linux-kernel - Re: [PATCH v3] Bluetooth: btwilink driver

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Date:	Tue, 19 Oct 2010 18:54:03 -0200
From:	"Gustavo F. Padovan" <padovan@...fusion.mobi>
To:	"Savoy, Pavan" <pavan_savoy@...com>
Cc:	"marcel@...tmann.org" <marcel@...tmann.org>,
	"linux-bluetooth@...r.kernel.org" <linux-bluetooth@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] Bluetooth: btwilink driver

* Savoy, Pavan <pavan_savoy@...com> [2010-10-20 02:15:29 +0530]:

> 
> 
> 
> > -----Original Message-----
> > From: Gustavo F. Padovan [mailto:pao@...fusion.mobi] On Behalf Of Gustavo F.
> > Padovan
> > Sent: Tuesday, October 19, 2010 3:39 PM
> > To: Savoy, Pavan
> > Cc: marcel@...tmann.org; linux-bluetooth@...r.kernel.org; linux-
> > kernel@...r.kernel.org
> > Subject: Re: [PATCH v3] Bluetooth: btwilink driver
> > 
> > * pavan_savoy@...com <pavan_savoy@...com> [2010-10-19 16:57:38 -0400]:
> > 
> > > From: Pavan Savoy <pavan_savoy@...com>
> > >
> > > v3 comments
> > >
> > > Marcel, Gustavo, & list,
> > > Please review this version of patch.
> > >
> > > Anderson,
> > > I have taken care of most of the comments you had.
> > > Have re-wrote some of the code commenting you've mentioned.
> > > Thanks for the comments,
> > >
> > > The other few like -EPERM for platform driver registration is to keep
> > > it similar to other drivers
> > 
> > Which drivers returns -EPERM to any kind of error? The are many reasons
> > why the funcion can fail, and you want to give the best error report to the
> > user. Use EPERM to all of them is just wrong.
> 
> Yes, it can fail for plenty of reasons.
> So I'll just return whatever I get from platform_driver_register.
> Is this OK?

Yes. 
 
> 
> > >type casting is maintained just to feel safe
> > > and have style similar to other drivers.
> > 
> > We don't need to feel safe here. Type cast actually can hide errors,
> > only use them when you really need to cast, in many case here you don't.
> 
> Ok, I can remove type casting.
> I am not really for or against it...

Yes, do that please. ;)


-- 
Gustavo F. Padovan
ProFUSION embedded systems - http://profusion.mobi
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