netdev - Re: [PATCH 03/41]bnx2x: MSI support

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Date:	Thu, 12 Feb 2009 22:55:42 +0200
From:	"Eilon Greenstein" <eilong@...adcom.com>
To:	"Ben Hutchings" <bhutchings@...arflare.com>
cc:	"David Miller" <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH 03/41]bnx2x: MSI support

On Thu, 2009-02-12 at 12:47 -0800, Ben Hutchings wrote:
> On Thu, 2009-02-12 at 22:37 +0200, Eilon Greenstein wrote:
> > On Thu, 2009-02-12 at 10:52 -0800, Ben Hutchings wrote:
> > Hi Ben!
> > 
> > It's always a pleasure to see how fast you respond. I really appreciate
> > the fact that you take the time to review my patches. Thanks!
> > 
> > > On Thu, 2009-02-12 at 20:36 +0200, Eilon Greenstein wrote:
> > > [...]
> > > > @@ -5359,9 +5360,28 @@
> > > >  #define PCICFG_PM_CSR_STATE			(0x3<<0)
> > > >  #define PCICFG_PM_CSR_PME_ENABLE		(1<<8)
> > > >  #define PCICFG_PM_CSR_PME_STATUS		(1<<15)
> > > > +#define PCICFG_MSI_CAP_ID				0x58
> > > 
> > > This appears to be a capability offset, not a capability id!  You might
> > > also consider not hard-coding it.
> > 
> > You are right - those are the offset for this device. I find it easier to
> > debug when I have the offsets at hand without the need to parse the
> > capabilities linked list. Since the offsets will not change for this
> > generation of chips, I don't see the harm in providing the explicit
> > offsets. I assume that the driver will require major changes for a new
> > generation even if I will use the capabilities ID...
> 
> I agree, the run-time lookup is not really necessary.  But please fix
> the name.

The name... Indeed it is misleading, I will fix it in the next patch (on top of this one)

Eilon

> Ben.
> 


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