Thread (10 messages) 10 messages, 2 authors, 2011-06-27
STALE5494d

[PATCH] OMAP4: PANDA, SDP: Fix EHCI regulator supply

From: Felipe Balbi <hidden>
Date: 2011-06-27 10:11:40
Also in: linux-omap

Hi,

On Mon, Jun 27, 2011 at 03:35:41PM +0530, Jaswinder Singh wrote:
On 27 June 2011 14:05, Felipe Balbi [off-list ref] wrote:
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+static struct regulator_consumer_supply sdp4430_vusb_supply =
+ ? ? ? REGULATOR_SUPPLY("hsusb0", "ehci-omap.0");
this should be an array.
Ok, I can make it an array of _one_ element.
Though I am not sure why is that a good thing, or are we to use another
possible VUSB supply on Panda/SDP boards ? ?Please suggest so that
I can add that too.
same comment I gave before to another patch:

it makes the diff a lot easier to understand should anyone modify this
later. It's also a matter of consistency.
A quick grep showed otherwise though ...

In arch/arm/mach-omap2/
Total regulators defined                          =  71
Regulators with exactly 1 supply           =   58
Single element non-array definitions     =  46/58
Single element array definitions             =  12/58

Even if we consider 20% to be norm for consistency, I am not sure it's
a good one.
the patch which converted all non-array, to array seems to have been
taken yet, then.
Still many samsung guys piously enclose magic value defines in parenthesis,
just to maintain 'consistency' !
that's just plain stupidity.
And, I don't understand how does diff become any easier beyond 2
elements in the array.
http://marc.info/?l=linux-omap&m=130738044715490&w=2
Sorry for being bitchy, but I am unable to buy any reason other than
having more than
one element to use array.
I also seem to recall someone (either Russell or Linus) once explained
why we should never mistake one-element arrays with pointers.
Unfortunately, I fail to find the thread, it's quite old.

-- 
balbi
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