diff options
| -rw-r--r-- | drivers/fpga/fpga-region.c | 60 |
1 files changed, 31 insertions, 29 deletions
diff --git a/drivers/fpga/fpga-region.c b/drivers/fpga/fpga-region.c index 402d0b68b97a..92ab21651aeb 100644 --- a/drivers/fpga/fpga-region.c +++ b/drivers/fpga/fpga-region.c @@ -42,12 +42,14 @@ static int fpga_region_of_node_match(struct device *dev, const void *data) } /** - * fpga_region_find - find FPGA region + * of_fpga_region_find - find FPGA region * @np: device node of FPGA Region + * * Caller will need to put_device(®ion->dev) when done. + * * Returns FPGA Region struct or NULL */ -static struct fpga_region *fpga_region_find(struct device_node *np) +static struct fpga_region *of_fpga_region_find(struct device_node *np) { struct device *dev; @@ -107,7 +109,7 @@ static void fpga_region_put(struct fpga_region *region) } /** - * fpga_region_get_manager - get reference for FPGA manager + * of_fpga_region_get_mgr - get reference for FPGA manager * @np: device node of FPGA region * * Get FPGA Manager from "fpga-mgr" property or from ancestor region. @@ -116,7 +118,7 @@ static void fpga_region_put(struct fpga_region *region) * * Return: fpga manager struct or IS_ERR() condition containing error code. */ -static struct fpga_manager *fpga_region_get_manager(struct device_node *np) +static struct fpga_manager *of_fpga_region_get_mgr(struct device_node *np) { struct device_node *mgr_node; struct fpga_manager *mgr; @@ -139,9 +141,9 @@ static struct fpga_manager *fpga_region_get_manager(struct device_node *np) } /** - * fpga_region_get_bridges - create a list of bridges + * of_fpga_region_get_bridges - create a list of bridges * @region: FPGA region - * @overlay: device node of the overlay + * @info: FPGA image info * * Create a list of bridges including the parent bridge and the bridges * specified by "fpga-bridges" property. Note that the @@ -154,8 +156,8 @@ static struct fpga_manager *fpga_region_get_manager(struct device_node *np) * Return 0 for success (even if there are no bridges specified) * or -EBUSY if any of the bridges are in use. */ -static int fpga_region_get_bridges(struct fpga_region *region, - struct device_node *overlay) +static int of_fpga_region_get_bridges(struct fpga_region *region, + struct fpga_image_info *info) { struct device *dev = ®ion->dev; struct device_node *region_np = dev->of_node; @@ -163,7 +165,7 @@ static int fpga_region_get_bridges(struct fpga_region *region, int i, ret; /* If parent is a bridge, add to list */ - ret = of_fpga_bridge_get_to_list(region_np->parent, region->info, + ret = of_fpga_bridge_get_to_list(region_np->parent, info, ®ion->bridge_list); /* -EBUSY means parent is a bridge that is under use. Give up. */ @@ -175,8 +177,8 @@ static int fpga_region_get_bridges(struct fpga_region *region, parent_br = region_np->parent; /* If overlay has a list of bridges, use it. */ - if (of_parse_phandle(overlay, "fpga-bridges", 0)) - np = overlay; + if (of_parse_phandle(info->overlay, "fpga-bridges", 0)) + np = info->overlay; else np = region_np; @@ -227,7 +229,7 @@ int fpga_region_program_fpga(struct fpga_region *region) goto err_put_region; } - ret = fpga_region_get_bridges(region, info->overlay); + ret = of_fpga_region_get_bridges(region, info); if (ret) { dev_err(dev, "failed to get FPGA bridges\n"); goto err_unlock_mgr; @@ -397,7 +399,7 @@ ret_no_info: } /** - * fpga_region_notify_pre_apply - pre-apply overlay notification + * of_fpga_region_notify_pre_apply - pre-apply overlay notification * * @region: FPGA region that the overlay was applied to * @nd: overlay notification data @@ -410,8 +412,8 @@ ret_no_info: * * Returns 0 for success or negative error code for failure. */ -static int fpga_region_notify_pre_apply(struct fpga_region *region, - struct of_overlay_notify_data *nd) +static int of_fpga_region_notify_pre_apply(struct fpga_region *region, + struct of_overlay_notify_data *nd) { struct device *dev = ®ion->dev; struct fpga_image_info *info; @@ -441,7 +443,7 @@ static int fpga_region_notify_pre_apply(struct fpga_region *region, } /** - * fpga_region_notify_post_remove - post-remove overlay notification + * of_fpga_region_notify_post_remove - post-remove overlay notification * * @region: FPGA region that was targeted by the overlay that was removed * @nd: overlay notification data @@ -449,8 +451,8 @@ static int fpga_region_notify_pre_apply(struct fpga_region *region, * Called after an overlay has been removed if the overlay's target was a * FPGA region. */ -static void fpga_region_notify_post_remove(struct fpga_region *region, - struct of_overlay_notify_data *nd) +static void of_fpga_region_notify_post_remove(struct fpga_region *region, + struct of_overlay_notify_data *nd) { fpga_bridges_disable(®ion->bridge_list); fpga_bridges_put(®ion->bridge_list); @@ -493,18 +495,18 @@ static int of_fpga_region_notify(struct notifier_block *nb, return NOTIFY_OK; } - region = fpga_region_find(nd->target); + region = of_fpga_region_find(nd->target); if (!region) return NOTIFY_OK; ret = 0; switch (action) { case OF_OVERLAY_PRE_APPLY: - ret = fpga_region_notify_pre_apply(region, nd); + ret = of_fpga_region_notify_pre_apply(region, nd); break; case OF_OVERLAY_POST_REMOVE: - fpga_region_notify_post_remove(region, nd); + of_fpga_region_notify_post_remove(region, nd); break; } @@ -520,7 +522,7 @@ static struct notifier_block fpga_region_of_nb = { .notifier_call = of_fpga_region_notify, }; -static int fpga_region_probe(struct platform_device *pdev) +static int of_fpga_region_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; @@ -528,7 +530,7 @@ static int fpga_region_probe(struct platform_device *pdev) struct fpga_manager *mgr; int id, ret = 0; - mgr = fpga_region_get_manager(np); + mgr = of_fpga_region_get_mgr(np); if (IS_ERR(mgr)) return -EPROBE_DEFER; @@ -580,7 +582,7 @@ err_put_mgr: return ret; } -static int fpga_region_remove(struct platform_device *pdev) +static int of_fpga_region_remove(struct platform_device *pdev) { struct fpga_region *region = platform_get_drvdata(pdev); @@ -590,9 +592,9 @@ static int fpga_region_remove(struct platform_device *pdev) return 0; } -static struct platform_driver fpga_region_driver = { - .probe = fpga_region_probe, - .remove = fpga_region_remove, +static struct platform_driver of_fpga_region_driver = { + .probe = of_fpga_region_probe, + .remove = of_fpga_region_remove, .driver = { .name = "fpga-region", .of_match_table = of_match_ptr(fpga_region_of_match), @@ -625,7 +627,7 @@ static int __init fpga_region_init(void) if (ret) goto err_class; - ret = platform_driver_register(&fpga_region_driver); + ret = platform_driver_register(&of_fpga_region_driver); if (ret) goto err_plat; @@ -641,7 +643,7 @@ err_class: static void __exit fpga_region_exit(void) { - platform_driver_unregister(&fpga_region_driver); + platform_driver_unregister(&of_fpga_region_driver); of_overlay_notifier_unregister(&fpga_region_of_nb); class_destroy(fpga_region_class); ida_destroy(&fpga_region_ida); |
