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mei: split amthif client init from end of clients enumeration

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The amthif FW client can appear after the end of client enumeration.
Amthif host client initialization is done now at FW client discovery
time.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexander Usyskin 2016-02-07 23:35:43 +02:00 committed by Greg Kroah-Hartman
parent 27f476ea98
commit 025fb792ba
7 changed files with 15 additions and 23 deletions
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5
drivers/misc/mei/amthif.c
View File

@ -67,6 +67,9 @@ int mei_amthif_host_init(struct mei_device *dev, struct mei_me_client *me_cl)
struct mei_cl *cl = &dev->iamthif_cl;
int ret;
if (mei_cl_is_connected(cl))
return 0;
dev->iamthif_state = MEI_IAMTHIF_IDLE;
mei_cl_init(cl, dev);
@ -79,8 +82,6 @@ int mei_amthif_host_init(struct mei_device *dev, struct mei_me_client *me_cl)
ret = mei_cl_connect(cl, me_cl, NULL);
dev->iamthif_state = MEI_IAMTHIF_IDLE;
return ret;
}

8
drivers/misc/mei/bus.c
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@ -981,6 +981,14 @@ void mei_cl_bus_rescan_work(struct work_struct *work)
{
struct mei_device *bus =
container_of(work, struct mei_device, bus_rescan_work);
struct mei_me_client *me_cl;
mutex_lock(&bus->device_lock);
me_cl = mei_me_cl_by_uuid(bus, &mei_amthif_guid);
if (me_cl)
mei_amthif_host_init(bus, me_cl);
mei_me_cl_put(me_cl);
mutex_unlock(&bus->device_lock);
mei_cl_bus_rescan(bus);
}

17
drivers/misc/mei/client.c
View File

@ -666,25 +666,12 @@ int mei_cl_unlink(struct mei_cl *cl)
return 0;
}
void mei_host_client_init(struct work_struct *work)
void mei_host_client_init(struct mei_device *dev)
{
struct mei_device *dev =
container_of(work, struct mei_device, init_work);
struct mei_me_client *me_cl;
mutex_lock(&dev->device_lock);
me_cl = mei_me_cl_by_uuid(dev, &mei_amthif_guid);
if (me_cl)
mei_amthif_host_init(dev, me_cl);
mei_me_cl_put(me_cl);
dev->dev_state = MEI_DEV_ENABLED;
dev->reset_count = 0;
mutex_unlock(&dev->device_lock);
mei_cl_bus_rescan(dev);
schedule_work(&dev->bus_rescan_work);
pm_runtime_mark_last_busy(dev->dev);
dev_dbg(dev->dev, "rpm: autosuspend\n");

2
drivers/misc/mei/client.h
View File

@ -226,7 +226,7 @@ int mei_cl_irq_write(struct mei_cl *cl, struct mei_cl_cb *cb,
void mei_cl_complete(struct mei_cl *cl, struct mei_cl_cb *cb);
void mei_host_client_init(struct work_struct *work);
void mei_host_client_init(struct mei_device *dev);
u8 mei_cl_notify_fop2req(enum mei_cb_file_ops fop);
enum mei_cb_file_ops mei_cl_notify_req2fop(u8 request);

2
drivers/misc/mei/hbm.c
View File

@ -549,7 +549,7 @@ static int mei_hbm_prop_req(struct mei_device *dev)
/* We got all client properties */
if (next_client_index == MEI_CLIENTS_MAX) {
dev->hbm_state = MEI_HBM_STARTED;
schedule_work(&dev->init_work);
mei_host_client_init(dev);
return 0;
}

2
drivers/misc/mei/init.c
View File

@ -91,7 +91,6 @@ EXPORT_SYMBOL_GPL(mei_fw_status2str);
*/
void mei_cancel_work(struct mei_device *dev)
{
cancel_work_sync(&dev->init_work);
cancel_work_sync(&dev->reset_work);
cancel_work_sync(&dev->bus_rescan_work);
@ -393,7 +392,6 @@ void mei_device_init(struct mei_device *dev,
mei_io_list_init(&dev->ctrl_rd_list);
INIT_DELAYED_WORK(&dev->timer_work, mei_timer);
INIT_WORK(&dev->init_work, mei_host_client_init);
INIT_WORK(&dev->reset_work, mei_reset_work);
INIT_WORK(&dev->bus_rescan_work, mei_cl_bus_rescan_work);

2
drivers/misc/mei/mei_dev.h
View File

@ -410,7 +410,6 @@ const char *mei_pg_state_str(enum mei_pg_state state);
* @iamthif_state : amthif processor state
* @iamthif_canceled : current amthif command is canceled
*
* @init_work : work item for the device init
* @reset_work : work item for the device reset
* @bus_rescan_work : work item for the bus rescan
*
@ -503,7 +502,6 @@ struct mei_device {
enum iamthif_states iamthif_state;
bool iamthif_canceled;
struct work_struct init_work;
struct work_struct reset_work;
struct work_struct bus_rescan_work;