It would be good if the variable or element for the feature id had a consistent name.
> @@ -197,7 +197,7 @@ int dfl_fpga_check_port_id(struct platform_device *pdev, void *pport_id);
> * @id: unique dfl private feature id.
> */
> struct dfl_feature_id {
> - u64 id;
> + u16 id;
> };
Is this structure needed ?
Here is how it could be changed to
struct dfl_feature_driver {
- const dfl_feature_id *
+ const u16 *id_table;
...
Tom
>
> /**
> @@ -240,7 +240,7 @@ struct dfl_feature_irq_ctx {
> */
> struct dfl_feature {
> struct platform_device *dev;
> - u64 id;
> + u16 id;
> int resource_index;
> void __iomem *ioaddr;
> struct dfl_feature_irq_ctx *irq_ctx;
> @@ -371,7 +371,7 @@ struct platform_device *dfl_fpga_inode_to_feature_dev(struct inode *inode)
> (feature) < (pdata)->features + (pdata)->num; (feature)++)
>
> static inline
> -struct dfl_feature *dfl_get_feature_by_id(struct device *dev, u64 id)
> +struct dfl_feature *dfl_get_feature_by_id(struct device *dev, u16 id)
> {
> struct dfl_feature_platform_data *pdata = dev_get_platdata(dev);
> struct dfl_feature *feature;
> @@ -384,7 +384,7 @@ struct dfl_feature *dfl_get_feature_by_id(struct device *dev, u64 id)
> }
>
> static inline
> -void __iomem *dfl_get_feature_ioaddr_by_id(struct device *dev, u64 id)
> +void __iomem *dfl_get_feature_ioaddr_by_id(struct device *dev, u16 id)
> {
> struct dfl_feature *feature = dfl_get_feature_by_id(dev, id);
>
> @@ -395,7 +395,7 @@ void __iomem *dfl_get_feature_ioaddr_by_id(struct device *dev, u64 id)
> return NULL;
> }
>
> -static inline bool is_dfl_feature_present(struct device *dev, u64 id)
> +static inline bool is_dfl_feature_present(struct device *dev, u16 id)
> {
> return !!dfl_get_feature_ioaddr_by_id(dev, id);
> }
