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Date: Wed, 18 Oct 2017 11:14:39 +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
Gently Ping.
Dear Kishon,
Could you please review this patch for 'drivers/phy/*'?
Regards,
Chanwoo Choi
On 2017년 10월 12일 12:40, Chanwoo Choi wrote:
> 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>
>>
>>
>
>
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