Re: [PATCH] USB: ehci: use packed,aligned(4) instead of removingthe packed attribute

[Alan Stern]

On Mon, 20 Jun 2011, Alexander Holler wrote:

> I see it that way: packed is needed to be sure that at least for struct 
> ehci_regs there are no padding bytes inbetween the members.

But is it _really_ needed?

> It might 
> work without, but that depends on the compiler (-version, architecture, 
> whatever).

Have there _ever_ been _any_ combinations of compiler, version, 
architecture, whatever, that had unwanted padding bytes in this 
structure?

Alan Stern

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