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Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 

Pull i2c fixes from Wolfram Sang:

 - a small collection of remaining API conversion patches (all acked)
   which allow to finally remove the deprecated API

 - some documentation fixes and a MAINTAINERS addition

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  MAINTAINERS: Add robert and myself as qcom i2c cci maintainers
  i2c: smbus: Fix spelling mistake in the comments
  Documentation/i2c: SMBus start signal is S not A
  i2c: remove deprecated i2c_new_device API
  Documentation: media: convert to use i2c_new_client_device()
  video: backlight: tosa_lcd: convert to use i2c_new_client_device()
  x86/platform/intel-mid: convert to use i2c_new_client_device()
  drm: encoder_slave: use new I2C API
  drm: encoder_slave: fix refcouting error for modules
This commit is contained in:
Linus Torvalds 2020-06-20 19:18:27 -07:00
parent 8b6ddd10d6 28f9f8fb4f
commit a5c6a1f0fe
10 changed files with 25 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/driver-api/media/v4l2-subdev.rst
View File

@ -451,7 +451,7 @@ The bridge driver also has some helper functions it can use:
"module_foo", "chipid", 0x36, NULL);
This loads the given module (can be ``NULL`` if no module needs to be loaded)
and calls :c:func:`i2c_new_device` with the given ``i2c_adapter`` and
and calls :c:func:`i2c_new_client_device` with the given ``i2c_adapter`` and
chip/address arguments. If all goes well, then it registers the subdev with
the v4l2_device.

2
Documentation/i2c/smbus-protocol.rst
View File

@ -57,7 +57,7 @@ SMBus Quick Command
This sends a single bit to the device, at the place of the Rd/Wr bit::
A Addr Rd/Wr [A] P
S Addr Rd/Wr [A] P
Functionality flag: I2C_FUNC_SMBUS_QUICK

2
Documentation/userspace-api/media/conf_nitpick.py
View File

@ -27,7 +27,7 @@ nitpick_ignore = [
("c:func", "copy_to_user"),
("c:func", "determine_valid_ioctls"),
("c:func", "ERR_PTR"),
("c:func", "i2c_new_device"),
("c:func", "i2c_new_client_device"),
("c:func", "ioctl"),
("c:func", "IS_ERR"),
("c:func", "KERNEL_VERSION"),

9
MAINTAINERS
View File

@ -14196,6 +14196,15 @@ L: dmaengine@vger.kernel.org
S: Supported
F: drivers/dma/qcom/hidma*
QUALCOMM I2C CCI DRIVER
M: Loic Poulain <loic.poulain@linaro.org>
M: Robert Foss <robert.foss@linaro.org>
L: linux-i2c@vger.kernel.org
L: linux-arm-msm@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt
F: drivers/i2c/busses/i2c-qcom-cci.c
QUALCOMM IOMMU
M: Rob Clark <robdclark@gmail.com>
L: iommu@lists.linux-foundation.org

4
arch/x86/platform/intel-mid/sfi.c
View File

@ -287,8 +287,8 @@ void intel_scu_devices_create(void)
adapter = i2c_get_adapter(i2c_bus[i]);
if (adapter) {
client = i2c_new_device(adapter, i2c_devs[i]);
if (!client)
client = i2c_new_client_device(adapter, i2c_devs[i]);
if (IS_ERR(client))
pr_err("can't create i2c device %s\n",
i2c_devs[i]->type);
} else

15
drivers/gpu/drm/drm_encoder_slave.c
View File

@ -61,13 +61,8 @@ int drm_i2c_encoder_init(struct drm_device *dev,
request_module("%s%s", I2C_MODULE_PREFIX, info->type);
client = i2c_new_device(adap, info);
if (!client) {
err = -ENOMEM;
goto fail;
}
if (!client->dev.driver) {
client = i2c_new_client_device(adap, info);
if (!i2c_client_has_driver(client)) {
err = -ENODEV;
goto fail_unregister;
}
@ -84,7 +79,7 @@ int drm_i2c_encoder_init(struct drm_device *dev,
err = encoder_drv->encoder_init(client, dev, encoder);
if (err)
goto fail_unregister;
goto fail_module_put;
if (info->platform_data)
encoder->slave_funcs->set_config(&encoder->base,
@ -92,10 +87,10 @@ int drm_i2c_encoder_init(struct drm_device *dev,
return 0;
fail_module_put:
module_put(module);
fail_unregister:
i2c_unregister_device(client);
module_put(module);
fail:
return err;
}
EXPORT_SYMBOL(drm_i2c_encoder_init);

25
drivers/i2c/i2c-core-base.c
View File

@ -815,31 +815,6 @@ out_err_silent:
}
EXPORT_SYMBOL_GPL(i2c_new_client_device);
/**
* i2c_new_device - instantiate an i2c device
* @adap: the adapter managing the device
* @info: describes one I2C device; bus_num is ignored
* Context: can sleep
*
* This deprecated function has the same functionality as
* @i2c_new_client_device, it just returns NULL instead of an ERR_PTR in case of
* an error for compatibility with current I2C API. It will be removed once all
* users are converted.
*
* This returns the new i2c client, which may be saved for later use with
* i2c_unregister_device(); or NULL to indicate an error.
*/
struct i2c_client *
i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info)
{
struct i2c_client *ret;
ret = i2c_new_client_device(adap, info);
return IS_ERR(ret) ? NULL : ret;
}
EXPORT_SYMBOL_GPL(i2c_new_device);
/**
* i2c_unregister_device - reverse effect of i2c_new_*_device()
* @client: value returned from i2c_new_*_device()

2
drivers/i2c/i2c-core-smbus.c
View File

@ -4,7 +4,7 @@
*
* This file contains the SMBus functions which are always included in the I2C
* core because they can be emulated via I2C. SMBus specific extensions
* (e.g. smbalert) are handled in a seperate i2c-smbus module.
* (e.g. smbalert) are handled in a separate i2c-smbus module.
*
* All SMBus-related things are written by Frodo Looijaard <frodol@dds.nl>
* SMBus 2.0 support by Mark Studebaker <mdsxyz123@yahoo.com> and

4
drivers/video/backlight/tosa_lcd.c
View File

@ -107,7 +107,7 @@ static void tosa_lcd_tg_on(struct tosa_lcd_data *data)
/* TG LCD GVSS */
tosa_tg_send(spi, TG_PINICTL, 0x0);
if (!data->i2c) {
if (IS_ERR_OR_NULL(data->i2c)) {
/*
* after the pannel is powered up the first time,
* we can access the i2c bus so probe for the DAC
@ -119,7 +119,7 @@ static void tosa_lcd_tg_on(struct tosa_lcd_data *data)
.addr = DAC_BASE,
.platform_data = data->spi,
};
data->i2c = i2c_new_device(adap, &info);
data->i2c = i2c_new_client_device(adap, &info);
}
}

8
include/linux/i2c.h
View File

@ -408,7 +408,7 @@ static inline bool i2c_detect_slave_mode(struct device *dev) { return false; }
* that are present. This information is used to grow the driver model tree.
* For mainboards this is done statically using i2c_register_board_info();
* bus numbers identify adapters that aren't yet available. For add-on boards,
* i2c_new_device() does this dynamically with the adapter already known.
* i2c_new_client_device() does this dynamically with the adapter already known.
*/
struct i2c_board_info {
char type[I2C_NAME_SIZE];
@ -439,13 +439,11 @@ struct i2c_board_info {
#if IS_ENABLED(CONFIG_I2C)
/* Add-on boards should register/unregister their devices; e.g. a board
/*
* Add-on boards should register/unregister their devices; e.g. a board
* with integrated I2C, a config eeprom, sensors, and a codec that's
* used in conjunction with the primary hardware.
*/
struct i2c_client *
i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info);
struct i2c_client *
i2c_new_client_device(struct i2c_adapter *adap, struct i2c_board_info const *info);