linux-kernel - [PATCH] x86/pci: print ioh resources only

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Message-ID: <4B61D7C4.1050405@kernel.org>
Date:	Thu, 28 Jan 2010 10:30:28 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Jeff Garrett <jeff@...rrett.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Linux PCI <linux-pci@...r.kernel.org>,
	Myron Stowe <myron.stowe@...com>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: [PATCH] x86/pci: print ioh resources only


don't use them for peer pci root bus resource yet.
so could cross check _CRS results

Signed-off-by: Yinghai Lu <yinghai@...nel.org>

---
 arch/x86/pci/intel_bus.c |   24 ++++++++----------------
 1 file changed, 8 insertions(+), 16 deletions(-)

Index: linux-2.6/arch/x86/pci/intel_bus.c
===================================================================
--- linux-2.6.orig/arch/x86/pci/intel_bus.c
+++ linux-2.6/arch/x86/pci/intel_bus.c
@@ -43,7 +43,7 @@ static void __devinit pci_root_bus_res(s
 {
 	u16 word;
 	u32 dword;
-	struct pci_root_info *info;
+	struct pci_root_info info;
 	u16 io_base, io_end;
 	u32 mmiol_base, mmiol_end;
 	u64 mmioh_base, mmioh_end;
@@ -53,30 +53,22 @@ static void __devinit pci_root_bus_res(s
 	if (dev->cfg_size < 0x120)
 		return;
 
-	if (pci_root_num >= PCI_ROOT_NR) {
-		printk(KERN_DEBUG "intel_bus.c: PCI_ROOT_NR is too small\n");
-		return;
-	}
-
-	info = &pci_root_info[pci_root_num];
-	pci_root_num++;
-
 	pci_read_config_word(dev, IOH_LCFGBUS, &word);
 	bus_base = (word & 0xff);
 	bus_end = (word & 0xff00) >> 8;
-	sprintf(info->name, "PCI Bus #%02x", bus_base);
-	info->bus_min = bus_base;
-	info->bus_max = bus_end;
+	sprintf(info.name, "PCI Bus #%02x", bus_base);
+	info.bus_min = bus_base;
+	info.bus_max = bus_end;
 
 	pci_read_config_word(dev, IOH_LIO, &word);
 	io_base = (word & 0xf0) << (12 - 4);
 	io_end = (word & 0xf000) | 0xfff;
-	update_res(info, io_base, io_end, IORESOURCE_IO, 0);
+	update_res(&info, io_base, io_end, IORESOURCE_IO, 0);
 
 	pci_read_config_dword(dev, IOH_LMMIOL, &dword);
 	mmiol_base = (dword & 0xff00) << (24 - 8);
 	mmiol_end = (dword & 0xff000000) | 0xffffff;
-	update_res(info, mmiol_base, mmiol_end, IORESOURCE_MEM, 0);
+	update_res(&info, mmiol_base, mmiol_end, IORESOURCE_MEM, 0);
 
 	pci_read_config_dword(dev, IOH_LMMIOH, &dword);
 	mmioh_base = ((u64)(dword & 0xfc00)) << (26 - 10);
@@ -85,9 +77,9 @@ static void __devinit pci_root_bus_res(s
 	mmioh_base |= ((u64)(dword & 0x7ffff)) << 32;
 	pci_read_config_dword(dev, IOH_LMMIOH_LIMITU, &dword);
 	mmioh_end |= ((u64)(dword & 0x7ffff)) << 32;
-	update_res(info, mmioh_base, mmioh_end, IORESOURCE_MEM, 0);
+	update_res(&info, mmioh_base, mmioh_end, IORESOURCE_MEM, 0);
 
-	print_ioh_resources(info);
+	print_ioh_resources(&info);
 }
 
 /* intel IOH */
--
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