diff options
Diffstat (limited to 'drivers/fpga/dfl.h')
| -rw-r--r-- | drivers/fpga/dfl.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/fpga/dfl.h b/drivers/fpga/dfl.h index 66c2ade5a06b..b4f65250a29c 100644 --- a/drivers/fpga/dfl.h +++ b/drivers/fpga/dfl.h @@ -284,4 +284,25 @@ struct dfl_fpga_cdev * dfl_fpga_feature_devs_enumerate(struct dfl_fpga_enum_info *info); void dfl_fpga_feature_devs_remove(struct dfl_fpga_cdev *cdev); +/* + * need to drop the device reference with put_device() after use port platform + * device returned by __dfl_fpga_cdev_find_port and dfl_fpga_cdev_find_port + * functions. + */ +struct platform_device * +__dfl_fpga_cdev_find_port(struct dfl_fpga_cdev *cdev, void *data, + int (*match)(struct platform_device *, void *)); + +static inline struct platform_device * +dfl_fpga_cdev_find_port(struct dfl_fpga_cdev *cdev, void *data, + int (*match)(struct platform_device *, void *)) +{ + struct platform_device *pdev; + + mutex_lock(&cdev->lock); + pdev = __dfl_fpga_cdev_find_port(cdev, data, match); + mutex_unlock(&cdev->lock); + + return pdev; +} #endif /* __FPGA_DFL_H */ |