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mei: bus: Call bus routines from the core code

Register the MEI bus type against the kernel core bus APIs and
call the bus Rx handler from interrupt.c

Signed-off-by: Samuel Ortiz <sameo@linux.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:
Samuel Ortiz 2013-03-27 17:29:57 +02:00 committed by Greg Kroah-Hartman
parent a7b71bc043
commit cf3baefba0
5 changed files with 42 additions and 2 deletions

View File

@ -441,3 +441,25 @@ int mei_cl_register_event_cb(struct mei_cl_device *device,
return 0;
}
EXPORT_SYMBOL_GPL(mei_cl_register_event_cb);
void mei_cl_bus_rx_event(struct mei_cl *cl)
{
struct mei_cl_device *device = cl->device;
if (!device || !device->event_cb)
return;
set_bit(MEI_CL_EVENT_RX, &device->events);
schedule_work(&device->event_work);
}
int __init mei_cl_bus_init(void)
{
return bus_register(&mei_cl_bus_type);
}
void __exit mei_cl_bus_exit(void)
{
bus_unregister(&mei_cl_bus_type);
}

View File

@ -50,6 +50,8 @@ static void mei_cl_complete_handler(struct mei_cl *cl, struct mei_cl_cb *cb)
cl->reading_state = MEI_READ_COMPLETE;
if (waitqueue_active(&cl->rx_wait))
wake_up_interruptible(&cl->rx_wait);
else
mei_cl_bus_rx_event(cl);
}
}

View File

@ -767,6 +767,19 @@ void mei_deregister(void)
}
EXPORT_SYMBOL_GPL(mei_deregister);
static int __init mei_init(void)
{
return mei_cl_bus_init();
}
static void __exit mei_exit(void)
{
mei_cl_bus_exit();
}
module_init(mei_init);
module_exit(mei_exit);
MODULE_AUTHOR("Intel Corporation");
MODULE_DESCRIPTION("Intel(R) Management Engine Interface");
MODULE_LICENSE("GPL v2");

View File

@ -292,6 +292,11 @@ struct mei_cl_transport_ops {
int (*recv)(struct mei_cl_device *device, u8 *buf, size_t length);
};
void mei_cl_bus_rx_event(struct mei_cl *cl);
int mei_cl_bus_init(void);
void mei_cl_bus_exit(void);
/**
* struct mei_cl_device - MEI device handle
* An mei_cl_device pointer is returned from mei_add_device()
@ -451,7 +456,6 @@ static inline u32 mei_data2slots(size_t length)
return DIV_ROUND_UP(sizeof(struct mei_msg_hdr) + length, 4);
}
/*
* mei init function prototypes
*/

View File

@ -197,7 +197,6 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
mei_pdev = pdev;
pci_set_drvdata(pdev, dev);
schedule_delayed_work(&dev->timer_work, HZ);
mutex_unlock(&mei_mutex);