linux-kernel - Re: [PATCH] fpga: Directly use ida

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Date:   Sat, 28 May 2022 23:43:55 +0800
From:   Xu Yilun <yilun.xu@...el.com>
To:     keliu <liuke94@...wei.com>
Cc:     hao.wu@...el.com, trix@...hat.com, mdf@...nel.org,
        linux-fpga@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fpga: Directly use ida_alloc()/free()

On Fri, May 27, 2022 at 08:59:15AM +0000, keliu wrote:
> Use ida_alloc()/ida_free() instead of deprecated
> ida_simple_get()/ida_simple_remove() .
> 
> Signed-off-by: keliu <liuke94@...wei.com>

Acked-by: Xu Yilun <yilun.xu@...el.com>

> ---
>  drivers/fpga/dfl.c         | 4 ++--
>  drivers/fpga/fpga-bridge.c | 6 +++---
>  drivers/fpga/fpga-mgr.c    | 6 +++---
>  drivers/fpga/fpga-region.c | 6 +++---
>  4 files changed, 11 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c
> index 599bb21d86af..2dff0c626cc6 100644
> --- a/drivers/fpga/dfl.c
> +++ b/drivers/fpga/dfl.c
> @@ -342,7 +342,7 @@ static void release_dfl_dev(struct device *dev)
>  	if (ddev->mmio_res.parent)
>  		release_resource(&ddev->mmio_res);
>  
> -	ida_simple_remove(&dfl_device_ida, ddev->id);
> +	ida_free(&dfl_device_ida, ddev->id);
>  	kfree(ddev->irqs);
>  	kfree(ddev);
>  }
> @@ -360,7 +360,7 @@ dfl_dev_add(struct dfl_feature_platform_data *pdata,
>  	if (!ddev)
>  		return ERR_PTR(-ENOMEM);
>  
> -	id = ida_simple_get(&dfl_device_ida, 0, 0, GFP_KERNEL);
> +	id = ida_alloc(&dfl_device_ida, GFP_KERNEL);
>  	if (id < 0) {
>  		dev_err(&pdev->dev, "unable to get id\n");
>  		kfree(ddev);
> diff --git a/drivers/fpga/fpga-bridge.c b/drivers/fpga/fpga-bridge.c
> index 16f2b164a178..727704431f61 100644
> --- a/drivers/fpga/fpga-bridge.c
> +++ b/drivers/fpga/fpga-bridge.c
> @@ -342,7 +342,7 @@ fpga_bridge_register(struct device *parent, const char *name,
>  	if (!bridge)
>  		return ERR_PTR(-ENOMEM);
>  
> -	id = ida_simple_get(&fpga_bridge_ida, 0, 0, GFP_KERNEL);
> +	id = ida_alloc(&fpga_bridge_ida, GFP_KERNEL);
>  	if (id < 0) {
>  		ret = id;
>  		goto error_kfree;
> @@ -375,7 +375,7 @@ fpga_bridge_register(struct device *parent, const char *name,
>  	return bridge;
>  
>  error_device:
> -	ida_simple_remove(&fpga_bridge_ida, id);
> +	ida_free(&fpga_bridge_ida, id);
>  error_kfree:
>  	kfree(bridge);
>  
> @@ -407,7 +407,7 @@ static void fpga_bridge_dev_release(struct device *dev)
>  {
>  	struct fpga_bridge *bridge = to_fpga_bridge(dev);
>  
> -	ida_simple_remove(&fpga_bridge_ida, bridge->dev.id);
> +	ida_free(&fpga_bridge_ida, bridge->dev.id);
>  	kfree(bridge);
>  }
>  
> diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c
> index d49a9ce34568..2955a21beebe 100644
> --- a/drivers/fpga/fpga-mgr.c
> +++ b/drivers/fpga/fpga-mgr.c
> @@ -622,7 +622,7 @@ fpga_mgr_register_full(struct device *parent, const struct fpga_manager_info *in
>  	if (!mgr)
>  		return ERR_PTR(-ENOMEM);
>  
> -	id = ida_simple_get(&fpga_mgr_ida, 0, 0, GFP_KERNEL);
> +	id = ida_alloc(&fpga_mgr_ida, GFP_KERNEL);
>  	if (id < 0) {
>  		ret = id;
>  		goto error_kfree;
> @@ -661,7 +661,7 @@ fpga_mgr_register_full(struct device *parent, const struct fpga_manager_info *in
>  	return mgr;
>  
>  error_device:
> -	ida_simple_remove(&fpga_mgr_ida, id);
> +	ida_free(&fpga_mgr_ida, id);
>  error_kfree:
>  	kfree(mgr);
>  
> @@ -785,7 +785,7 @@ static void fpga_mgr_dev_release(struct device *dev)
>  {
>  	struct fpga_manager *mgr = to_fpga_manager(dev);
>  
> -	ida_simple_remove(&fpga_mgr_ida, mgr->dev.id);
> +	ida_free(&fpga_mgr_ida, mgr->dev.id);
>  	kfree(mgr);
>  }
>  
> diff --git a/drivers/fpga/fpga-region.c b/drivers/fpga/fpga-region.c
> index b0ac18de4885..18bcaa1926dd 100644
> --- a/drivers/fpga/fpga-region.c
> +++ b/drivers/fpga/fpga-region.c
> @@ -202,7 +202,7 @@ fpga_region_register_full(struct device *parent, const struct fpga_region_info *
>  	if (!region)
>  		return ERR_PTR(-ENOMEM);
>  
> -	id = ida_simple_get(&fpga_region_ida, 0, 0, GFP_KERNEL);
> +	id = ida_alloc(&fpga_region_ida, GFP_KERNEL);
>  	if (id < 0) {
>  		ret = id;
>  		goto err_free;
> @@ -234,7 +234,7 @@ fpga_region_register_full(struct device *parent, const struct fpga_region_info *
>  	return region;
>  
>  err_remove:
> -	ida_simple_remove(&fpga_region_ida, id);
> +	ida_free(&fpga_region_ida, id);
>  err_free:
>  	kfree(region);
>  
> @@ -283,7 +283,7 @@ static void fpga_region_dev_release(struct device *dev)
>  {
>  	struct fpga_region *region = to_fpga_region(dev);
>  
> -	ida_simple_remove(&fpga_region_ida, region->dev.id);
> +	ida_free(&fpga_region_ida, region->dev.id);
>  	kfree(region);
>  }
>  
> -- 
> 2.25.1