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Diffstat (limited to 'arch/s390/pci/pci.c')
-rw-r--r--arch/s390/pci/pci.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 871af75c69c2..38e17d4d9884 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -180,7 +180,7 @@ int zpci_fmb_enable_device(struct zpci_dev *zdev)
{
struct mod_pci_args args = { 0, 0, 0, 0 };
- if (zdev->fmb)
+ if (zdev->fmb || sizeof(*zdev->fmb) < zdev->fmb_length)
return -EINVAL;
zdev->fmb = kmem_cache_zalloc(zdev_fmb_cache, GFP_KERNEL);
@@ -722,6 +722,11 @@ struct dev_pm_ops pcibios_pm_ops = {
static int zpci_alloc_domain(struct zpci_dev *zdev)
{
+ if (zpci_unique_uid) {
+ zdev->domain = (u16) zdev->uid;
+ return 0;
+ }
+
spin_lock(&zpci_domain_lock);
zdev->domain = find_first_zero_bit(zpci_domain, ZPCI_NR_DEVICES);
if (zdev->domain == ZPCI_NR_DEVICES) {
@@ -735,6 +740,9 @@ static int zpci_alloc_domain(struct zpci_dev *zdev)
static void zpci_free_domain(struct zpci_dev *zdev)
{
+ if (zpci_unique_uid)
+ return;
+
spin_lock(&zpci_domain_lock);
clear_bit(zdev->domain, zpci_domain);
spin_unlock(&zpci_domain_lock);
@@ -854,6 +862,15 @@ void zpci_stop_device(struct zpci_dev *zdev)
}
EXPORT_SYMBOL_GPL(zpci_stop_device);
+int zpci_report_error(struct pci_dev *pdev,
+ struct zpci_report_error_header *report)
+{
+ struct zpci_dev *zdev = to_zpci(pdev);
+
+ return sclp_pci_report(report, zdev->fh, zdev->fid);
+}
+EXPORT_SYMBOL(zpci_report_error);
+
static inline int barsize(u8 size)
{
return (size) ? (1 << size) >> 10 : 0;
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