Re: [PATCH 13/13] drivers/media/tuners/e4000.c: use macros for i2c_msg initialization

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On Sun, 7 Oct 2012, Joe Perches wrote:

On Sun, 2012-10-07 at 20:56 +0200, Julia Lawall wrote:
Some people thought that it would be nice to have the macros rather than
the inlined field initializations, especially since there is no flag for
write.  A separate question is whether an array of one element is useful,
or whether one should systematically use & on a simple variable of the
structure type.  I'm open to suggestions about either point.

I think the macro naming is not great.

Maybe add DEFINE_/DECLARE_/_INIT or something other than an action
name type to the macro names.

DEFINE and DECLARE usually have a declared variable as an argument, which
is not the case here.

These macros are like the macros PCI_DEVICE and PCI_DEVICE_CLASS.

I understand that.

Are READ and WRITE the action names?  They are really the important
information in this case.

Yes, most (all?) uses of _READ and _WRITE macros actually
perform some I/O.

I2C_MSG_READ_DATA?
I2C_MSG_READ_INFO?
I2C_MSG_READ_INIT?
I2C_MSG_PREPARE_READ?

julia
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