[PATCH 2.4] PCI devices with no PCI_CACHE_LINE_SIZE implemented

[PATCH 2.4] PCI devices with no PCI_CACHE_LINE_SIZE implemented

[Matt Domsch]

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Marcelo, below is a patch to lower the severity of this printk to
KERN_DEBUG, as there are devices which (properly) don't implement the
PCI_CACHE_LINE_SIZE register, and it's not a bug, so don't print at a
WARNING level.  GregKH accepted the equivalent patch for 2.6.

Thanks,
Matt


----- Forwarded message from Matt Domsch <Matt_Domsch@dell.com> -----

Date: Wed, 5 May 2004 17:50:53 -0500
From: Matt Domsch <Matt_Domsch@dell.com>
To: Greg KH <greg@kroah.com>
Cc: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org
Subject: Re: PCI devices with no PCI_CACHE_LINE_SIZE implemented
In-Reply-To: <20040505223102.GF30003@kroah.com>

On Wed, May 05, 2004 at 03:31:02PM -0700, Greg KH wrote:
> On Thu, Apr 29, 2004 at 02:53:01PM -0500, Matt Domsch wrote:
> > a) need this be a warning, wouldn't KERN_DEBUG suffice, if a message
> > is needed at all?  This is printed in pci_generic_prep_mwi().
> 
> Yes, we should make that KERN_DEBUG.  I don't have a problem with that.
> Care to make a patch?

Patch for 2.4.27-pre1 appended.

Thanks,
Matt

-- 
Matt Domsch
Sr. Software Engineer, Lead Engineer
Dell Linux Solutions linux.dell.com & www.dell.com/linux
Linux on Dell mailing lists @ http://lists.us.dell.com

===== drivers/pci/pci.c 1.47 vs edited =====
--- 1.47/drivers/pci/pci.c	Mon Sep 22 07:27:35 2003
+++ edited/drivers/pci/pci.c	Wed May  5 17:49:13 2004
@@ -943,7 +943,7 @@
 	if (cacheline_size == pci_cache_line_size)
 		return 0;
 
-	printk(KERN_WARNING "PCI: cache line size of %d is not supported "
+	printk(KERN_DEBUG "PCI: cache line size of %d is not supported "
 	       "by device %s\n", pci_cache_line_size << 2, dev->slot_name);
 
 	return -EINVAL;

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