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From: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
To: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Andrew Morton <akpm@osdl.org>, Len Brown <len.brown@intel.com>,
	"Luck, Tony" <tony.luck@intel.com>, Greg KH <greg@kroah.com>,
	acpi-devel@lists.sourceforge.net, linux-ia64@vger.kernel.org,
	pcihpd-discuss@lists.sourceforge.net
Subject: Re: [ACPI] [RFC/PATCH 3/3] ACPI based I/O APIC hot-plug
Date: Fri, 22 Apr 2005 15:38:35 +0900	[thread overview]
Message-ID: <42689BEB.90401@jp.fujitsu.com> (raw)
In-Reply-To: <1114104131.2784.43.camel@eeyore>

Bjorn Helgaas wrote:
> 
>>+		if ((dev->class >> 8) != PCI_CLASS_SYSTEM_PIC)
>>+			continue;
>>+		if ((dev->class & 0xff) == 0x10 || (dev->class & 0xff) == 0x20)
> 
> 
> What are 0x10 and 0x20?  Looks like they should be #defines in
> include/linux/pci_ids.h.

0x10 and 0x20 are programing interfaces for I/O APIC and I/O xAPIC
respectively. #define for these values looks good. But I don't know
if I can put new #defines into pci_ids.h and how to name them because
I could not find the header file (including pci_ids.h) that #defines
the values for programming interfaces. So I want to add the comments
to explain these values (0x10, 0x20) instead of adding new #defines into
pci_ids.h for now.

Thanks,
Kenji Kaneshige

WARNING: multiple messages have this Message-ID (diff)
From: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
To: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Andrew Morton <akpm@osdl.org>, Len Brown <len.brown@intel.com>,
	"Luck, Tony" <tony.luck@intel.com>, Greg KH <greg@kroah.com>,
	acpi-devel@lists.sourceforge.net, linux-ia64@vger.kernel.org,
	pcihpd-discuss@lists.sourceforge.net
Subject: Re: [ACPI] [RFC/PATCH 3/3] ACPI based I/O APIC hot-plug
Date: Fri, 22 Apr 2005 06:38:35 +0000	[thread overview]
Message-ID: <42689BEB.90401@jp.fujitsu.com> (raw)
In-Reply-To: <1114104131.2784.43.camel@eeyore>

Bjorn Helgaas wrote:
> 
>>+		if ((dev->class >> 8) != PCI_CLASS_SYSTEM_PIC)
>>+			continue;
>>+		if ((dev->class & 0xff) = 0x10 || (dev->class & 0xff) = 0x20)
> 
> 
> What are 0x10 and 0x20?  Looks like they should be #defines in
> include/linux/pci_ids.h.

0x10 and 0x20 are programing interfaces for I/O APIC and I/O xAPIC
respectively. #define for these values looks good. But I don't know
if I can put new #defines into pci_ids.h and how to name them because
I could not find the header file (including pci_ids.h) that #defines
the values for programming interfaces. So I want to add the comments
to explain these values (0x10, 0x20) instead of adding new #defines into
pci_ids.h for now.

Thanks,
Kenji Kaneshige

  reply	other threads:[~2005-04-22  6:38 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-04-21 13:39 [RFC/PATCH 3/3] ACPI based I/O APIC hot-plug Kenji Kaneshige
2005-04-21 13:39 ` Kenji Kaneshige
2005-04-21 17:22 ` [ACPI] " Bjorn Helgaas
2005-04-21 17:22   ` Bjorn Helgaas
2005-04-22  6:38   ` Kenji Kaneshige [this message]
2005-04-22  6:38     ` Kenji Kaneshige
2005-04-22 14:58     ` Bjorn Helgaas
2005-04-22 14:58       ` Bjorn Helgaas
2005-04-22 15:15       ` Greg KH
2005-04-22 15:15         ` [ACPI] " Greg KH
2005-04-25  9:16       ` Kenji Kaneshige
2005-04-25  9:16         ` Kenji Kaneshige

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