diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/hotplug/pciehp_ctrl.c | 2 | ||||
| -rw-r--r-- | drivers/pci/msi.c | 4 | ||||
| -rw-r--r-- | drivers/pci/pci.h | 2 | ||||
| -rw-r--r-- | drivers/pci/pcie/aspm.c | 16 | ||||
| -rw-r--r-- | drivers/pci/probe.c | 8 |
5 files changed, 10 insertions, 22 deletions
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c index 4c8f4cde6854..880978b6d534 100644 --- a/drivers/pci/hotplug/pciehp_ctrl.c +++ b/drivers/pci/hotplug/pciehp_ctrl.c @@ -511,7 +511,9 @@ int pciehp_sysfs_disable_slot(struct slot *p_slot) case STATIC_STATE: p_slot->state = POWEROFF_STATE; mutex_unlock(&p_slot->lock); + mutex_lock(&p_slot->hotplug_lock); retval = pciehp_disable_slot(p_slot); + mutex_unlock(&p_slot->hotplug_lock); mutex_lock(&p_slot->lock); p_slot->state = STATIC_STATE; break; diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 53e463244bb7..b64d26719906 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -1024,10 +1024,6 @@ int pci_msi_enabled(void) } EXPORT_SYMBOL(pci_msi_enabled); -void pci_msi_init_pci_dev(struct pci_dev *dev) -{ -} - /** * pci_enable_msi_range - configure device's MSI capability structure * @dev: device to configure diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index fd2f03fa53f3..44d9859057b4 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -144,10 +144,8 @@ extern unsigned int pci_pm_d3_delay; #ifdef CONFIG_PCI_MSI void pci_no_msi(void); -void pci_msi_init_pci_dev(struct pci_dev *dev); #else static inline void pci_no_msi(void) { } -static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { } #endif static inline void pci_msi_set_enable(struct pci_dev *dev, int enable) diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index 317e3558a35e..2dfe7fdb77e7 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -834,21 +834,15 @@ static ssize_t link_state_store(struct device *dev, { struct pci_dev *pdev = to_pci_dev(dev); struct pcie_link_state *link, *root = pdev->link_state->root; - u32 val, state = 0; - - if (kstrtouint(buf, 10, &val)) - return -EINVAL; + u32 state; if (aspm_disabled) return -EPERM; - if (n < 1 || val > 3) - return -EINVAL; - /* Convert requested state to ASPM state */ - if (val & PCIE_LINK_STATE_L0S) - state |= ASPM_STATE_L0S; - if (val & PCIE_LINK_STATE_L1) - state |= ASPM_STATE_L1; + if (kstrtouint(buf, 10, &state)) + return -EINVAL; + if ((state & ~ASPM_STATE_ALL) != 0) + return -EINVAL; down_read(&pci_bus_sem); mutex_lock(&aspm_lock); diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 0d86c82b8880..32b9f1b88266 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1140,7 +1140,7 @@ int pci_cfg_space_size(struct pci_dev *dev) #define LEGACY_IO_RESOURCE (IORESOURCE_IO | IORESOURCE_PCI_FIXED) -void pci_msi_setup_pci_dev(struct pci_dev *dev) +static void pci_msi_setup_pci_dev(struct pci_dev *dev) { /* * Disable the MSI hardware to avoid screaming interrupts @@ -1207,8 +1207,6 @@ int pci_setup_device(struct pci_dev *dev) /* "Unknown power state" */ dev->current_state = PCI_UNKNOWN; - pci_msi_setup_pci_dev(dev); - /* Early fixups, before probing the BARs */ pci_fixup_device(pci_fixup_early, dev); /* device class may be changed after fixup */ @@ -1598,8 +1596,8 @@ static void pci_init_capabilities(struct pci_dev *dev) /* Enhanced Allocation */ pci_ea_init(dev); - /* MSI/MSI-X list */ - pci_msi_init_pci_dev(dev); + /* Setup MSI caps & disable MSI/MSI-X interrupts */ + pci_msi_setup_pci_dev(dev); /* Buffers for saving PCIe and PCI-X capabilities */ pci_allocate_cap_save_buffers(dev); |