I2O_DRIVER_INIT(9) Message-based devices I2O_DRIVER_INIT(9)NAME
i2o_driver_init - initialize I2O drivers (OSMs)
SYNOPSIS
int i2o_driver_init(void);
ARGUMENTS
void
no arguments
DESCRIPTION
Registers the I2O bus and allocate memory for the array of OSMs.
Returns 0 on success or negative error code on failure.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 I2O_DRIVER_INIT(9)
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I2C_REGISTER_BOARD_I(9) I2C and SMBus Subsystem I2C_REGISTER_BOARD_I(9)NAME
i2c_register_board_info - statically declare I2C devices
SYNOPSIS
int i2c_register_board_info(int busnum, struct i2c_board_info const * info, unsigned len);
ARGUMENTS
busnum
identifies the bus to which these devices belong
info
vector of i2c device descriptors
len
how many descriptors in the vector; may be zero to reserve the specified bus number.
DESCRIPTION
Systems using the Linux I2C driver stack can declare tables of board info while they initialize. This should be done in board-specific init
code near arch_initcall time, or equivalent, before any I2C adapter driver is registered. For example, mainboard init code could define
several devices, as could the init code for each daughtercard in a board stack.
The I2C devices will be created later, after the adapter for the relevant bus has been registered. After that moment, standard driver model
tools are used to bind "new style" I2C drivers to the devices. The bus number for any device declared using this routine is not available
for dynamic allocation.
The board info passed can safely be __initdata, but be careful of embedded pointers (for platform_data, functions, etc) since that won't be
copied.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 I2C_REGISTER_BOARD_I(9)
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