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> From: Godwin Stewart <gstewart at spamcop.net>
> To: Frodo Looijaard <frodol at dds.nl>
> Subject: Linux kernel / i2c_adapter structure
> Organization: Nope, none here, it's a mess ;o)
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> Hi there,
>
> I noticed a change in the definition of the i2c_adapter structure in
> $SRC/include/linux/i2c.h between the 2.4.x and 2.6.0 kernels. More
> precisely, the following members are no longer present:
>
> /* --- These may be NULL, but should increase the module use count */
> void (*inc_use)(struct i2c_adapter *);
> void (*dec_use)(struct i2c_adapter *);
>
> void *data; /* private data for the adapter */
> /* some data fields that are used by all types */
> /* these data fields are readonly to the public */
> /* and can be set via the i2c_ioctl call */
>
>
> The problem is that the em8300 drivers for DXR3/Hollywood+ MPEG2 decoder
> boards (see http://dxr3.sourceforge.net) use these members in their source.
>
> My question is therefore, with what has their functionality been replaced?
Use the i2c_get_adapdata() and i2c_set_adapdata() functions to get and
set a private data pointer. See the adapter drivers for examples of how
to use this properly.
Hope this helps,
greg k-h
