summaryrefslogtreecommitdiff
path: root/arch/s390
diff options
context:
space:
mode:
authorPierre Morel <pmorel@linux.ibm.com>2020-03-23 14:29:37 +0300
committerVasily Gorbik <gor@linux.ibm.com>2020-04-28 14:49:46 +0300
commit65e450a9f9adabf3de1305a4c616f1313df402a3 (patch)
treea45482f8c1e4c012d390d7a009d75918a81355b1 /arch/s390
parentf606b3ef47c9f874af605323099663a10f691b24 (diff)
downloadlinux-65e450a9f9adabf3de1305a4c616f1313df402a3.tar.xz
s390/pci: Adding bus resource
The current PCI implementation do not provide a bus resource. This leads to a notice being print at boot. Let's do it more nicely and provide the bus resource. Signed-off-by: Pierre Morel <pmorel@linux.ibm.com> Reviewed-by: Niklas Schnelle <schnelle@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/include/asm/pci.h1
-rw-r--r--arch/s390/pci/pci_bus.c5
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index 686a44218456..7d99ab35833c 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -107,6 +107,7 @@ struct zpci_bus {
struct zpci_dev *function[ZPCI_FUNCTIONS_PER_BUS];
struct list_head resources;
struct list_head bus_next;
+ struct resource bus_resource;
int pchid;
int domain_nr;
enum pci_bus_speed max_bus_speed;
diff --git a/arch/s390/pci/pci_bus.c b/arch/s390/pci/pci_bus.c
index e1565b8537de..b4fefc69c461 100644
--- a/arch/s390/pci/pci_bus.c
+++ b/arch/s390/pci/pci_bus.c
@@ -99,6 +99,11 @@ static struct zpci_bus *zpci_bus_alloc(int pchid)
kref_init(&zbus->kref);
INIT_LIST_HEAD(&zbus->resources);
+ zbus->bus_resource.start = 0;
+ zbus->bus_resource.end = ZPCI_BUS_NR;
+ zbus->bus_resource.flags = IORESOURCE_BUS;
+ pci_add_resource(&zbus->resources, &zbus->bus_resource);
+
return zbus;
}