On Sun, 24 May 2015, Krzysztof Kozlowski wrote:
> This prepares for merging some of the drivers between max77693 and
> max77843 so the child MFD driver can be attached to any parent MFD main
> driver.
>
> Move the state container to common header file. Additionally add
> consistent 'i2c' prefixes to its members (of 'struct i2c_client' type).
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@xxxxxxxxx>
> Acked-by: Sebastian Reichel <sre@xxxxxxxxxx>
> ---
> drivers/extcon/extcon-max77693.c | 3 ++-
> drivers/input/misc/max77693-haptic.c | 1 +
> drivers/mfd/max77693.c | 31 +++++++++++++------------
> drivers/power/max77693_charger.c | 1 +
> drivers/regulator/max77693.c | 1 +
> include/linux/mfd/max77693-common.h | 44 ++++++++++++++++++++++++++++++++++++
> include/linux/mfd/max77693-private.h | 25 --------------------
> 7 files changed, 65 insertions(+), 41 deletions(-)
> create mode 100644 include/linux/mfd/max77693-common.h
I think I Acked a version of this already:
Acked-by: Lee Jones <lee.jones@xxxxxxxxxx>
> diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
> index 78ed8727024f..4ef45f257e6e 100644
> --- a/drivers/extcon/extcon-max77693.c
> +++ b/drivers/extcon/extcon-max77693.c
> @@ -25,6 +25,7 @@
> #include <linux/platform_device.h>
> #include <linux/mfd/max77693.h>
> #include <linux/mfd/max77693-private.h>
> +#include <linux/mfd/max77693-common.h>
> #include <linux/extcon.h>
> #include <linux/regmap.h>
> #include <linux/irqdomain.h>
> @@ -1077,7 +1078,7 @@ static int max77693_muic_probe(struct platform_device *pdev)
> dev_dbg(&pdev->dev, "allocate register map\n");
> } else {
> info->max77693->regmap_muic = devm_regmap_init_i2c(
> - info->max77693->muic,
> + info->max77693->i2c_muic,
> &max77693_muic_regmap_config);
> if (IS_ERR(info->max77693->regmap_muic)) {
> ret = PTR_ERR(info->max77693->regmap_muic);
> diff --git a/drivers/input/misc/max77693-haptic.c b/drivers/input/misc/max77693-haptic.c
> index 39e930c10ebb..69a4e401fe24 100644
> --- a/drivers/input/misc/max77693-haptic.c
> +++ b/drivers/input/misc/max77693-haptic.c
> @@ -25,6 +25,7 @@
> #include <linux/regulator/consumer.h>
> #include <linux/mfd/max77693.h>
> #include <linux/mfd/max77693-private.h>
> +#include <linux/mfd/max77693-common.h>
>
> #define MAX_MAGNITUDE_SHIFT 16
>
> diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c
> index cb14afa97e6f..07fdf35bb9a1 100644
> --- a/drivers/mfd/max77693.c
> +++ b/drivers/mfd/max77693.c
> @@ -34,6 +34,7 @@
> #include <linux/mfd/core.h>
> #include <linux/mfd/max77693.h>
> #include <linux/mfd/max77693-private.h>
> +#include <linux/mfd/max77693-common.h>
> #include <linux/regulator/machine.h>
> #include <linux/regmap.h>
>
> @@ -193,22 +194,22 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
> } else
> dev_info(max77693->dev, "device ID: 0x%x\n", reg_data);
>
> - max77693->muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
> - if (!max77693->muic) {
> + max77693->i2c_muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
> + if (!max77693->i2c_muic) {
> dev_err(max77693->dev, "Failed to allocate I2C device for MUIC\n");
> return -ENODEV;
> }
> - i2c_set_clientdata(max77693->muic, max77693);
> + i2c_set_clientdata(max77693->i2c_muic, max77693);
>
> - max77693->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
> - if (!max77693->haptic) {
> + max77693->i2c_haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
> + if (!max77693->i2c_haptic) {
> dev_err(max77693->dev, "Failed to allocate I2C device for Haptic\n");
> ret = -ENODEV;
> goto err_i2c_haptic;
> }
> - i2c_set_clientdata(max77693->haptic, max77693);
> + i2c_set_clientdata(max77693->i2c_haptic, max77693);
>
> - max77693->regmap_haptic = devm_regmap_init_i2c(max77693->haptic,
> + max77693->regmap_haptic = devm_regmap_init_i2c(max77693->i2c_haptic,
> &max77693_regmap_haptic_config);
> if (IS_ERR(max77693->regmap_haptic)) {
> ret = PTR_ERR(max77693->regmap_haptic);
> @@ -222,7 +223,7 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
> * instance of MUIC device when irq of max77693 is initialized
> * before call max77693-muic probe() function.
> */
> - max77693->regmap_muic = devm_regmap_init_i2c(max77693->muic,
> + max77693->regmap_muic = devm_regmap_init_i2c(max77693->i2c_muic,
> &max77693_regmap_muic_config);
> if (IS_ERR(max77693->regmap_muic)) {
> ret = PTR_ERR(max77693->regmap_muic);
> @@ -255,7 +256,7 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
> IRQF_ONESHOT | IRQF_SHARED |
> IRQF_TRIGGER_FALLING, 0,
> &max77693_charger_irq_chip,
> - &max77693->irq_data_charger);
> + &max77693->irq_data_chg);
> if (ret) {
> dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
> goto err_irq_charger;
> @@ -296,15 +297,15 @@ err_mfd:
> err_intsrc:
> regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);
> err_irq_muic:
> - regmap_del_irq_chip(max77693->irq, max77693->irq_data_charger);
> + regmap_del_irq_chip(max77693->irq, max77693->irq_data_chg);
> err_irq_charger:
> regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
> err_irq_topsys:
> regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);
> err_regmap:
> - i2c_unregister_device(max77693->haptic);
> + i2c_unregister_device(max77693->i2c_haptic);
> err_i2c_haptic:
> - i2c_unregister_device(max77693->muic);
> + i2c_unregister_device(max77693->i2c_muic);
> return ret;
> }
>
> @@ -315,12 +316,12 @@ static int max77693_i2c_remove(struct i2c_client *i2c)
> mfd_remove_devices(max77693->dev);
>
> regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);
> - regmap_del_irq_chip(max77693->irq, max77693->irq_data_charger);
> + regmap_del_irq_chip(max77693->irq, max77693->irq_data_chg);
> regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
> regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);
>
> - i2c_unregister_device(max77693->muic);
> - i2c_unregister_device(max77693->haptic);
> + i2c_unregister_device(max77693->i2c_muic);
> + i2c_unregister_device(max77693->i2c_haptic);
>
> return 0;
> }
> diff --git a/drivers/power/max77693_charger.c b/drivers/power/max77693_charger.c
> index 754879eb59f6..eb68d0572799 100644
> --- a/drivers/power/max77693_charger.c
> +++ b/drivers/power/max77693_charger.c
> @@ -21,6 +21,7 @@
> #include <linux/regmap.h>
> #include <linux/mfd/max77693.h>
> #include <linux/mfd/max77693-private.h>
> +#include <linux/mfd/max77693-common.h>
>
> #define MAX77693_CHARGER_NAME "max77693-charger"
> static const char *max77693_charger_model = "MAX77693";
> diff --git a/drivers/regulator/max77693.c b/drivers/regulator/max77693.c
> index 236851ab575a..5b30dc42679c 100644
> --- a/drivers/regulator/max77693.c
> +++ b/drivers/regulator/max77693.c
> @@ -30,6 +30,7 @@
> #include <linux/regulator/machine.h>
> #include <linux/mfd/max77693.h>
> #include <linux/mfd/max77693-private.h>
> +#include <linux/mfd/max77693-common.h>
> #include <linux/regulator/of_regulator.h>
> #include <linux/regmap.h>
>
> diff --git a/include/linux/mfd/max77693-common.h b/include/linux/mfd/max77693-common.h
> new file mode 100644
> index 000000000000..7da4cc38e982
> --- /dev/null
> +++ b/include/linux/mfd/max77693-common.h
> @@ -0,0 +1,44 @@
> +/*
> + * Common data shared between Maxim 77693 and 77843 drivers
> + *
> + * Copyright (C) 2015 Samsung Electronics
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + */
> +
> +#ifndef __LINUX_MFD_MAX77693_COMMON_H
> +#define __LINUX_MFD_MAX77693_COMMON_H
> +
> +enum max77693_types {
> + TYPE_MAX77693_UNKNOWN,
> + TYPE_MAX77693,
> +};
> +
> +/*
> + * Shared also with max77843.
> + */
> +struct max77693_dev {
> + struct device *dev;
> + struct i2c_client *i2c; /* 0xCC , PMIC, Charger, Flash LED */
> + struct i2c_client *i2c_muic; /* 0x4A , MUIC */
> + struct i2c_client *i2c_haptic; /* MAX77693: 0x90 , Haptic */
> +
> + enum max77693_types type;
> +
> + struct regmap *regmap;
> + struct regmap *regmap_muic;
> + struct regmap *regmap_haptic; /* Only MAX77693 */
> +
> + struct regmap_irq_chip_data *irq_data_led;
> + struct regmap_irq_chip_data *irq_data_topsys;
> + struct regmap_irq_chip_data *irq_data_chg; /* Only MAX77693 */
> + struct regmap_irq_chip_data *irq_data_muic;
> +
> + int irq;
> +};
> +
> +
> +#endif /* __LINUX_MFD_MAX77693_COMMON_H */
> diff --git a/include/linux/mfd/max77693-private.h b/include/linux/mfd/max77693-private.h
> index e3c0afff38d3..8c4143c0c651 100644
> --- a/include/linux/mfd/max77693-private.h
> +++ b/include/linux/mfd/max77693-private.h
> @@ -529,29 +529,4 @@ enum max77693_irq_muic {
> MAX77693_MUIC_IRQ_NR,
> };
>
> -enum max77693_types {
> - TYPE_MAX77693_UNKNOWN,
> - TYPE_MAX77693,
> -};
> -
> -struct max77693_dev {
> - struct device *dev;
> - struct i2c_client *i2c; /* 0xCC , PMIC, Charger, Flash LED */
> - struct i2c_client *muic; /* 0x4A , MUIC */
> - struct i2c_client *haptic; /* 0x90 , Haptic */
> -
> - enum max77693_types type;
> -
> - struct regmap *regmap;
> - struct regmap *regmap_muic;
> - struct regmap *regmap_haptic;
> -
> - struct regmap_irq_chip_data *irq_data_led;
> - struct regmap_irq_chip_data *irq_data_topsys;
> - struct regmap_irq_chip_data *irq_data_charger;
> - struct regmap_irq_chip_data *irq_data_muic;
> -
> - int irq;
> -};
> -
> #endif /* __LINUX_MFD_MAX77693_PRIV_H */
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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