Re: [PATCH v2] drivers: regulator: add Maxim 8998 driver

From: Mark Brown
Date: Tue Jun 15 2010 - 09:15:07 EST

On Tue, Jun 15, 2010 at 02:38:26PM +0200, Marek Szyprowski wrote:

> Are global exports preferred over the callbacks? I saw both in different
> MFD drivers and was not sure which one to use.

> I've selected callbacks, because they are a bit nicer and don't pollute
> the name space for each single driver. In my opinion the cost of these
> 3 max8998_reg_{read,write,update} inline functions in regulator/max8998.c
> is not so significant.

The dereferences looked fairly painful reading the code. You can always
do the global stuff as static inlines in the header file which avoids
namespace pollution while keeping the code looking like a function call.
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