Source of pci-sysfs.c - linux-imx - PHYTEC BitBucket (Stash)

Ignore whitespace
Show whitespace characters
Hide e-diff
Unified diff
Side-by-side diff
Source viewDiff to previous
 
        subordinate->bus_flags &= ~PCI_BUS_FLAGS_NO_MSI;
    else
        subordinate->bus_flags |= PCI_BUS_FLAGS_NO_MSI;
​
    dev_info(&subordinate->dev, "MSI/MSI-X %s for future drivers of devices on this bus\n",
         val ? "allowed" : "disallowed");
    return count;
}
static DEVICE_ATTR_RW(msi_bus);
​
static ssize_t bus_rescan_store(struct bus_type *bus, const char *buf,
                size_t count)
static ssize_t rescan_store(struct bus_type *bus, const char *buf, size_t count)
{
    unsigned long val;
    struct pci_bus *b = NULL;
​
    if (kstrtoul(buf, 0, &val) < 0)
        return -EINVAL;
​
    if (val) {
        pci_lock_rescan_remove();
        while ((b = pci_find_next_bus(b)) != NULL)
            pci_rescan_bus(b);
        pci_unlock_rescan_remove();
    }
    return count;
}
static BUS_ATTR(rescan, (S_IWUSR|S_IWGRP), NULL, bus_rescan_store);
static BUS_ATTR_WO(rescan);
​
static struct attribute *pci_bus_attrs[] = {
    &bus_attr_rescan.attr,
    NULL,
};
​
static const struct attribute_group pci_bus_group = {
    .attrs = pci_bus_attrs,
};
​