diff options
| -rw-r--r-- | kernel/irq/msi.c | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c index 4a7a7f0f5102..b3f73ef0376c 100644 --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -77,21 +77,8 @@ EXPORT_SYMBOL_GPL(get_cached_msi_msg); static ssize_t msi_mode_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct msi_desc *entry; - bool is_msix = false; - unsigned long irq; - int retval; - - retval = kstrtoul(attr->attr.name, 10, &irq); - if (retval) - return retval; - - entry = irq_get_msi_desc(irq); - if (!entry) - return -ENODEV; - - if (dev_is_pci(dev)) - is_msix = entry->pci.msi_attrib.is_msix; + /* MSI vs. MSIX is per device not per interrupt */ + bool is_msix = dev_is_pci(dev) ? to_pci_dev(dev)->msix_enabled : false; return sysfs_emit(buf, "%s\n", is_msix ? "msix" : "msi"); } |