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Re: [RFC] zd1211rw: remove zd_addr_t typedef for a simple u16

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On Tue, Mar 10, 2009 at 06:26:11AM -0700, Daniel Drake wrote:
> Luis R. Rodriguez wrote:
> > The __nocast attribute is used to shut sparse up but we
> > don't need it, lets just use u16 directly.
> 
> Which warning does this remove?

Yeah sorry, I should have added that, here it is:

  CHECK   drivers/net/wireless/zd1211rw/zd_usb.c
drivers/net/wireless/zd1211rw/zd_usb.c:363:24: warning: implicit cast from nocast type
  CC [M]  drivers/net/wireless/zd1211rw/zd_usb.o

> The purpose of this system was (I think) to make it so that if you got
> addr and value in the wrong order in calls to e.g. zd_ioread16() then
> sparse would tell you about it. Looks like your patch would remove that
> protection?

Sure.

> Admittedly it is a bit of a strange thing and no excuse for programmers
> getting parameters in the wrong order.. if it needs to go then I'm happy
> with whatever you decide.

It would seem to make the code cleaner and more legible but it just fixed a
sparse warning for me. Unfortunately I don't have an old zydas hardware to
test it with too though.

  Luis
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