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Merge branch 'i2c/for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

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Pull i2c updates from Wolfram Sang:

 - mostly driver updates. Bigger ones for mlxcpld and iproc. But most of
   them are all over the place.

 - removal of the efm32, sirf, u300, and zte zx bus drivers because of
   platform removal. So, we have a pleasant diffstat this time.

 - first set of cleanups in the I2C core as preparation to increase
   maximum length of SMBus transfers to 255 (as specified in the new
   standard). Better documentation of struct i2c_msg and its flags stand
   out here.

 - the testunit can now respond to SMBus block process calls which is
   the testcase when implementing the above new maximum length.

* 'i2c/for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (62 commits)
  i2c: remove redundant error print in stm32f7_i2c_probe
  i2c: testunit: add support for block process calls
  i2c: busses: Replace spin_lock_irqsave with spin_lock in hard IRQ
  dt-bindings: eeprom: at24: Document ROHM BR24G01
  i2c: i801: Add support for Intel Alder Lake PCH-P
  i2c: mv64xxx: Fix check for missing clock after adding RPM
  i2c: mux: mlxcpld: Add callback to notify mux creation completion
  i2c: mux: mlxcpld: Extend supported mux number
  i2c: mux: mlxcpld: Extend driver to support word address space devices
  i2c: mux: mlxcpld: Get rid of adapter numbers enforcement
  i2c: mux: mlxcpld: Prepare mux selection infrastructure for two-byte support
  i2c: mux: mlxcpld: Convert driver to platform driver
  i2c: imx: Synthesize end of transaction events without idle interrupts
  i2c: i2c-qcom-geni: Add shutdown callback for i2c
  i2c: mv64xxx: Add runtime PM support
  i2c: amd-mp2: Remove unused macro
  i2c: amd-mp2: convert to PCI logging functions
  i2c: mux: mlxcpld: Move header file out of x86 realm
  platform/x86: mlxcpld: Update module license
  i2c: mux: mlxcpld: Update module license
  ...
This commit is contained in:
Linus Torvalds
2021-02-22 09:02:24 -08:00
parent a26a9d8ab4 0b16cfd9e6
commit 32c080c4b5
44 changed files with 908 additions and 3203 deletions
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31
include/linux/platform_data/mlxcpld.h Normal file
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/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/*
* Mellanox I2C multiplexer support in CPLD
*
* Copyright (C) 2016-2020 Mellanox Technologies
*/
#ifndef _LINUX_I2C_MLXCPLD_H
#define _LINUX_I2C_MLXCPLD_H
/* Platform data for the CPLD I2C multiplexers */
/* mlxcpld_mux_plat_data - per mux data, used with i2c_register_board_info
* @chan_ids - channels array
* @num_adaps - number of adapters
* @sel_reg_addr - mux select register offset in CPLD space
* @reg_size: register size in bytes
* @handle: handle to be passed by callback
* @completion_notify: callback to notify when all the adapters are created
*/
struct mlxcpld_mux_plat_data {
int *chan_ids;
int num_adaps;
int sel_reg_addr;
u8 reg_size;
void *handle;
int (*completion_notify)(void *handle, struct i2c_adapter *parent,
struct i2c_adapter *adapters[]);
};
#endif /* _LINUX_I2C_MLXCPLD_H */

52
include/linux/platform_data/x86/mlxcpld.h
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@@ -1,52 +0,0 @@
/*
* mlxcpld.h - Mellanox I2C multiplexer support in CPLD
*
* Copyright (c) 2016 Mellanox Technologies. All rights reserved.
* Copyright (c) 2016 Michael Shych <michaels@mellanox.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the names of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LINUX_I2C_MLXCPLD_H
#define _LINUX_I2C_MLXCPLD_H
/* Platform data for the CPLD I2C multiplexers */
/* mlxcpld_mux_plat_data - per mux data, used with i2c_register_board_info
* @adap_ids - adapter array
* @num_adaps - number of adapters
* @sel_reg_addr - mux select register offset in CPLD space
*/
struct mlxcpld_mux_plat_data {
int *adap_ids;
int num_adaps;
int sel_reg_addr;
};
#endif /* _LINUX_I2C_MLXCPLD_H */