ static const struct max77686_rtc_driver_data max77686_drv_data = {
		.alarm_pending_status_reg = MAX77686_REG_STATUS2,
		.rtc_i2c_addr = MAX77686_I2C_ADDR_RTC,
		.rtc_irq_chip = &max77686_rtc_irq_chip,
		.regmap_config = &max77686_rtc_regmap_config,
		};

		static const struct regmap_config max77620_rtc_regmap_config = {
		.reg_bits = 8,
		.val_bits = 8,
		.use_single_write = true,
		};

		static const struct max77686_rtc_driver_data max77620_drv_data = {
		@@ -202,6 +216,7 @@ static const struct max77686_rtc_driver_data max77620_drv_data = {
		.alarm_pending_status_reg = MAX77686_INVALID_REG,
		.rtc_i2c_addr = MAX77620_I2C_ADDR_RTC,
		.rtc_irq_chip = &max77686_rtc_irq_chip,
		.regmap_config = &max77620_rtc_regmap_config,
		};

		static const unsigned int max77802_map[REG_RTC_END] = {
		@@ -658,11 +673,6 @@ static int max77686_rtc_init_reg(struct max77686_rtc_info *info)
		return ret;
		}

		static const struct regmap_config max77686_rtc_regmap_config = {
		.reg_bits = 8,
		.val_bits = 8,
		};

		static int max77686_init_rtc_regmap(struct max77686_rtc_info *info)
		{
		struct device *parent = info->dev->parent;
		@@ -698,7 +708,7 @@ static int max77686_init_rtc_regmap(struct max77686_rtc_info *info)
		}

		info->rtc_regmap = devm_regmap_init_i2c(info->rtc,
		&max77686_rtc_regmap_config);
		info->drv_data->regmap_config);
		if (IS_ERR(info->rtc_regmap)) {
		ret = PTR_ERR(info->rtc_regmap);
		dev_err(info->dev, "Failed to allocate RTC regmap: %d\n", ret);

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