Re: [PATCH v4 16/18] i2c: allow adapter drivers to override the adapter locking

From: kbuild test robot
Date: Fri Mar 04 2016 - 00:59:48 EST


Hi Peter,

[auto build test WARNING on v4.5-rc6]
[cannot apply to wsa/i2c/for-next sailus-media/master next-20160303]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url: https://github.com/0day-ci/linux/commits/Peter-Rosin/i2c-mux-cleanup-and-locking-update/20160304-112229
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

include/linux/init.h:1: warning: no structured comments found
kernel/sys.c:1: warning: no structured comments found
drivers/dma-buf/seqno-fence.c:1: warning: no structured comments found
drivers/dma-buf/reservation.c:1: warning: no structured comments found
include/linux/reservation.h:1: warning: no structured comments found
include/linux/spi/spi.h:540: warning: No description found for parameter 'max_transfer_size'
>> drivers/i2c/i2c-core.c:966: warning: No description found for parameter 'flags'
drivers/i2c/i2c-core.c:980: warning: No description found for parameter 'flags'
drivers/i2c/i2c-core.c:994: warning: No description found for parameter 'flags'

vim +/flags +966 drivers/i2c/i2c-core.c

0826374b Michael Lawnick 2010-08-11 950
97cc4d49 Jean Delvare 2010-10-24 951 if (parent)
97cc4d49 Jean Delvare 2010-10-24 952 result = i2c_check_mux_parents(parent, addr);
0826374b Michael Lawnick 2010-08-11 953
0826374b Michael Lawnick 2010-08-11 954 if (!result)
0826374b Michael Lawnick 2010-08-11 955 result = device_for_each_child(&adapter->dev, &addr,
0826374b Michael Lawnick 2010-08-11 956 i2c_check_mux_children);
0826374b Michael Lawnick 2010-08-11 957
0826374b Michael Lawnick 2010-08-11 958 return result;
3b5f794b Jean Delvare 2010-06-03 959 }
3b5f794b Jean Delvare 2010-06-03 960
9c1600ed David Brownell 2007-05-01 961 /**
7adc3913 Peter Rosin 2016-03-03 962 * i2c_adapter_lock_bus - Get exclusive access to an I2C bus segment
fe61e07e Jean Delvare 2010-08-11 963 * @adapter: Target I2C bus segment
fe61e07e Jean Delvare 2010-08-11 964 */
7adc3913 Peter Rosin 2016-03-03 965 static void i2c_adapter_lock_bus(struct i2c_adapter *adapter, int flags)
fe61e07e Jean Delvare 2010-08-11 @966 {
97cc4d49 Jean Delvare 2010-10-24 967 struct i2c_adapter *parent = i2c_parent_is_i2c_adapter(adapter);
97cc4d49 Jean Delvare 2010-10-24 968
97cc4d49 Jean Delvare 2010-10-24 969 if (parent)
97cc4d49 Jean Delvare 2010-10-24 970 i2c_lock_adapter(parent);
0826374b Michael Lawnick 2010-08-11 971 else
fe61e07e Jean Delvare 2010-08-11 972 rt_mutex_lock(&adapter->bus_lock);
fe61e07e Jean Delvare 2010-08-11 973 }
fe61e07e Jean Delvare 2010-08-11 974

:::::: The code at line 966 was first introduced by commit
:::::: fe61e07e9ebc890c70d97a1f72ddaad4bee2d848 i2c: Move adapter locking helpers to i2c-core

:::::: TO: Jean Delvare <khali@xxxxxxxxxxxx>
:::::: CC: Jean Delvare <khali@xxxxxxxxxxxx>

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