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IB/core: Save the device attributes on the device structure 

This way both the IB core and upper level drivers can access these cached
device attributes rather than querying or caching them on their own.

Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
steinar/wifi_calib_4_9_kernel
Ira Weiny 2015-12-18 10:59:44 +02:00 committed by Doug Ledford
parent 4ef7675344
commit 3e153a93a1
2 changed files with 9 additions and 0 deletions
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8
drivers/infiniband/core/device.c
View File

@ -325,6 +325,7 @@ int ib_register_device(struct ib_device *device,
{
int ret;
struct ib_client *client;
struct ib_udata uhw = {.outlen = 0, .inlen = 0};
mutex_lock(&device_mutex);
@ -352,6 +353,13 @@ int ib_register_device(struct ib_device *device,
goto out;
}
memset(&device->attrs, 0, sizeof(device->attrs));
ret = device->query_device(device, &device->attrs, &uhw);
if (ret) {
printk(KERN_WARNING "Couldn't query the device attributes\n");
goto out;
}
ret = ib_device_register_sysfs(device, port_callback);
if (ret) {
printk(KERN_WARNING "Couldn't register device %s with driver model\n",

1
include/rdma/ib_verbs.h
View File

@ -1823,6 +1823,7 @@ struct ib_device {
u16 is_switch:1;
u8 node_type;
u8 phys_port_cnt;
struct ib_device_attr attrs;
/**
* The following mandatory functions are used only at device