From: Yinghai Lu <Yinghai.Lu@Sun.COM>
To: Ingo Molnar <mingo@elte.hu>, Greg KH <greg@kroah.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH] x86: remove unneeded check in mmconf reject
Date: Wed, 20 Feb 2008 22:21:57 -0800 [thread overview]
Message-ID: <200802202221.57699.yinghai.lu@sun.com> (raw)
mmconfig is only used to access ext conf space.
so don't need to reject MFG that only have one entry and only handle bus0
Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
Index: linux-2.6/arch/x86/pci/mmconfig-shared.c
===================================================================
--- linux-2.6.orig/arch/x86/pci/mmconfig-shared.c
+++ linux-2.6/arch/x86/pci/mmconfig-shared.c
@@ -308,18 +308,6 @@ static void __init pci_mmcfg_reject_brok
cfg = &pci_mmcfg_config[0];
- /*
- * Handle more broken MCFG tables on Asus etc.
- * They only contain a single entry for bus 0-0.
- */
- if (pci_mmcfg_config_num == 1 &&
- cfg->pci_segment == 0 &&
- (cfg->start_bus_number | cfg->end_bus_number) == 0) {
- printk(KERN_ERR "PCI: start and end of bus number is 0. "
- "Rejected as broken MCFG.\n");
- goto reject;
- }
-
for (i = 0; i < pci_mmcfg_config_num; i++) {
int valid = 0;
u32 size = (cfg->end_bus_number + 1) << 20;
reply other threads:[~2008-02-21 6:13 UTC|newest]
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