Changed store_online() to request a cpu online or offline
operation by calling shp_submit_req(). It sets a target cpu
device information with shp_add_dev_info() for the request.
Signed-off-by: Toshi Kani <toshi.kani@xxxxxx>
---
drivers/base/cpu.c | 40 ++++++++++++++++++++++++++++------------
1 file changed, 28 insertions(+), 12 deletions(-)
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 05534ad..cd1cbdc 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -41,27 +41,43 @@ static ssize_t __ref store_online(struct device *dev,
const char *buf, size_t count)
{
struct cpu *cpu = container_of(dev, struct cpu, dev);
- ssize_t ret;
+ struct shp_request *shp_req;
+ struct shp_device *shp_dev;
+ enum shp_operation operation;
+ ssize_t ret = count;
- cpu_hotplug_driver_lock();
switch (buf[0]) {
case '0':
- ret = cpu_down(cpu->dev.id);
- if (!ret)
- kobject_uevent(&dev->kobj, KOBJ_OFFLINE);
+ operation = SHP_ONLINE_DEL;
break;
case '1':
- ret = cpu_up(cpu->dev.id);
- if (!ret)
- kobject_uevent(&dev->kobj, KOBJ_ONLINE);
+ operation = SHP_ONLINE_ADD;
break;
default:
- ret = -EINVAL;
+ return -EINVAL;
+ }
+
+ shp_req = shp_alloc_request(operation);
+ if (!shp_req)
+ return -ENOMEM;
+
+ shp_dev = kzalloc(sizeof(*shp_dev), GFP_KERNEL);
+ if (!shp_dev) {
+ kfree(shp_req);
+ return -ENOMEM;
+ }
+
+ shp_dev->device = dev;
+ shp_dev->class = SHP_CLS_CPU;
+ shp_dev->info.cpu.cpu_id = cpu->dev.id;
+ shp_add_dev_info(shp_req, shp_dev);
+
+ if (shp_submit_req(shp_req)) {
+ kfree(shp_dev);
+ kfree(shp_req);
+ return -EINVAL;
}
- cpu_hotplug_driver_unlock();
- if (ret >= 0)
- ret = count;
return ret;
}
static DEVICE_ATTR(online, 0644, show_online, store_online);
--
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