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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>
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@ -441,3 +441,25 @@ int mei_cl_register_event_cb(struct mei_cl_device *device,
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return 0;
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}
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EXPORT_SYMBOL_GPL(mei_cl_register_event_cb);
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void mei_cl_bus_rx_event(struct mei_cl *cl)
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{
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struct mei_cl_device *device = cl->device;
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if (!device || !device->event_cb)
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return;
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set_bit(MEI_CL_EVENT_RX, &device->events);
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schedule_work(&device->event_work);
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}
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int __init mei_cl_bus_init(void)
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{
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return bus_register(&mei_cl_bus_type);
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}
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void __exit mei_cl_bus_exit(void)
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{
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bus_unregister(&mei_cl_bus_type);
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}
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@ -50,6 +50,8 @@ static void mei_cl_complete_handler(struct mei_cl *cl, struct mei_cl_cb *cb)
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cl->reading_state = MEI_READ_COMPLETE;
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if (waitqueue_active(&cl->rx_wait))
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wake_up_interruptible(&cl->rx_wait);
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else
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mei_cl_bus_rx_event(cl);
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}
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}
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@ -767,6 +767,19 @@ void mei_deregister(void)
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}
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EXPORT_SYMBOL_GPL(mei_deregister);
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static int __init mei_init(void)
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{
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return mei_cl_bus_init();
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}
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static void __exit mei_exit(void)
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{
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mei_cl_bus_exit();
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}
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module_init(mei_init);
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module_exit(mei_exit);
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MODULE_AUTHOR("Intel Corporation");
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MODULE_DESCRIPTION("Intel(R) Management Engine Interface");
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MODULE_LICENSE("GPL v2");
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@ -292,6 +292,11 @@ struct mei_cl_transport_ops {
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int (*recv)(struct mei_cl_device *device, u8 *buf, size_t length);
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};
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void mei_cl_bus_rx_event(struct mei_cl *cl);
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int mei_cl_bus_init(void);
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void mei_cl_bus_exit(void);
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/**
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* struct mei_cl_device - MEI device handle
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* An mei_cl_device pointer is returned from mei_add_device()
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@ -451,7 +456,6 @@ static inline u32 mei_data2slots(size_t length)
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return DIV_ROUND_UP(sizeof(struct mei_msg_hdr) + length, 4);
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}
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/*
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* mei init function prototypes
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*/
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@ -197,7 +197,6 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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mei_pdev = pdev;
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pci_set_drvdata(pdev, dev);
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schedule_delayed_work(&dev->timer_work, HZ);
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mutex_unlock(&mei_mutex);
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