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author | Bjorn Helgaas <bhelgaas@google.com> | 2013-10-31 14:12:40 -0600 |
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committer | Bjorn Helgaas <bhelgaas@google.com> | 2013-10-31 14:12:40 -0600 |
commit | 33de1b8bf6e11a3bc69faf2f7ffb3692c723bdf5 (patch) | |
tree | 5e92465442ad3166ba1c9bd423c20d67b018d1e0 /drivers/pci | |
parent | cc17a67c0762a6030b43e98d775a12a99e5ff247 (diff) | |
parent | 0394cb192db4397753046775a8caa736397737b5 (diff) | |
download | linux-33de1b8bf6e11a3bc69faf2f7ffb3692c723bdf5.tar.gz linux-33de1b8bf6e11a3bc69faf2f7ffb3692c723bdf5.tar.bz2 linux-33de1b8bf6e11a3bc69faf2f7ffb3692c723bdf5.zip |
Merge branch 'pci/misc' into next
* pci/misc:
PCI: Report pci_pme_active() kmalloc failure
mn10300/PCI: Remove useless pcibios_last_bus
frv/PCI: Remove pcibios_last_bus
PCI: Fail MSI/MSI-X initialization if device is not in PCI_D0
x86/PCI: Coalesce multiple overlapping host bridge windows
MAINTAINERS: Add arch/x86/pci to PCI file patterns
PCI/PM: Remove pci_pm_complete()
PCI: Add pci_dev_show_local_cpu() to simplify code
mn10300/PCI: Remove unused pci_mem_start
cris/PCI: Remove unused pci_mem_start
PCI: Make pci_dev_pm_ops static
Conflicts:
drivers/pci/pci-sysfs.c
Diffstat (limited to 'drivers/pci')
-rw-r--r-- | drivers/pci/msi.c | 6 | ||||
-rw-r--r-- | drivers/pci/pci-driver.c | 11 | ||||
-rw-r--r-- | drivers/pci/pci-sysfs.c | 33 | ||||
-rw-r--r-- | drivers/pci/pci.c | 7 |
4 files changed, 24 insertions, 33 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index d5f90d6383bc..604265c40853 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -831,7 +831,7 @@ int pci_enable_msi_block(struct pci_dev *dev, unsigned int nvec) int status, maxvec; u16 msgctl; - if (!dev->msi_cap) + if (!dev->msi_cap || dev->current_state != PCI_D0) return -EINVAL; pci_read_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, &msgctl); @@ -862,7 +862,7 @@ int pci_enable_msi_block_auto(struct pci_dev *dev, unsigned int *maxvec) int ret, nvec; u16 msgctl; - if (!dev->msi_cap) + if (!dev->msi_cap || dev->current_state != PCI_D0) return -EINVAL; pci_read_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, &msgctl); @@ -955,7 +955,7 @@ int pci_enable_msix(struct pci_dev *dev, struct msix_entry *entries, int nvec) int status, nr_entries; int i, j; - if (!entries || !dev->msix_cap) + if (!entries || !dev->msix_cap || dev->current_state != PCI_D0) return -EINVAL; status = pci_msi_check_device(dev, nvec, PCI_CAP_ID_MSIX); diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 9f85960a62ed..840fdc5ba0d8 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -602,18 +602,10 @@ static int pci_pm_prepare(struct device *dev) return error; } -static void pci_pm_complete(struct device *dev) -{ - struct device_driver *drv = dev->driver; - - if (drv && drv->pm && drv->pm->complete) - drv->pm->complete(dev); -} #else /* !CONFIG_PM_SLEEP */ #define pci_pm_prepare NULL -#define pci_pm_complete NULL #endif /* !CONFIG_PM_SLEEP */ @@ -1124,9 +1116,8 @@ static int pci_pm_runtime_idle(struct device *dev) #ifdef CONFIG_PM -const struct dev_pm_ops pci_dev_pm_ops = { +static const struct dev_pm_ops pci_dev_pm_ops = { .prepare = pci_pm_prepare, - .complete = pci_pm_complete, .suspend = pci_pm_suspend, .resume = pci_pm_resume, .freeze = pci_pm_freeze, diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 82cc45867eaa..2aaa83c85a4e 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -76,9 +76,11 @@ static ssize_t broken_parity_status_store(struct device *dev, } static DEVICE_ATTR_RW(broken_parity_status); -static ssize_t local_cpus_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ +static ssize_t pci_dev_show_local_cpu(struct device *dev, + int type, + struct device_attribute *attr, + char *buf) +{ const struct cpumask *mask; int len; @@ -88,29 +90,26 @@ static ssize_t local_cpus_show(struct device *dev, #else mask = cpumask_of_pcibus(to_pci_dev(dev)->bus); #endif - len = cpumask_scnprintf(buf, PAGE_SIZE-2, mask); + len = type ? + cpumask_scnprintf(buf, PAGE_SIZE-2, mask) : + cpulist_scnprintf(buf, PAGE_SIZE-2, mask); + buf[len++] = '\n'; buf[len] = '\0'; return len; } + +static ssize_t local_cpus_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return pci_dev_show_local_cpu(dev, 1, attr, buf); +} static DEVICE_ATTR_RO(local_cpus); static ssize_t local_cpulist_show(struct device *dev, struct device_attribute *attr, char *buf) { - const struct cpumask *mask; - int len; - -#ifdef CONFIG_NUMA - mask = (dev_to_node(dev) == -1) ? cpu_online_mask : - cpumask_of_node(dev_to_node(dev)); -#else - mask = cpumask_of_pcibus(to_pci_dev(dev)->bus); -#endif - len = cpulist_scnprintf(buf, PAGE_SIZE-2, mask); - buf[len++] = '\n'; - buf[len] = '\0'; - return len; + return pci_dev_show_local_cpu(dev, 0, attr, buf); } static DEVICE_ATTR_RO(local_cpulist); diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index c0805f26f339..457f801fc49d 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1638,8 +1638,10 @@ void pci_pme_active(struct pci_dev *dev, bool enable) if (enable) { pme_dev = kmalloc(sizeof(struct pci_pme_device), GFP_KERNEL); - if (!pme_dev) - goto out; + if (!pme_dev) { + dev_warn(&dev->dev, "can't enable PME#\n"); + return; + } pme_dev->dev = dev; mutex_lock(&pci_pme_list_mutex); list_add(&pme_dev->list, &pci_pme_list); @@ -1660,7 +1662,6 @@ void pci_pme_active(struct pci_dev *dev, bool enable) } } -out: dev_dbg(&dev->dev, "PME# %s\n", enable ? "enabled" : "disabled"); } |