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Commit d2ebdf4b authored by Yinghai Lu's avatar Yinghai Lu Committed by Ingo Molnar
Browse files

x86: remove unneeded check in mmconf reject 



mmconfig is only used to access extended configuration space.

so don't need to reject MFG that only have one entry and only handle bus0.

Signed-off-by: default avatarYinghai Lu <yinghai.lu@sun.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 0d358f22

arch/x86/pci/mmconfig-shared.c

+0 −12
Original line number Original line Diff line number Diff line
@@ -316,18 +316,6 @@ static void __init pci_mmcfg_reject_broken(int type, int early) 




	cfg = &pci_mmcfg_config[0];

	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++) {

	for (i = 0; i < pci_mmcfg_config_num; i++) {

		int valid = 0;

		int valid = 0;

		u32 size = (cfg->end_bus_number + 1) << 20;

		u32 size = (cfg->end_bus_number + 1) << 20;