linux-kernel - Re: [PATCH] driver core: fix warning of temporarily unused multithreaded probing function (was: Re: Linux 2.6.22-rc1)

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Message-ID: <20070514100607.5ed91646@gondolin.boeblingen.de.ibm.com>
Date:	Mon, 14 May 2007 10:06:07 +0200
From:	Cornelia Huck <cornelia.huck@...ibm.com>
To:	bbpetkov@...oo.de
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...e.de>
Subject: Re: [PATCH] driver core: fix warning of temporarily unused
 multithreaded probing function (was: Re: Linux 2.6.22-rc1)

On Sun, 13 May 2007 11:47:53 +0200,
Borislav Petkov <bbpetkov@...oo.de> wrote:

> if I'm not mistaken, despite the PCI_MULTITHREAD_PROBE removal,
> Cornelia Huck wanted to keep driver-core-per-subsystem-multithreaded-probing.patch:
> 
> <quote>
> > Wouldn't per-subsystem multithreaded probing just expose bugs that
> > could also be exposed on SMP systems?
> 
> Yes, it would be the same.
> </quote>

Hm, I don't think I'll follow up with this - we need a different
approach, I guess.

> However, device_probe_drivers() remains temporarily unused, so we either
> suppress the compiler warning or remove the whole function altogether. The
> following patch does the first.

I'd prefer to kill device_probe_drivers(). If we really need something
like this sometime in the future, we can easily resurrect it.

Signed-off-by: Cornelia Huck <cornelia.huck@...ibm.com>

---
 drivers/base/dd.c |   13 -------------
 1 file changed, 13 deletions(-)

--- linux-2.6.orig/drivers/base/dd.c
+++ linux-2.6/drivers/base/dd.c
@@ -207,19 +207,6 @@ static int __device_attach(struct device
 	return driver_probe_device(drv, dev);
 }
 
-static int device_probe_drivers(void *data)
-{
-	struct device *dev = data;
-	int ret = 0;
-
-	if (dev->bus) {
-		down(&dev->sem);
-		ret = bus_for_each_drv(dev->bus, NULL, dev, __device_attach);
-		up(&dev->sem);
-	}
-	return ret;
-}
-
 /**
  *	device_attach - try to attach device to a driver.
  *	@dev:	device.
-
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