Dear Ben Dooks,
On Tue, 03 Sep 2013 13:56:46 +0100, Ben Dooks wrote:
> > +static int em_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
> > + int num)
> > +{
> > + struct em_i2c_device *i2c_dev =
> > + (struct em_i2c_device *)(i2c_get_adapdata(adap));
>
> if this is used enough it may have been easier to add an to_em_i2c()
> macro.
Or simply realize that i2c_get_adapdata() returns a 'void *' and that
therefore the cast is unnecessary, which makes a to_em_i2c() macro
useless, no?
I.e, you should be able to write:
struct em_i2c_device *i2c_dev = i2c_get_adapdata(adap);
Thomas
--
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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