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Viewing changes to drivers/pci/pcie/aspm.c

  • Committer: Package Import Robot
  • Author(s): John Rigby, John Rigby
  • Date: 2011-09-26 10:44:23 UTC
  • Revision ID: package-import@ubuntu.com-20110926104423-3o58a3c1bj7x00rs
Tags: 3.0.0-1007.9
https://launchpad.net/bugs/826021
[ John Rigby ]

Enable crypto modules and remove crypto-modules from
exclude-module files
LP: #826021

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Lines of Context:
drivers/pci/pcie/aspm.c
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         * the BIOS's expectation, we'll do so once pci_enable_device() is
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         * called.
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         */
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        if (aspm_policy != POLICY_POWERSAVE) {
 
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        if (aspm_policy != POLICY_POWERSAVE || aspm_clear_state) {
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                pcie_config_aspm_path(link);
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                pcie_set_clkpm(link, policy_to_clkpm_state(link));
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        }
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 * pci_disable_link_state - disable pci device's link state, so the link will
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 * never enter specific states
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 */
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void pci_disable_link_state(struct pci_dev *pdev, int state)
 
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static void __pci_disable_link_state(struct pci_dev *pdev, int state, bool sem)
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{
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        struct pci_dev *parent = pdev->bus->self;
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        struct pcie_link_state *link;
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        if (!parent || !parent->link_state)
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                return;
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        down_read(&pci_bus_sem);
 
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        if (sem)
 
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                down_read(&pci_bus_sem);
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        mutex_lock(&aspm_lock);
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        link = parent->link_state;
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        if (state & PCIE_LINK_STATE_L0S)
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                pcie_set_clkpm(link, 0);
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        }
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        mutex_unlock(&aspm_lock);
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        up_read(&pci_bus_sem);
 
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        if (sem)
 
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                up_read(&pci_bus_sem);
 
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}
 
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void pci_disable_link_state_locked(struct pci_dev *pdev, int state)
 
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{
 
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        __pci_disable_link_state(pdev, state, false);
 
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}
 
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EXPORT_SYMBOL(pci_disable_link_state_locked);
 
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void pci_disable_link_state(struct pci_dev *pdev, int state)
 
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{
 
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        __pci_disable_link_state(pdev, state, true);
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}
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EXPORT_SYMBOL(pci_disable_link_state);
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