fpga: dfl: add dfl_fpga_check_port_id function.
This patch adds one common function in DFL framework. It uses port_ops get_id callback to get port id and compare it with given value. This function could be used as match function of the dfl_fpga_cdev_find_port function. Signed-off-by: Wu Hao <hao.wu@intel.com> Acked-by: Alan Tull <atull@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
6e8fd6e493
commit
d06b004b99
|
@ -215,6 +215,28 @@ void dfl_fpga_port_ops_del(struct dfl_fpga_port_ops *ops)
|
|||
}
|
||||
EXPORT_SYMBOL_GPL(dfl_fpga_port_ops_del);
|
||||
|
||||
/**
|
||||
* dfl_fpga_check_port_id - check the port id
|
||||
* @pdev: port platform device.
|
||||
* @pport_id: port id to compare.
|
||||
*
|
||||
* Return: 1 if port device matches with given port id, otherwise 0.
|
||||
*/
|
||||
int dfl_fpga_check_port_id(struct platform_device *pdev, void *pport_id)
|
||||
{
|
||||
struct dfl_fpga_port_ops *port_ops = dfl_fpga_port_ops_get(pdev);
|
||||
int port_id;
|
||||
|
||||
if (!port_ops || !port_ops->get_id)
|
||||
return 0;
|
||||
|
||||
port_id = port_ops->get_id(pdev);
|
||||
dfl_fpga_port_ops_put(port_ops);
|
||||
|
||||
return port_id == *(int *)pport_id;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(dfl_fpga_check_port_id);
|
||||
|
||||
/**
|
||||
* dfl_fpga_dev_feature_uinit - uinit for sub features of dfl feature device
|
||||
* @pdev: feature device.
|
||||
|
|
|
@ -151,6 +151,7 @@ void dfl_fpga_port_ops_add(struct dfl_fpga_port_ops *ops);
|
|||
void dfl_fpga_port_ops_del(struct dfl_fpga_port_ops *ops);
|
||||
struct dfl_fpga_port_ops *dfl_fpga_port_ops_get(struct platform_device *pdev);
|
||||
void dfl_fpga_port_ops_put(struct dfl_fpga_port_ops *ops);
|
||||
int dfl_fpga_check_port_id(struct platform_device *pdev, void *pport_id);
|
||||
|
||||
/**
|
||||
* struct dfl_feature_driver - sub feature's driver
|
||||
|
|
Loading…
Reference in a new issue