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Commit d0b41230 authored by Even Xu's avatar Even Xu Committed by Jiri Kosina
Browse files

HID: intel-ish-hid: ishtp: add helper function for driver data get/set 



Add helper function ishtp_set_drvdata() and ishtp_get_drvdata() for
different ISH client drivers to set/get private driver data.

Signed-off-by: default avatarEven Xu <even.xu@intel.com>
Reviewed-by: default avatarAndriy Shevchenko <andriy.shevchenko@intel.com>
Acked-by: default avatarSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 5e335542

drivers/hid/intel-ish-hid/ishtp/bus.c

+27 −0
Original line number Diff line number Diff line
@@ -563,6 +563,33 @@ void ishtp_put_device(struct ishtp_cl_device *cl_device) 
}

EXPORT_SYMBOL(ishtp_put_device);



/**

 * ishtp_set_drvdata() - set client driver data

 * @cl_device:	client device instance

 * @data:	driver data need to be set

 *

 * Set client driver data to cl_device->driver_data.

 */

void ishtp_set_drvdata(struct ishtp_cl_device *cl_device, void *data)

{

	cl_device->driver_data = data;

}

EXPORT_SYMBOL(ishtp_set_drvdata);



/**

 * ishtp_get_drvdata() - get client driver data

 * @cl_device:	client device instance

 *

 * Get client driver data from cl_device->driver_data.

 *

 * Return: pointer of driver data

 */

void *ishtp_get_drvdata(struct ishtp_cl_device *cl_device)

{

	return cl_device->driver_data;

}

EXPORT_SYMBOL(ishtp_get_drvdata);



/**

 * ishtp_bus_new_client() - Create a new client

 * @dev:	ISHTP device instance

drivers/hid/intel-ish-hid/ishtp/bus.h

+3 −0
Original line number Diff line number Diff line
@@ -101,6 +101,9 @@ void ishtp_reset_compl_handler(struct ishtp_device *dev); 
void	ishtp_put_device(struct ishtp_cl_device *);

void	ishtp_get_device(struct ishtp_cl_device *);



void	ishtp_set_drvdata(struct ishtp_cl_device *cl_device, void *data);

void	*ishtp_get_drvdata(struct ishtp_cl_device *cl_device);



int	__ishtp_cl_driver_register(struct ishtp_cl_driver *driver,

				   struct module *owner);

#define ishtp_cl_driver_register(driver)		\