On 07/31/2012 01:54 PM, Damien Cassou wrote:
> From: Damien Cassou <damien.cas...@lifl.fr>
> 
> The various devm_ functions allocate memory that is released when a driver
> detaches.  This patch uses these functions for data that is allocated in
> the probe function of a platform device and is only freed in the remove
> function.
> 
> Signed-off-by: Damien Cassou <damien.cas...@lifl.fr>

Applied.


Thanks,

Florian Tobias Schandinat

> 
> ---
>  drivers/video/ep93xx-fb.c |   17 ++++++-----------
>  1 file changed, 6 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/video/ep93xx-fb.c b/drivers/video/ep93xx-fb.c
> index 345d962..69c89f2 100644
> --- a/drivers/video/ep93xx-fb.c
> +++ b/drivers/video/ep93xx-fb.c
> @@ -529,7 +529,8 @@ static int __devinit ep93xxfb_probe(struct 
> platform_device *pdev)
>        * any of the framebuffer registers.
>        */
>       fbi->res = res;
> -     fbi->mmio_base = ioremap(res->start, resource_size(res));
> +     fbi->mmio_base = devm_ioremap(&pdev->dev, res->start,
> +                                   resource_size(res));
>       if (!fbi->mmio_base) {
>               err = -ENXIO;
>               goto failed_resource;
> @@ -553,20 +554,20 @@ static int __devinit ep93xxfb_probe(struct 
> platform_device *pdev)
>       if (err == 0) {
>               dev_err(info->dev, "No suitable video mode found\n");
>               err = -EINVAL;
> -             goto failed_mode;
> +             goto failed_resource;
>       }
>  
>       if (mach_info->setup) {
>               err = mach_info->setup(pdev);
>               if (err)
> -                     goto failed_mode;
> +                     goto failed_resource;
>       }
>  
>       err = ep93xxfb_check_var(&info->var, info);
>       if (err)
>               goto failed_check;
>  
> -     fbi->clk = clk_get(info->dev, NULL);
> +     fbi->clk = devm_clk_get(&pdev->dev, NULL);
>       if (IS_ERR(fbi->clk)) {
>               err = PTR_ERR(fbi->clk);
>               fbi->clk = NULL;
> @@ -578,19 +579,15 @@ static int __devinit ep93xxfb_probe(struct 
> platform_device *pdev)
>  
>       err = register_framebuffer(info);
>       if (err)
> -             goto failed;
> +             goto failed_check;
>  
>       dev_info(info->dev, "registered. Mode = %dx%d-%d\n",
>                info->var.xres, info->var.yres, info->var.bits_per_pixel);
>       return 0;
>  
> -failed:
> -     clk_put(fbi->clk);
>  failed_check:
>       if (fbi->mach_info->teardown)
>               fbi->mach_info->teardown(pdev);
> -failed_mode:
> -     iounmap(fbi->mmio_base);
>  failed_resource:
>       ep93xxfb_dealloc_videomem(info);
>  failed_videomem:
> @@ -609,8 +606,6 @@ static int __devexit ep93xxfb_remove(struct 
> platform_device *pdev)
>  
>       unregister_framebuffer(info);
>       clk_disable(fbi->clk);
> -     clk_put(fbi->clk);
> -     iounmap(fbi->mmio_base);
>       ep93xxfb_dealloc_videomem(info);
>       fb_dealloc_cmap(&info->cmap);
>  
> 
> 

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