mirror of https://gitee.com/openkylin/linux.git
PCI: Revert "PCI: i386/x86_84: disable PCI resource decode on device disable"
This reverts commit 53e4d30dd6
.
It was found that it caused unneeded problems (see
http://bugzilla.kernel.org/show_bug.cgi?id=7082 for details of one such
issue.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
parent
2de6c39f38
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@ -343,7 +343,6 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
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void pcibios_disable_device (struct pci_dev *dev)
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{
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pcibios_disable_resources(dev);
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if (pcibios_disable_irq)
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pcibios_disable_irq(dev);
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}
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@ -242,15 +242,6 @@ int pcibios_enable_resources(struct pci_dev *dev, int mask)
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return 0;
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}
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void pcibios_disable_resources(struct pci_dev *dev)
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{
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u16 cmd;
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pci_read_config_word(dev, PCI_COMMAND, &cmd);
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cmd &= ~(PCI_COMMAND_IO | PCI_COMMAND_MEMORY);
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pci_write_config_word(dev, PCI_COMMAND, cmd);
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}
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/*
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* If we set up a device for bus mastering, we need to check the latency
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* timer as certain crappy BIOSes forget to set it properly.
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@ -43,7 +43,6 @@ extern unsigned int pcibios_max_latency;
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void pcibios_resource_survey(void);
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int pcibios_enable_resources(struct pci_dev *, int);
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void pcibios_disable_resources(struct pci_dev *);
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/* pci-pc.c */
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