From d0b41230e80cd27e78cd3767da463e6cd0246de7 Mon Sep 17 00:00:00 2001 From: Even Xu Date: Tue, 11 Sep 2018 16:44:13 -0700 Subject: 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 Reviewed-by: Andriy Shevchenko Acked-by: Srinivas Pandruvada Signed-off-by: Jiri Kosina --- drivers/hid/intel-ish-hid/ishtp/bus.c | 27 +++++++++++++++++++++++++++ drivers/hid/intel-ish-hid/ishtp/bus.h | 3 +++ 2 files changed, 30 insertions(+) (limited to 'drivers/hid') diff --git a/drivers/hid/intel-ish-hid/ishtp/bus.c b/drivers/hid/intel-ish-hid/ishtp/bus.c index 2623a567ffba..d5db5e96e4a1 100644 --- a/drivers/hid/intel-ish-hid/ishtp/bus.c +++ b/drivers/hid/intel-ish-hid/ishtp/bus.c @@ -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 diff --git a/drivers/hid/intel-ish-hid/ishtp/bus.h b/drivers/hid/intel-ish-hid/ishtp/bus.h index a1ffae7f26ad..88883311667e 100644 --- a/drivers/hid/intel-ish-hid/ishtp/bus.h +++ b/drivers/hid/intel-ish-hid/ishtp/bus.h @@ -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) \ -- cgit v1.2.3