linux-kernel - Re: [PATCH 3/3] Staging: hv: mousevsc: Use the KBUILD

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Date:	Sat, 26 Nov 2011 16:59:28 -0800
From:	Greg KH <greg@...ah.com>
To:	H Hartley Sweeten <hartleys@...ionengravers.com>
Cc:	"K. Y. Srinivasan" <kys@...rosoft.com>,
	"gregkh@...e.de" <gregkh@...e.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"virtualization@...ts.osdl.org" <virtualization@...ts.osdl.org>,
	"ohering@...e.com" <ohering@...e.com>,
	"joe@...ches.com" <joe@...ches.com>,
	"dmitry.torokhov@...il.com" <dmitry.torokhov@...il.com>,
	"jkosina@...e.cz" <jkosina@...e.cz>
Subject: Re: [PATCH 3/3] Staging: hv: mousevsc: Use the KBUILD_MODNAME macro

On Fri, Oct 28, 2011 at 06:02:22PM -0500, H Hartley Sweeten wrote:
> On Friday, October 28, 2011 3:11 PM, K. Y. Srinivasan wrote:
> > 
> > Use the KBUILD_MODNAME macro.
> > 
> > Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
> > ---
> >  drivers/staging/hv/hv_mouse.c |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> > 
> > diff --git a/drivers/staging/hv/hv_mouse.c b/drivers/staging/hv/hv_mouse.c
> > index c22f729..2c2e1b4 100644
> > --- a/drivers/staging/hv/hv_mouse.c
> > +++ b/drivers/staging/hv/hv_mouse.c
> > @@ -578,7 +578,7 @@ static const struct hv_vmbus_device_id id_table[] = {
> >  MODULE_DEVICE_TABLE(vmbus, id_table);
> >  
> >  static struct  hv_driver mousevsc_drv = {
> > -	.name = "mousevsc",
> > +	.name = KBUILD_MODNAME,
> >  	.id_table = id_table,
> >  	.probe = mousevsc_probe,
> >  	.remove = mousevsc_remove,
> 
> It's just my opinion, but I'm not sure this is better.
> 
> By changing the name to KBUILD_MODNAME you can no longer grep the source to
> find the driver based on it's name:

That's fine.

> $ grep -r name * | grep mousevsc
> drivers/staging/hv/hv_mouse.c:  .name = "mousevsc",
> 
> Also, doesn't this change the name of the driver from "mousevsc" to "hv_mouse"?

Yes.

> Does anything else need modified to handle the name change or is the matching
> handled strictly by the id_table?

No, this only shows up in sysfs, no other changes needed.

thanks,

greg k-h
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