[PATCH 2/2] drm/exynos: Fix address space warnings in exynos_drm_fbdev.c

Inki Dae inki.dae at samsung.com
Mon Sep 16 06:04:25 PDT 2013


Applied.

Thanks,
Inki Dae


2013/9/5 Sachin Kamat <sachin.kamat at linaro.org>

> Silences the following warnings:
> drivers/gpu/drm/exynos/exynos_drm_fbdev.c:102:40: warning:
> incorrect type in assignment (different address spaces)
> drivers/gpu/drm/exynos/exynos_drm_fbdev.c:102:40:
> expected void [noderef] <asn:2>*kvaddr
> drivers/gpu/drm/exynos/exynos_drm_fbdev.c:102:40:    got void *
> drivers/gpu/drm/exynos/exynos_drm_fbdev.c:107:48: warning:
> incorrect type in assignment (different address spaces)
> drivers/gpu/drm/exynos/exynos_drm_fbdev.c:107:48:
> expected void [noderef] <asn:2>*kvaddr
> drivers/gpu/drm/exynos/exynos_drm_fbdev.c:107:48:    got void *
>
> Signed-off-by: Sachin Kamat <sachin.kamat at linaro.org>
> ---
>  drivers/gpu/drm/exynos/exynos_drm_fbdev.c |    5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
> b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
> index 78e868b..e7c2f2d 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
> @@ -99,12 +99,13 @@ static int exynos_drm_fbdev_update(struct
> drm_fb_helper *helper,
>                 if (is_drm_iommu_supported(dev)) {
>                         unsigned int nr_pages = buffer->size >> PAGE_SHIFT;
>
> -                       buffer->kvaddr = vmap(buffer->pages, nr_pages,
> VM_MAP,
> +                       buffer->kvaddr = (void __iomem *)
> vmap(buffer->pages,
> +                                       nr_pages, VM_MAP,
>                                         pgprot_writecombine(PAGE_KERNEL));
>                 } else {
>                         phys_addr_t dma_addr = buffer->dma_addr;
>                         if (dma_addr)
> -                               buffer->kvaddr = phys_to_virt(dma_addr);
> +                               buffer->kvaddr = (void __iomem
> *)phys_to_virt(dma_addr);
>                         else
>                                 buffer->kvaddr = (void __iomem *)NULL;
>                 }
> --
> 1.7.9.5
>
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