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Merge branch 'i2c/for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Browse source 
Pull i2c updates from Wolfram Sang:
 "This pull request contains:

   - i2c core reorganization. One source file became too monolithic. It
     is now split up, yet we still have the same named object as the
     final output. This should ease maintenance.

   - new drivers: ZTE ZX2967 family, ASPEED 24XX/25XX

   - designware driver gained slave mode support

   - xgene-slimpro driver gained ACPI support

   - bigger overhaul for pca-platform driver

   - the algo-bit module now supports messages with enforced STOP

   - slightly bigger than usual set of driver updates and improvements

  and with much appreciated quality assurance from Andy Shevchenko"

* 'i2c/for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (51 commits)
  i2c: Provide a stub for i2c_detect_slave_mode()
  i2c: designware: Let slave adapter support be optional
  i2c: designware: Make HW init functions static
  i2c: designware: fix spelling mistakes
  i2c: pca-platform: propagate error from i2c_pca_add_numbered_bus
  i2c: pca-platform: correctly set algo_data.reset_chip
  i2c: acpi: Do not create i2c-clients for LNXVIDEO ACPI devices
  i2c: designware: enable SLAVE in platform module
  i2c: designware: add SLAVE mode functions
  i2c: zx2967: drop COMPILE_TEST dependency
  i2c: zx2967: always use the same device when printing errors
  i2c: pca-platform: use dev_warn/dev_info instead of printk
  i2c: pca-platform: use device managed allocations
  i2c: pca-platform: add devicetree awareness
  i2c: pca-platform: switch to struct gpio_desc
  dt-bindings: add bindings for i2c-pca-platform
  i2c: cadance: fix ctrl/addr reg write order
  i2c: zx2967: add i2c controller driver for ZTE's zx2967 family
  dt: bindings: add documentation for zx2967 family i2c controller
  i2c: algo-bit: add support for I2C_M_STOP
  ...
This commit is contained in:
Linus Torvalds 2017-07-12 10:04:56 -07:00
commit 235b84fc86
41 changed files with 4969 additions and 2508 deletions
Download patch file Download diff file Expand all files Collapse all files

226
include/trace/events/i2c.h
View file

@ -1,4 +1,4 @@
/* I2C and SMBUS message transfer tracepoints
/* I2C message transfer tracepoints
*
* Copyright (C) 2013 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
@ -18,7 +18,7 @@
#include <linux/tracepoint.h>
/*
* drivers/i2c/i2c-core.c
* drivers/i2c/i2c-core-base.c
*/
extern int i2c_transfer_trace_reg(void);
extern void i2c_transfer_trace_unreg(void);
@ -144,228 +144,6 @@ TRACE_EVENT_FN(i2c_result,
i2c_transfer_trace_reg,
i2c_transfer_trace_unreg);
/*
* i2c_smbus_xfer() write data or procedure call request
*/
TRACE_EVENT_CONDITION(smbus_write,
TP_PROTO(const struct i2c_adapter *adap,
u16 addr, unsigned short flags,
char read_write, u8 command, int protocol,
const union i2c_smbus_data *data),
TP_ARGS(adap, addr, flags, read_write, command, protocol, data),
TP_CONDITION(read_write == I2C_SMBUS_WRITE ||
protocol == I2C_SMBUS_PROC_CALL ||
protocol == I2C_SMBUS_BLOCK_PROC_CALL),
TP_STRUCT__entry(
__field(int, adapter_nr )
__field(__u16, addr )
__field(__u16, flags )
__field(__u8, command )
__field(__u8, len )
__field(__u32, protocol )
__array(__u8, buf, I2C_SMBUS_BLOCK_MAX + 2) ),
TP_fast_assign(
__entry->adapter_nr = adap->nr;
__entry->addr = addr;
__entry->flags = flags;
__entry->command = command;
__entry->protocol = protocol;
switch (protocol) {
case I2C_SMBUS_BYTE_DATA:
__entry->len = 1;
goto copy;
case I2C_SMBUS_WORD_DATA:
case I2C_SMBUS_PROC_CALL:
__entry->len = 2;
goto copy;
case I2C_SMBUS_BLOCK_DATA:
case I2C_SMBUS_BLOCK_PROC_CALL:
case I2C_SMBUS_I2C_BLOCK_DATA:
__entry->len = data->block[0] + 1;
copy:
memcpy(__entry->buf, data->block, __entry->len);
break;
case I2C_SMBUS_QUICK:
case I2C_SMBUS_BYTE:
case I2C_SMBUS_I2C_BLOCK_BROKEN:
default:
__entry->len = 0;
}
),
TP_printk("i2c-%d a=%03x f=%04x c=%x %s l=%u [%*phD]",
__entry->adapter_nr,
__entry->addr,
__entry->flags,
__entry->command,
__print_symbolic(__entry->protocol,
{ I2C_SMBUS_QUICK, "QUICK" },
{ I2C_SMBUS_BYTE, "BYTE" },
{ I2C_SMBUS_BYTE_DATA, "BYTE_DATA" },
{ I2C_SMBUS_WORD_DATA, "WORD_DATA" },
{ I2C_SMBUS_PROC_CALL, "PROC_CALL" },
{ I2C_SMBUS_BLOCK_DATA, "BLOCK_DATA" },
{ I2C_SMBUS_I2C_BLOCK_BROKEN, "I2C_BLOCK_BROKEN" },
{ I2C_SMBUS_BLOCK_PROC_CALL, "BLOCK_PROC_CALL" },
{ I2C_SMBUS_I2C_BLOCK_DATA, "I2C_BLOCK_DATA" }),
__entry->len,
__entry->len, __entry->buf
));
/*
* i2c_smbus_xfer() read data request
*/
TRACE_EVENT_CONDITION(smbus_read,
TP_PROTO(const struct i2c_adapter *adap,
u16 addr, unsigned short flags,
char read_write, u8 command, int protocol),
TP_ARGS(adap, addr, flags, read_write, command, protocol),
TP_CONDITION(!(read_write == I2C_SMBUS_WRITE ||
protocol == I2C_SMBUS_PROC_CALL ||
protocol == I2C_SMBUS_BLOCK_PROC_CALL)),
TP_STRUCT__entry(
__field(int, adapter_nr )
__field(__u16, flags )
__field(__u16, addr )
__field(__u8, command )
__field(__u32, protocol )
__array(__u8, buf, I2C_SMBUS_BLOCK_MAX + 2) ),
TP_fast_assign(
__entry->adapter_nr = adap->nr;
__entry->addr = addr;
__entry->flags = flags;
__entry->command = command;
__entry->protocol = protocol;
),
TP_printk("i2c-%d a=%03x f=%04x c=%x %s",
__entry->adapter_nr,
__entry->addr,
__entry->flags,
__entry->command,
__print_symbolic(__entry->protocol,
{ I2C_SMBUS_QUICK, "QUICK" },
{ I2C_SMBUS_BYTE, "BYTE" },
{ I2C_SMBUS_BYTE_DATA, "BYTE_DATA" },
{ I2C_SMBUS_WORD_DATA, "WORD_DATA" },
{ I2C_SMBUS_PROC_CALL, "PROC_CALL" },
{ I2C_SMBUS_BLOCK_DATA, "BLOCK_DATA" },
{ I2C_SMBUS_I2C_BLOCK_BROKEN, "I2C_BLOCK_BROKEN" },
{ I2C_SMBUS_BLOCK_PROC_CALL, "BLOCK_PROC_CALL" },
{ I2C_SMBUS_I2C_BLOCK_DATA, "I2C_BLOCK_DATA" })
));
/*
* i2c_smbus_xfer() read data or procedure call reply
*/
TRACE_EVENT_CONDITION(smbus_reply,
TP_PROTO(const struct i2c_adapter *adap,
u16 addr, unsigned short flags,
char read_write, u8 command, int protocol,
const union i2c_smbus_data *data),
TP_ARGS(adap, addr, flags, read_write, command, protocol, data),
TP_CONDITION(read_write == I2C_SMBUS_READ),
TP_STRUCT__entry(
__field(int, adapter_nr )
__field(__u16, addr )
__field(__u16, flags )
__field(__u8, command )
__field(__u8, len )
__field(__u32, protocol )
__array(__u8, buf, I2C_SMBUS_BLOCK_MAX + 2) ),
TP_fast_assign(
__entry->adapter_nr = adap->nr;
__entry->addr = addr;
__entry->flags = flags;
__entry->command = command;
__entry->protocol = protocol;
switch (protocol) {
case I2C_SMBUS_BYTE:
case I2C_SMBUS_BYTE_DATA:
__entry->len = 1;
goto copy;
case I2C_SMBUS_WORD_DATA:
case I2C_SMBUS_PROC_CALL:
__entry->len = 2;
goto copy;
case I2C_SMBUS_BLOCK_DATA:
case I2C_SMBUS_BLOCK_PROC_CALL:
case I2C_SMBUS_I2C_BLOCK_DATA:
__entry->len = data->block[0] + 1;
copy:
memcpy(__entry->buf, data->block, __entry->len);
break;
case I2C_SMBUS_QUICK:
case I2C_SMBUS_I2C_BLOCK_BROKEN:
default:
__entry->len = 0;
}
),
TP_printk("i2c-%d a=%03x f=%04x c=%x %s l=%u [%*phD]",
__entry->adapter_nr,
__entry->addr,
__entry->flags,
__entry->command,
__print_symbolic(__entry->protocol,
{ I2C_SMBUS_QUICK, "QUICK" },
{ I2C_SMBUS_BYTE, "BYTE" },
{ I2C_SMBUS_BYTE_DATA, "BYTE_DATA" },
{ I2C_SMBUS_WORD_DATA, "WORD_DATA" },
{ I2C_SMBUS_PROC_CALL, "PROC_CALL" },
{ I2C_SMBUS_BLOCK_DATA, "BLOCK_DATA" },
{ I2C_SMBUS_I2C_BLOCK_BROKEN, "I2C_BLOCK_BROKEN" },
{ I2C_SMBUS_BLOCK_PROC_CALL, "BLOCK_PROC_CALL" },
{ I2C_SMBUS_I2C_BLOCK_DATA, "I2C_BLOCK_DATA" }),
__entry->len,
__entry->len, __entry->buf
));
/*
* i2c_smbus_xfer() result
*/
TRACE_EVENT(smbus_result,
TP_PROTO(const struct i2c_adapter *adap,
u16 addr, unsigned short flags,
char read_write, u8 command, int protocol,
int res),
TP_ARGS(adap, addr, flags, read_write, command, protocol, res),
TP_STRUCT__entry(
__field(int, adapter_nr )
__field(__u16, addr )
__field(__u16, flags )
__field(__u8, read_write )
__field(__u8, command )
__field(__s16, res )
__field(__u32, protocol )
),
TP_fast_assign(
__entry->adapter_nr = adap->nr;
__entry->addr = addr;
__entry->flags = flags;
__entry->read_write = read_write;
__entry->command = command;
__entry->protocol = protocol;
__entry->res = res;
),
TP_printk("i2c-%d a=%03x f=%04x c=%x %s %s res=%d",
__entry->adapter_nr,
__entry->addr,
__entry->flags,
__entry->command,
__print_symbolic(__entry->protocol,
{ I2C_SMBUS_QUICK, "QUICK" },
{ I2C_SMBUS_BYTE, "BYTE" },
{ I2C_SMBUS_BYTE_DATA, "BYTE_DATA" },
{ I2C_SMBUS_WORD_DATA, "WORD_DATA" },
{ I2C_SMBUS_PROC_CALL, "PROC_CALL" },
{ I2C_SMBUS_BLOCK_DATA, "BLOCK_DATA" },
{ I2C_SMBUS_I2C_BLOCK_BROKEN, "I2C_BLOCK_BROKEN" },
{ I2C_SMBUS_BLOCK_PROC_CALL, "BLOCK_PROC_CALL" },
{ I2C_SMBUS_I2C_BLOCK_DATA, "I2C_BLOCK_DATA" }),
__entry->read_write == I2C_SMBUS_WRITE ? "wr" : "rd",
__entry->res
));
#endif /* _TRACE_I2C_H */
/* This part must be outside protection */

249
include/trace/events/smbus.h Normal file
View file

@ -0,0 +1,249 @@
/* SMBUS message transfer tracepoints
*
* Copyright (C) 2013 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public Licence
* as published by the Free Software Foundation; either version
* 2 of the Licence, or (at your option) any later version.
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM smbus
#if !defined(_TRACE_SMBUS_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_SMBUS_H
#include <linux/i2c.h>
#include <linux/tracepoint.h>
/*
* drivers/i2c/i2c-core-smbus.c
*/
/*
* i2c_smbus_xfer() write data or procedure call request
*/
TRACE_EVENT_CONDITION(smbus_write,
TP_PROTO(const struct i2c_adapter *adap,
u16 addr, unsigned short flags,
char read_write, u8 command, int protocol,
const union i2c_smbus_data *data),
TP_ARGS(adap, addr, flags, read_write, command, protocol, data),
TP_CONDITION(read_write == I2C_SMBUS_WRITE ||
protocol == I2C_SMBUS_PROC_CALL ||
protocol == I2C_SMBUS_BLOCK_PROC_CALL),
TP_STRUCT__entry(
__field(int, adapter_nr )
__field(__u16, addr )
__field(__u16, flags )
__field(__u8, command )
__field(__u8, len )
__field(__u32, protocol )
__array(__u8, buf, I2C_SMBUS_BLOCK_MAX + 2) ),
TP_fast_assign(
__entry->adapter_nr = adap->nr;
__entry->addr = addr;
__entry->flags = flags;
__entry->command = command;
__entry->protocol = protocol;
switch (protocol) {
case I2C_SMBUS_BYTE_DATA:
__entry->len = 1;
goto copy;
case I2C_SMBUS_WORD_DATA:
case I2C_SMBUS_PROC_CALL:
__entry->len = 2;
goto copy;
case I2C_SMBUS_BLOCK_DATA:
case I2C_SMBUS_BLOCK_PROC_CALL:
case I2C_SMBUS_I2C_BLOCK_DATA:
__entry->len = data->block[0] + 1;
copy:
memcpy(__entry->buf, data->block, __entry->len);
break;
case I2C_SMBUS_QUICK:
case I2C_SMBUS_BYTE:
case I2C_SMBUS_I2C_BLOCK_BROKEN:
default:
__entry->len = 0;
}
),
TP_printk("i2c-%d a=%03x f=%04x c=%x %s l=%u [%*phD]",
__entry->adapter_nr,
__entry->addr,
__entry->flags,
__entry->command,
__print_symbolic(__entry->protocol,
{ I2C_SMBUS_QUICK, "QUICK" },
{ I2C_SMBUS_BYTE, "BYTE" },
{ I2C_SMBUS_BYTE_DATA, "BYTE_DATA" },
{ I2C_SMBUS_WORD_DATA, "WORD_DATA" },
{ I2C_SMBUS_PROC_CALL, "PROC_CALL" },
{ I2C_SMBUS_BLOCK_DATA, "BLOCK_DATA" },
{ I2C_SMBUS_I2C_BLOCK_BROKEN, "I2C_BLOCK_BROKEN" },
{ I2C_SMBUS_BLOCK_PROC_CALL, "BLOCK_PROC_CALL" },
{ I2C_SMBUS_I2C_BLOCK_DATA, "I2C_BLOCK_DATA" }),
__entry->len,
__entry->len, __entry->buf
));
/*
* i2c_smbus_xfer() read data request
*/
TRACE_EVENT_CONDITION(smbus_read,
TP_PROTO(const struct i2c_adapter *adap,
u16 addr, unsigned short flags,
char read_write, u8 command, int protocol),
TP_ARGS(adap, addr, flags, read_write, command, protocol),
TP_CONDITION(!(read_write == I2C_SMBUS_WRITE ||
protocol == I2C_SMBUS_PROC_CALL ||
protocol == I2C_SMBUS_BLOCK_PROC_CALL)),
TP_STRUCT__entry(
__field(int, adapter_nr )
__field(__u16, flags )
__field(__u16, addr )
__field(__u8, command )
__field(__u32, protocol )
__array(__u8, buf, I2C_SMBUS_BLOCK_MAX + 2) ),
TP_fast_assign(
__entry->adapter_nr = adap->nr;
__entry->addr = addr;
__entry->flags = flags;
__entry->command = command;
__entry->protocol = protocol;
),
TP_printk("i2c-%d a=%03x f=%04x c=%x %s",
__entry->adapter_nr,
__entry->addr,
__entry->flags,
__entry->command,
__print_symbolic(__entry->protocol,
{ I2C_SMBUS_QUICK, "QUICK" },
{ I2C_SMBUS_BYTE, "BYTE" },
{ I2C_SMBUS_BYTE_DATA, "BYTE_DATA" },
{ I2C_SMBUS_WORD_DATA, "WORD_DATA" },
{ I2C_SMBUS_PROC_CALL, "PROC_CALL" },
{ I2C_SMBUS_BLOCK_DATA, "BLOCK_DATA" },
{ I2C_SMBUS_I2C_BLOCK_BROKEN, "I2C_BLOCK_BROKEN" },
{ I2C_SMBUS_BLOCK_PROC_CALL, "BLOCK_PROC_CALL" },
{ I2C_SMBUS_I2C_BLOCK_DATA, "I2C_BLOCK_DATA" })
));
/*
* i2c_smbus_xfer() read data or procedure call reply
*/
TRACE_EVENT_CONDITION(smbus_reply,
TP_PROTO(const struct i2c_adapter *adap,
u16 addr, unsigned short flags,
char read_write, u8 command, int protocol,
const union i2c_smbus_data *data),
TP_ARGS(adap, addr, flags, read_write, command, protocol, data),
TP_CONDITION(read_write == I2C_SMBUS_READ),
TP_STRUCT__entry(
__field(int, adapter_nr )
__field(__u16, addr )
__field(__u16, flags )
__field(__u8, command )
__field(__u8, len )
__field(__u32, protocol )
__array(__u8, buf, I2C_SMBUS_BLOCK_MAX + 2) ),
TP_fast_assign(
__entry->adapter_nr = adap->nr;
__entry->addr = addr;
__entry->flags = flags;
__entry->command = command;
__entry->protocol = protocol;
switch (protocol) {
case I2C_SMBUS_BYTE:
case I2C_SMBUS_BYTE_DATA:
__entry->len = 1;
goto copy;
case I2C_SMBUS_WORD_DATA:
case I2C_SMBUS_PROC_CALL:
__entry->len = 2;
goto copy;
case I2C_SMBUS_BLOCK_DATA:
case I2C_SMBUS_BLOCK_PROC_CALL:
case I2C_SMBUS_I2C_BLOCK_DATA:
__entry->len = data->block[0] + 1;
copy:
memcpy(__entry->buf, data->block, __entry->len);
break;
case I2C_SMBUS_QUICK:
case I2C_SMBUS_I2C_BLOCK_BROKEN:
default:
__entry->len = 0;
}
),
TP_printk("i2c-%d a=%03x f=%04x c=%x %s l=%u [%*phD]",
__entry->adapter_nr,
__entry->addr,
__entry->flags,
__entry->command,
__print_symbolic(__entry->protocol,
{ I2C_SMBUS_QUICK, "QUICK" },
{ I2C_SMBUS_BYTE, "BYTE" },
{ I2C_SMBUS_BYTE_DATA, "BYTE_DATA" },
{ I2C_SMBUS_WORD_DATA, "WORD_DATA" },
{ I2C_SMBUS_PROC_CALL, "PROC_CALL" },
{ I2C_SMBUS_BLOCK_DATA, "BLOCK_DATA" },
{ I2C_SMBUS_I2C_BLOCK_BROKEN, "I2C_BLOCK_BROKEN" },
{ I2C_SMBUS_BLOCK_PROC_CALL, "BLOCK_PROC_CALL" },
{ I2C_SMBUS_I2C_BLOCK_DATA, "I2C_BLOCK_DATA" }),
__entry->len,
__entry->len, __entry->buf
));
/*
* i2c_smbus_xfer() result
*/
TRACE_EVENT(smbus_result,
TP_PROTO(const struct i2c_adapter *adap,
u16 addr, unsigned short flags,
char read_write, u8 command, int protocol,
int res),
TP_ARGS(adap, addr, flags, read_write, command, protocol, res),
TP_STRUCT__entry(
__field(int, adapter_nr )
__field(__u16, addr )
__field(__u16, flags )
__field(__u8, read_write )
__field(__u8, command )
__field(__s16, res )
__field(__u32, protocol )
),
TP_fast_assign(
__entry->adapter_nr = adap->nr;
__entry->addr = addr;
__entry->flags = flags;
__entry->read_write = read_write;
__entry->command = command;
__entry->protocol = protocol;
__entry->res = res;
),
TP_printk("i2c-%d a=%03x f=%04x c=%x %s %s res=%d",
__entry->adapter_nr,
__entry->addr,
__entry->flags,
__entry->command,
__print_symbolic(__entry->protocol,
{ I2C_SMBUS_QUICK, "QUICK" },
{ I2C_SMBUS_BYTE, "BYTE" },
{ I2C_SMBUS_BYTE_DATA, "BYTE_DATA" },
{ I2C_SMBUS_WORD_DATA, "WORD_DATA" },
{ I2C_SMBUS_PROC_CALL, "PROC_CALL" },
{ I2C_SMBUS_BLOCK_DATA, "BLOCK_DATA" },
{ I2C_SMBUS_I2C_BLOCK_BROKEN, "I2C_BLOCK_BROKEN" },
{ I2C_SMBUS_BLOCK_PROC_CALL, "BLOCK_PROC_CALL" },
{ I2C_SMBUS_I2C_BLOCK_DATA, "I2C_BLOCK_DATA" }),
__entry->read_write == I2C_SMBUS_WRITE ? "wr" : "rd",
__entry->res
));
#endif /* _TRACE_SMBUS_H */
/* This part must be outside protection */
#include <trace/define_trace.h>