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Message-id: <59DEE429.2000608@samsung.com>
Date: Thu, 12 Oct 2017 12:40:25 +0900
From: Chanwoo Choi <cw00.choi@...sung.com>
To: kishon@...com
Cc: balbi@...nel.org, gregkh@...uxfoundation.org, sre@...nel.org,
lee.jones@...aro.org, heiko@...ech.de,
yoshihiro.shimoda.uh@...esas.com, krzk@...nel.org,
b.zolnierkie@...sung.com, maxime.ripard@...e-electrons.com,
wens@...e.org, chanwoo@...nel.org, myungjoo.ham@...sung.com,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-pm@...r.kernel.org, linux-usb@...r.kernel.org,
linux-renesas-soc@...r.kernel.org,
linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH v2] extcon: Split out extcon header file for consumer
and provider device
Dear Kishon,
Could you please review this patch?
After that, I'll make the immutable brand and then send the pull request
for power_supply, mfd, phy, usb and extcon framework.
On 2017년 10월 10일 19:17, Chanwoo Choi wrote:
> The extcon has two type of extcon devices as following.
> - 'extcon provider deivce' adds new extcon device and detect the
> state/properties of external connector. Also, it notifies the
> state/properties to the extcon consumer device.
> - 'extcon consumer device' gets the change state/properties
> from extcon provider device.
> Prior to that, include/linux/extcon.h contains all exported API for
> both provider and consumer device driver. To clarify the meaning of
> header file and to remove the wrong use-case on consumer device,
> this patch separates into extcon.h and extcon-provider.h.
>
> [Description for include/linux/{extcon.h|extcon-provider.h}]
> - extcon.h includes the extcon API and data structure for extcon consumer
> device driver. This header file contains the following APIs:
> : Register/unregister the notifier to catch the change of extcon device
> : Get the extcon device instance
> : Get the extcon device name
> : Get the state of each external connector
> : Get the property value of each external connector
> : Get the property capability of each external connector
>
> - extcon-provider.h includes the extcon API and data structure for extcon
> provider device driver. This header file contains the following APIs:
> : Include 'include/linux/extcon.h'
> : Allocate the memory for extcon device instance
> : Register/unregister extcon device
> : Set the state of each external connector
> : Set the property value of each external connector
> : Set the property capability of each external connector
>
> Cc: Felipe Balbi <balbi@...nel.org>
> Cc: Kishon Vijay Abraham I <kishon@...com>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Acked-by: Sebastian Reichel <sebastian.reichel@...labora.co.uk>
> Acked-by: Chen-Yu Tsai <wens@...e.org>
> Acked-by: Charles Keepax <ckeepax@...nsource.cirrus.com>
> Acked-by: Lee Jones <lee.jones@...aro.org>
> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
> ---
> Changes from v1:
> - Don't touch drivers/usb/renesas_usbhs/common.h.
> - Add acked-by from Sebastian Reichel (for drivers/power/supply/)
> - Add acked-by from Chen-Yu Tsai (for phy-sun4i-usb.c & extcon-axp288.c)
> - Add acked-by from Charles Keepax (for drivers/extcon/extcon-arizona.c)
> - Add acked-by from Lee Jones (fo include/linux/mfd/palmas.h)
>
> drivers/extcon/extcon-adc-jack.c | 2 +-
> drivers/extcon/extcon-arizona.c | 2 +-
> drivers/extcon/extcon-axp288.c | 2 +-
> drivers/extcon/extcon-gpio.c | 2 +-
> drivers/extcon/extcon-intel-cht-wc.c | 2 +-
> drivers/extcon/extcon-intel-int3496.c | 2 +-
> drivers/extcon/extcon-max14577.c | 2 +-
> drivers/extcon/extcon-max3355.c | 2 +-
> drivers/extcon/extcon-max77693.c | 2 +-
> drivers/extcon/extcon-max77843.c | 2 +-
> drivers/extcon/extcon-max8997.c | 2 +-
> drivers/extcon/extcon-qcom-spmi-misc.c | 2 +-
> drivers/extcon/extcon-rt8973a.c | 2 +-
> drivers/extcon/extcon-sm5502.c | 2 +-
> drivers/extcon/extcon-usb-gpio.c | 2 +-
> drivers/extcon/extcon-usbc-cros-ec.c | 2 +-
> drivers/extcon/extcon.h | 2 +-
> drivers/phy/allwinner/phy-sun4i-usb.c | 2 +-
> drivers/phy/broadcom/phy-bcm-ns2-usbdrd.c | 2 +-
> drivers/phy/renesas/phy-rcar-gen3-usb2.c | 2 +-
> drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 2 +-
> drivers/power/supply/qcom_smbb.c | 2 +-
> drivers/usb/gadget/udc/renesas_usb3.c | 2 +-
> drivers/usb/phy/phy-tahvo.c | 2 +-
> include/linux/extcon-provider.h | 142 ++++++++++++++++++++++++++
> include/linux/extcon.h | 109 +-------------------
> include/linux/mfd/palmas.h | 2 +-
> 27 files changed, 172 insertions(+), 129 deletions(-)
> create mode 100644 include/linux/extcon-provider.h
>
> diff --git a/drivers/extcon/extcon-adc-jack.c b/drivers/extcon/extcon-adc-jack.c
> index 6f6537ab0a79..3877d86c746a 100644
> --- a/drivers/extcon/extcon-adc-jack.c
> +++ b/drivers/extcon/extcon-adc-jack.c
> @@ -26,7 +26,7 @@
> #include <linux/workqueue.h>
> #include <linux/iio/consumer.h>
> #include <linux/extcon/extcon-adc-jack.h>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
>
> /**
> * struct adc_jack_data - internal data for adc_jack device driver
> diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
> index f84da4a17724..da0e9bc4262f 100644
> --- a/drivers/extcon/extcon-arizona.c
> +++ b/drivers/extcon/extcon-arizona.c
> @@ -27,7 +27,7 @@
> #include <linux/pm_runtime.h>
> #include <linux/property.h>
> #include <linux/regulator/consumer.h>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
>
> #include <sound/soc.h>
>
> diff --git a/drivers/extcon/extcon-axp288.c b/drivers/extcon/extcon-axp288.c
> index f4fd03e58e37..981fba56bc18 100644
> --- a/drivers/extcon/extcon-axp288.c
> +++ b/drivers/extcon/extcon-axp288.c
> @@ -22,7 +22,7 @@
> #include <linux/platform_device.h>
> #include <linux/property.h>
> #include <linux/notifier.h>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/regmap.h>
> #include <linux/gpio.h>
> #include <linux/gpio/consumer.h>
> diff --git a/drivers/extcon/extcon-gpio.c b/drivers/extcon/extcon-gpio.c
> index ebed22f22d75..ab770adcca7e 100644
> --- a/drivers/extcon/extcon-gpio.c
> +++ b/drivers/extcon/extcon-gpio.c
> @@ -17,7 +17,7 @@
> * GNU General Public License for more details.
> */
>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/extcon/extcon-gpio.h>
> #include <linux/gpio.h>
> #include <linux/gpio/consumer.h>
> diff --git a/drivers/extcon/extcon-intel-cht-wc.c b/drivers/extcon/extcon-intel-cht-wc.c
> index 91a0023074af..7c4bc8c44c3f 100644
> --- a/drivers/extcon/extcon-intel-cht-wc.c
> +++ b/drivers/extcon/extcon-intel-cht-wc.c
> @@ -15,7 +15,7 @@
> * more details.
> */
>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/interrupt.h>
> #include <linux/kernel.h>
> #include <linux/mfd/intel_soc_pmic.h>
> diff --git a/drivers/extcon/extcon-intel-int3496.c b/drivers/extcon/extcon-intel-int3496.c
> index 1a45e745717d..c8691b5a9cb0 100644
> --- a/drivers/extcon/extcon-intel-int3496.c
> +++ b/drivers/extcon/extcon-intel-int3496.c
> @@ -19,7 +19,7 @@
> */
>
> #include <linux/acpi.h>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/gpio.h>
> #include <linux/interrupt.h>
> #include <linux/module.h>
> diff --git a/drivers/extcon/extcon-max14577.c b/drivers/extcon/extcon-max14577.c
> index f6414b7fa5bc..6c2c9996eb71 100644
> --- a/drivers/extcon/extcon-max14577.c
> +++ b/drivers/extcon/extcon-max14577.c
> @@ -23,7 +23,7 @@
> #include <linux/platform_device.h>
> #include <linux/mfd/max14577.h>
> #include <linux/mfd/max14577-private.h>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
>
> #define DELAY_MS_DEFAULT 17000 /* unit: millisecond */
>
> diff --git a/drivers/extcon/extcon-max3355.c b/drivers/extcon/extcon-max3355.c
> index 533e16a952b8..0aa410836f4e 100644
> --- a/drivers/extcon/extcon-max3355.c
> +++ b/drivers/extcon/extcon-max3355.c
> @@ -9,7 +9,7 @@
> * may be copied, distributed, and modified under those terms.
> */
>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/gpio.h>
> #include <linux/gpio/consumer.h>
> #include <linux/interrupt.h>
> diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
> index 7a5856809047..643411066ad9 100644
> --- a/drivers/extcon/extcon-max77693.c
> +++ b/drivers/extcon/extcon-max77693.c
> @@ -26,7 +26,7 @@
> #include <linux/mfd/max77693.h>
> #include <linux/mfd/max77693-common.h>
> #include <linux/mfd/max77693-private.h>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/regmap.h>
> #include <linux/irqdomain.h>
>
> diff --git a/drivers/extcon/extcon-max77843.c b/drivers/extcon/extcon-max77843.c
> index 6e722d552cf1..28f251ff0fa2 100644
> --- a/drivers/extcon/extcon-max77843.c
> +++ b/drivers/extcon/extcon-max77843.c
> @@ -11,7 +11,7 @@
> * (at your option) any later version.
> */
>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/i2c.h>
> #include <linux/interrupt.h>
> #include <linux/kernel.h>
> diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c
> index 4a0612fb9c07..8152790d72e1 100644
> --- a/drivers/extcon/extcon-max8997.c
> +++ b/drivers/extcon/extcon-max8997.c
> @@ -25,7 +25,7 @@
> #include <linux/kobject.h>
> #include <linux/mfd/max8997.h>
> #include <linux/mfd/max8997-private.h>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/irqdomain.h>
>
> #define DEV_NAME "max8997-muic"
> diff --git a/drivers/extcon/extcon-qcom-spmi-misc.c b/drivers/extcon/extcon-qcom-spmi-misc.c
> index b8cde096a808..660bbf163bf5 100644
> --- a/drivers/extcon/extcon-qcom-spmi-misc.c
> +++ b/drivers/extcon/extcon-qcom-spmi-misc.c
> @@ -15,7 +15,7 @@
> * GNU General Public License for more details.
> */
>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/init.h>
> #include <linux/interrupt.h>
> #include <linux/kernel.h>
> diff --git a/drivers/extcon/extcon-rt8973a.c b/drivers/extcon/extcon-rt8973a.c
> index eaa355e7d9e4..e059bd5f2041 100644
> --- a/drivers/extcon/extcon-rt8973a.c
> +++ b/drivers/extcon/extcon-rt8973a.c
> @@ -20,7 +20,7 @@
> #include <linux/platform_device.h>
> #include <linux/regmap.h>
> #include <linux/slab.h>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
>
> #include "extcon-rt8973a.h"
>
> diff --git a/drivers/extcon/extcon-sm5502.c b/drivers/extcon/extcon-sm5502.c
> index 106ef0297b53..0cfb5a3efdf6 100644
> --- a/drivers/extcon/extcon-sm5502.c
> +++ b/drivers/extcon/extcon-sm5502.c
> @@ -19,7 +19,7 @@
> #include <linux/platform_device.h>
> #include <linux/regmap.h>
> #include <linux/slab.h>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
>
> #include "extcon-sm5502.h"
>
> diff --git a/drivers/extcon/extcon-usb-gpio.c b/drivers/extcon/extcon-usb-gpio.c
> index 9c925b05b7aa..53762864a9f7 100644
> --- a/drivers/extcon/extcon-usb-gpio.c
> +++ b/drivers/extcon/extcon-usb-gpio.c
> @@ -14,7 +14,7 @@
> * GNU General Public License for more details.
> */
>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/gpio.h>
> #include <linux/gpio/consumer.h>
> #include <linux/init.h>
> diff --git a/drivers/extcon/extcon-usbc-cros-ec.c b/drivers/extcon/extcon-usbc-cros-ec.c
> index 598956f1dcae..6187f731b29d 100644
> --- a/drivers/extcon/extcon-usbc-cros-ec.c
> +++ b/drivers/extcon/extcon-usbc-cros-ec.c
> @@ -14,7 +14,7 @@
> * GNU General Public License for more details.
> */
>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/kernel.h>
> #include <linux/mfd/cros_ec.h>
> #include <linux/module.h>
> diff --git a/drivers/extcon/extcon.h b/drivers/extcon/extcon.h
> index dddddcfa0587..cc1b436eb66a 100644
> --- a/drivers/extcon/extcon.h
> +++ b/drivers/extcon/extcon.h
> @@ -1,7 +1,7 @@
> #ifndef __LINUX_EXTCON_INTERNAL_H__
> #define __LINUX_EXTCON_INTERNAL_H__
>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
>
> /**
> * struct extcon_dev - An extcon device represents one external connector.
> diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c b/drivers/phy/allwinner/phy-sun4i-usb.c
> index 1161e11fb3cf..ef34f97f214b 100644
> --- a/drivers/phy/allwinner/phy-sun4i-usb.c
> +++ b/drivers/phy/allwinner/phy-sun4i-usb.c
> @@ -24,7 +24,7 @@
> #include <linux/clk.h>
> #include <linux/delay.h>
> #include <linux/err.h>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/io.h>
> #include <linux/interrupt.h>
> #include <linux/kernel.h>
> diff --git a/drivers/phy/broadcom/phy-bcm-ns2-usbdrd.c b/drivers/phy/broadcom/phy-bcm-ns2-usbdrd.c
> index d099a0c8cee5..7ceea5ae2704 100644
> --- a/drivers/phy/broadcom/phy-bcm-ns2-usbdrd.c
> +++ b/drivers/phy/broadcom/phy-bcm-ns2-usbdrd.c
> @@ -12,7 +12,7 @@
> */
>
> #include <linux/delay.h>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/gpio.h>
> #include <linux/gpio/consumer.h>
> #include <linux/init.h>
> diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
> index 54c34298a000..b33e2994ccce 100644
> --- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c
> +++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
> @@ -12,7 +12,7 @@
> * published by the Free Software Foundation.
> */
>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/interrupt.h>
> #include <linux/io.h>
> #include <linux/module.h>
> diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
> index ee7ce5ee53f9..5049dac79bd0 100644
> --- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
> +++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
> @@ -17,7 +17,7 @@
> #include <linux/clk.h>
> #include <linux/clk-provider.h>
> #include <linux/delay.h>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/interrupt.h>
> #include <linux/io.h>
> #include <linux/gpio/consumer.h>
> diff --git a/drivers/power/supply/qcom_smbb.c b/drivers/power/supply/qcom_smbb.c
> index f6a0d245731d..11de691b9a71 100644
> --- a/drivers/power/supply/qcom_smbb.c
> +++ b/drivers/power/supply/qcom_smbb.c
> @@ -34,7 +34,7 @@
> #include <linux/power_supply.h>
> #include <linux/regmap.h>
> #include <linux/slab.h>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/regulator/driver.h>
>
> #define SMBB_CHG_VMAX 0x040
> diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
> index df37c1e6e9d5..8b4d051fdbed 100644
> --- a/drivers/usb/gadget/udc/renesas_usb3.c
> +++ b/drivers/usb/gadget/udc/renesas_usb3.c
> @@ -12,7 +12,7 @@
> #include <linux/delay.h>
> #include <linux/dma-mapping.h>
> #include <linux/err.h>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/interrupt.h>
> #include <linux/io.h>
> #include <linux/module.h>
> diff --git a/drivers/usb/phy/phy-tahvo.c b/drivers/usb/phy/phy-tahvo.c
> index 8babd318c0ed..354e8c98af05 100644
> --- a/drivers/usb/phy/phy-tahvo.c
> +++ b/drivers/usb/phy/phy-tahvo.c
> @@ -23,7 +23,7 @@
> #include <linux/io.h>
> #include <linux/clk.h>
> #include <linux/usb.h>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/kernel.h>
> #include <linux/module.h>
> #include <linux/usb/otg.h>
> diff --git a/include/linux/extcon-provider.h b/include/linux/extcon-provider.h
> new file mode 100644
> index 000000000000..2feca5881fa7
> --- /dev/null
> +++ b/include/linux/extcon-provider.h
> @@ -0,0 +1,142 @@
> +/*
> + * External Connector (extcon) framework
> + * - linux/include/linux/extcon-provider.h for extcon provider device driver.
> + *
> + * Copyright (C) 2017 Samsung Electronics
> + * Author: Chanwoo Choi <cw00.choi@...sung.com>
> + *
> + * This software is licensed under the terms of the GNU General Public
> + * License version 2, as published by the Free Software Foundation, and
> + * may be copied, distributed, and modified under those terms.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + */
> +
> +#ifndef __LINUX_EXTCON_PROVIDER_H__
> +#define __LINUX_EXTCON_PROVIDER_H__
> +
> +#include <linux/extcon.h>
> +
> +struct extcon_dev;
> +
> +#if IS_ENABLED(CONFIG_EXTCON)
> +
> +/* Following APIs register/unregister the extcon device. */
> +extern int extcon_dev_register(struct extcon_dev *edev);
> +extern void extcon_dev_unregister(struct extcon_dev *edev);
> +extern int devm_extcon_dev_register(struct device *dev,
> + struct extcon_dev *edev);
> +extern void devm_extcon_dev_unregister(struct device *dev,
> + struct extcon_dev *edev);
> +
> +/* Following APIs allocate/free the memory of the extcon device. */
> +extern struct extcon_dev *extcon_dev_allocate(const unsigned int *cable);
> +extern void extcon_dev_free(struct extcon_dev *edev);
> +extern struct extcon_dev *devm_extcon_dev_allocate(struct device *dev,
> + const unsigned int *cable);
> +extern void devm_extcon_dev_free(struct device *dev, struct extcon_dev *edev);
> +
> +/* Synchronize the state and property value for each external connector. */
> +extern int extcon_sync(struct extcon_dev *edev, unsigned int id);
> +
> +/*
> + * Following APIs set the connected state of each external connector.
> + * The 'id' argument indicates the defined external connector.
> + */
> +extern int extcon_set_state(struct extcon_dev *edev, unsigned int id,
> + bool state);
> +extern int extcon_set_state_sync(struct extcon_dev *edev, unsigned int id,
> + bool state);
> +
> +/*
> + * Following APIs set the property of each external connector.
> + * The 'id' argument indicates the defined external connector
> + * and the 'prop' indicates the extcon property.
> + *
> + * And extcon_set_property_capability() set the capability of the property
> + * for each external connector. They are used to set the capability of the
> + * property of each external connector based on the id and property.
> + */
> +extern int extcon_set_property(struct extcon_dev *edev, unsigned int id,
> + unsigned int prop,
> + union extcon_property_value prop_val);
> +extern int extcon_set_property_sync(struct extcon_dev *edev, unsigned int id,
> + unsigned int prop,
> + union extcon_property_value prop_val);
> +extern int extcon_set_property_capability(struct extcon_dev *edev,
> + unsigned int id, unsigned int prop);
> +
> +#else /* CONFIG_EXTCON */
> +static inline int extcon_dev_register(struct extcon_dev *edev)
> +{
> + return 0;
> +}
> +
> +static inline void extcon_dev_unregister(struct extcon_dev *edev) { }
> +
> +static inline int devm_extcon_dev_register(struct device *dev,
> + struct extcon_dev *edev)
> +{
> + return -EINVAL;
> +}
> +
> +static inline void devm_extcon_dev_unregister(struct device *dev,
> + struct extcon_dev *edev) { }
> +
> +static inline struct extcon_dev *extcon_dev_allocate(const unsigned int *cable)
> +{
> + return ERR_PTR(-ENOSYS);
> +}
> +
> +static inline void extcon_dev_free(struct extcon_dev *edev) { }
> +
> +static inline struct extcon_dev *devm_extcon_dev_allocate(struct device *dev,
> + const unsigned int *cable)
> +{
> + return ERR_PTR(-ENOSYS);
> +}
> +
> +static inline void devm_extcon_dev_free(struct extcon_dev *edev) { }
> +
> +
> +static inline int extcon_set_state(struct extcon_dev *edev, unsigned int id,
> + bool state)
> +{
> + return 0;
> +}
> +
> +static inline int extcon_set_state_sync(struct extcon_dev *edev, unsigned int id,
> + bool state)
> +{
> + return 0;
> +}
> +
> +static inline int extcon_sync(struct extcon_dev *edev, unsigned int id)
> +{
> + return 0;
> +}
> +
> +static inline int extcon_set_property(struct extcon_dev *edev, unsigned int id,
> + unsigned int prop,
> + union extcon_property_value prop_val)
> +{
> + return 0;
> +}
> +
> +static inline int extcon_set_property_sync(struct extcon_dev *edev,
> + unsigned int id, unsigned int prop,
> + union extcon_property_value prop_val)
> +{
> + return 0;
> +}
> +
> +static inline int extcon_set_property_capability(struct extcon_dev *edev,
> + unsigned int id, unsigned int prop)
> +{
> + return 0;
> +}
> +#endif /* CONFIG_EXTCON */
> +#endif /* __LINUX_EXTCON_PROVIDER_H__ */
> diff --git a/include/linux/extcon.h b/include/linux/extcon.h
> index 744d60ca80c3..6d94e82c8ad9 100644
> --- a/include/linux/extcon.h
> +++ b/include/linux/extcon.h
> @@ -1,5 +1,6 @@
> /*
> * External Connector (extcon) framework
> + * - linux/include/linux/extcon.h for extcon consumer device driver.
> *
> * Copyright (C) 2015 Samsung Electronics
> * Author: Chanwoo Choi <cw00.choi@...sung.com>
> @@ -170,61 +171,29 @@
> int intval; /* type : integer (intval) */
> };
>
> -struct extcon_cable;
> struct extcon_dev;
>
> #if IS_ENABLED(CONFIG_EXTCON)
> -
> -/* Following APIs register/unregister the extcon device. */
> -extern int extcon_dev_register(struct extcon_dev *edev);
> -extern void extcon_dev_unregister(struct extcon_dev *edev);
> -extern int devm_extcon_dev_register(struct device *dev,
> - struct extcon_dev *edev);
> -extern void devm_extcon_dev_unregister(struct device *dev,
> - struct extcon_dev *edev);
> -
> -/* Following APIs allocate/free the memory of the extcon device. */
> -extern struct extcon_dev *extcon_dev_allocate(const unsigned int *cable);
> -extern void extcon_dev_free(struct extcon_dev *edev);
> -extern struct extcon_dev *devm_extcon_dev_allocate(struct device *dev,
> - const unsigned int *cable);
> -extern void devm_extcon_dev_free(struct device *dev, struct extcon_dev *edev);
> -
> -/* Synchronize the state and property value for each external connector. */
> -extern int extcon_sync(struct extcon_dev *edev, unsigned int id);
> -
> /*
> - * Following APIs get/set the connected state of each external connector.
> + * Following APIs get the connected state of each external connector.
> * The 'id' argument indicates the defined external connector.
> */
> extern int extcon_get_state(struct extcon_dev *edev, unsigned int id);
> -extern int extcon_set_state(struct extcon_dev *edev, unsigned int id,
> - bool state);
> -extern int extcon_set_state_sync(struct extcon_dev *edev, unsigned int id,
> - bool state);
>
> /*
> - * Following APIs get/set the property of each external connector.
> + * Following APIs get the property of each external connector.
> * The 'id' argument indicates the defined external connector
> * and the 'prop' indicates the extcon property.
> *
> - * And extcon_get/set_property_capability() set the capability of the property
> - * for each external connector. They are used to set the capability of the
> + * And extcon_get_property_capability() get the capability of the property
> + * for each external connector. They are used to get the capability of the
> * property of each external connector based on the id and property.
> */
> extern int extcon_get_property(struct extcon_dev *edev, unsigned int id,
> unsigned int prop,
> union extcon_property_value *prop_val);
> -extern int extcon_set_property(struct extcon_dev *edev, unsigned int id,
> - unsigned int prop,
> - union extcon_property_value prop_val);
> -extern int extcon_set_property_sync(struct extcon_dev *edev, unsigned int id,
> - unsigned int prop,
> - union extcon_property_value prop_val);
> extern int extcon_get_property_capability(struct extcon_dev *edev,
> unsigned int id, unsigned int prop);
> -extern int extcon_set_property_capability(struct extcon_dev *edev,
> - unsigned int id, unsigned int prop);
>
> /*
> * Following APIs register the notifier block in order to detect
> @@ -268,79 +237,17 @@ extern struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev,
> extern const char *extcon_get_edev_name(struct extcon_dev *edev);
>
> #else /* CONFIG_EXTCON */
> -static inline int extcon_dev_register(struct extcon_dev *edev)
> -{
> - return 0;
> -}
> -
> -static inline void extcon_dev_unregister(struct extcon_dev *edev) { }
> -
> -static inline int devm_extcon_dev_register(struct device *dev,
> - struct extcon_dev *edev)
> -{
> - return -EINVAL;
> -}
> -
> -static inline void devm_extcon_dev_unregister(struct device *dev,
> - struct extcon_dev *edev) { }
> -
> -static inline struct extcon_dev *extcon_dev_allocate(const unsigned int *cable)
> -{
> - return ERR_PTR(-ENOSYS);
> -}
> -
> -static inline void extcon_dev_free(struct extcon_dev *edev) { }
> -
> -static inline struct extcon_dev *devm_extcon_dev_allocate(struct device *dev,
> - const unsigned int *cable)
> -{
> - return ERR_PTR(-ENOSYS);
> -}
> -
> -static inline void devm_extcon_dev_free(struct extcon_dev *edev) { }
> -
> -
> static inline int extcon_get_state(struct extcon_dev *edev, unsigned int id)
> {
> return 0;
> }
>
> -static inline int extcon_set_state(struct extcon_dev *edev, unsigned int id,
> - bool state)
> -{
> - return 0;
> -}
> -
> -static inline int extcon_set_state_sync(struct extcon_dev *edev, unsigned int id,
> - bool state)
> -{
> - return 0;
> -}
> -
> -static inline int extcon_sync(struct extcon_dev *edev, unsigned int id)
> -{
> - return 0;
> -}
> -
> static inline int extcon_get_property(struct extcon_dev *edev, unsigned int id,
> unsigned int prop,
> union extcon_property_value *prop_val)
> {
> return 0;
> }
> -static inline int extcon_set_property(struct extcon_dev *edev, unsigned int id,
> - unsigned int prop,
> - union extcon_property_value prop_val)
> -{
> - return 0;
> -}
> -
> -static inline int extcon_set_property_sync(struct extcon_dev *edev,
> - unsigned int id, unsigned int prop,
> - union extcon_property_value prop_val)
> -{
> - return 0;
> -}
>
> static inline int extcon_get_property_capability(struct extcon_dev *edev,
> unsigned int id, unsigned int prop)
> @@ -348,12 +255,6 @@ static inline int extcon_get_property_capability(struct extcon_dev *edev,
> return 0;
> }
>
> -static inline int extcon_set_property_capability(struct extcon_dev *edev,
> - unsigned int id, unsigned int prop)
> -{
> - return 0;
> -}
> -
> static inline int extcon_register_notifier(struct extcon_dev *edev,
> unsigned int id, struct notifier_block *nb)
> {
> diff --git a/include/linux/mfd/palmas.h b/include/linux/mfd/palmas.h
> index 6dec43826303..3c8568aa82a5 100644
> --- a/include/linux/mfd/palmas.h
> +++ b/include/linux/mfd/palmas.h
> @@ -20,7 +20,7 @@
> #include <linux/leds.h>
> #include <linux/regmap.h>
> #include <linux/regulator/driver.h>
> -#include <linux/extcon.h>
> +#include <linux/extcon-provider.h>
> #include <linux/of_gpio.h>
> #include <linux/usb/phy_companion.h>
>
>
--
Best Regards,
Chanwoo Choi
Samsung Electronics
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