Re: [PATCH 7/8] dmaengine: ste_dma40: Use the BIT macro to replace ugly '(1 << x)'s
From: Arnd Bergmann
Date: Tue Apr 09 2013 - 15:13:15 EST
On Tuesday 09 April 2013, Harvey Harrison wrote:
> On Tue, Apr 9, 2013 at 11:39 AM, Lee Jones <lee.jones@xxxxxxxxxx> wrote:
> > The aim is to make the code that little more readable.
> > Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
> > ---
> > #define MAX(a, b) (((a) < (b)) ? (b) : (a))
> Not part of your patch, but probably a good idea to switch to the
> generic MAX macro, this
> one is evaluating its args twice.
Yes, good point. The macro is only used in one place, to compare
two compile-time constant values, but we should define macros in
drivers that are already provided by the kernel.
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