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Commit 70cd5337 authored by Tomas Winkler's avatar Tomas Winkler Committed by Greg Kroah-Hartman
Browse files

staging/mei: add watchdog device registration wrappers 



add mei_watchdog_register/unregister wrappers for
cleaner  encapsulation

Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent f3bc9d24

drivers/staging/mei/interface.h

+11 −0
Original line number Diff line number Diff line
@@ -52,6 +52,17 @@ int mei_wd_send(struct mei_device *dev); 
int mei_wd_stop(struct mei_device *dev, bool preserve);

bool mei_wd_host_init(struct mei_device *dev);

void mei_wd_set_start_timeout(struct mei_device *dev, u16 timeout);

/*

 * mei_watchdog_register  - Registering watchdog interface

 *   once we got connection to the WD Client

 * @dev - mei device

 */

void mei_watchdog_register(struct mei_device *dev);

/*

 * mei_watchdog_unregister  - Uegistering watchdog interface

 * @dev - mei device

 */

void mei_watchdog_unregister(struct mei_device *dev);



int mei_flow_ctrl_reduce(struct mei_device *dev, struct mei_cl *cl);

drivers/staging/mei/interrupt.c

+2 −16
Original line number Diff line number Diff line
@@ -386,24 +386,10 @@ static void mei_client_connect_response(struct mei_device *dev, 
	/* if WD or iamthif client treat specially */



	if (is_treat_specially_client(&(dev->wd_cl), rs)) {

		dev_dbg(&dev->pdev->dev, "dev->wd_timeout =%d.\n",

				dev->wd_timeout);



		dev->wd_due_counter = (dev->wd_timeout) ? 1 : 0;



		dev_dbg(&dev->pdev->dev, "successfully connected to WD client.\n");

		mei_watchdog_register(dev);



		/* Registering watchdog interface device once we got connection

		   to the WD Client

		*/

		if (watchdog_register_device(&amt_wd_dev)) {

			printk(KERN_ERR "mei: unable to register watchdog device.\n");

			dev->wd_interface_reg = false;

		} else {

			dev_dbg(&dev->pdev->dev, "successfully register watchdog interface.\n");

			dev->wd_interface_reg = true;

		}



		/* next step in the state maching */

		mei_host_init_iamthif(dev);

		return;

	}

drivers/staging/mei/main.c

+1 −2
Original line number Diff line number Diff line
@@ -1082,8 +1082,7 @@ static void __devexit mei_remove(struct pci_dev *pdev) 
	}



	/* Unregistering watchdog device */

	if (dev->wd_interface_reg)

		watchdog_unregister_device(&amt_wd_dev);

	mei_watchdog_unregister(dev);



	/* remove entry if already in list */

	dev_dbg(&pdev->dev, "list del iamthif and wd file list.\n");

drivers/staging/mei/mei_dev.h

+0 −5
Original line number Diff line number Diff line
@@ -35,11 +35,6 @@ 
 */

extern struct pci_dev *mei_device;



/*

 * AMT Watchdog Device

 */

#define INTEL_AMT_WATCHDOG_ID "INTCAMT"

extern struct watchdog_device amt_wd_dev;



/*

 * AMTHI Client UUID

drivers/staging/mei/wd.c

+27 −1
Original line number Diff line number Diff line
@@ -35,12 +35,16 @@ const u8 mei_wd_state_independence_msg[3][4] = { 
	{0x07, 0x02, 0x01, 0x10}

};



/*

 * AMT Watchdog Device

 */

#define INTEL_AMT_WATCHDOG_ID "INTCAMT"



/* UUIDs for AMT F/W clients */

const uuid_le mei_wd_guid = UUID_LE(0x05B79A6F, 0x4628, 0x4D7F, 0x89,

						0x9D, 0xA9, 0x15, 0x14, 0xCB,

						0x32, 0xAB);





void mei_wd_set_start_timeout(struct mei_device *dev, u16 timeout)

{

	dev_dbg(&dev->pdev->dev, "timeout=%d.\n", timeout);
@@ -352,3 +356,25 @@ struct watchdog_device amt_wd_dev = { 
};





void  mei_watchdog_register(struct mei_device *dev)

{

	dev_dbg(&dev->pdev->dev, "dev->wd_timeout =%d.\n", dev->wd_timeout);



	dev->wd_due_counter = !!dev->wd_timeout;



	if (watchdog_register_device(&amt_wd_dev)) {

		dev_err(&dev->pdev->dev, "unable to register watchdog device.\n");

		dev->wd_interface_reg = false;

	} else {

		dev_dbg(&dev->pdev->dev, "successfully register watchdog interface.\n");

		dev->wd_interface_reg = true;

	}

}



void mei_watchdog_unregister(struct mei_device *dev)

{

	if (dev->wd_interface_reg)

		watchdog_unregister_device(&amt_wd_dev);

	dev->wd_interface_reg = false;

}