[Cocci] [PATCH 2/5] include: add setbits32/clrbits32/clrsetbits32/setbits64/clrbits64/clrsetbits64 in linux/setbits.h

LABBE Corentin clabbe at baylibre.com
Mon Sep 10 20:53:25 CEST 2018


On Mon, Sep 10, 2018 at 07:22:04AM +0200, Christophe LEROY wrote:
> 
> 
> Le 07/09/2018 à 21:41, Corentin Labbe a écrit :
> > This patch adds setbits32/clrbits32/clrsetbits32 and
> > setbits64/clrbits64/clrsetbits64 in linux/setbits.h header.
> 
> So you changed the name of setbits32() ... to setbits32_be() and now you 
> are adding new functions called setbits32() ... which do something 
> different ?
> 
> What will happen if any file has been forgotten during the conversion, 
> or if anybody has outoftree drivers and missed this change ?
> They will silently successfully compile without any error or warning, 
> and the result will be crap buggy.
> 
> And why would it be more legitim to have setbits32() be implicitely LE 
> instead of implicitely BE ?
> 
> I really think those new functions should be called something like 
> setbits_le32() ...
> 

I believed that writel/readl was endian agnostic so it explain my mistake.

I will use xxxbits_le32 as you requests.

Thanks
Regards


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