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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: Even Xu <even.xu@intel.com>
Reviewed-by: Andriy Shevchenko <andriy.shevchenko@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
hifive-unleashed-5.1
Even Xu 2018-09-11 16:44:13 -07:00 committed by Jiri Kosina
parent 5e335542de
commit d0b41230e8
2 changed files with 30 additions and 0 deletions
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27
drivers/hid/intel-ish-hid/ishtp/bus.c
View File

@ -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

3
drivers/hid/intel-ish-hid/ishtp/bus.h
View File

@ -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) \