[PATCH] drm/exynos: change the method for getting the interrupt resource of FIMD

[Vikas Sajjan]

Hi Mr. Inki Dae,

Can you please review this patch.?

On Wed, Mar 13, 2013 at 4:22 PM, Vikas Sajjan <vikas.sajjan at linaro.org> wrote:
> Replaces the "platform_get_resource() for IORESOURCE_IRQ" with
> platform_get_resource_byname().
> Both in exynos4 and exynos5, FIMD IP has 3 interrupts in the order: "fifo",
> "vsync", and "lcd_sys".
> But The FIMD driver expects the "vsync" interrupt to be mentioned as the
> 1st parameter in the FIMD DT node. So to meet this expectation of the
> driver, the FIMD DT node was forced to be made by keeping "vsync" as the
> 1st paramter.
> For example in exynos4, the FIMD DT node has interrupt numbers
> mentioned as <11, 1> <11, 0> <11, 2> keeping "vsync" as the 1st paramter.
>
> This patch fixes the above mentioned "hack" of re-ordering of the
> FIMD interrupt numbers by getting interrupt resource of FIMD by using
> platform_get_resource_byname().
>
> Signed-off-by: Vikas Sajjan <vikas.sajjan at linaro.org>
> ---
>  drivers/gpu/drm/exynos/exynos_drm_fimd.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
> index 1ea173a..cd79d38 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
> @@ -945,7 +945,7 @@ static int fimd_probe(struct platform_device *pdev)
>                 return -ENXIO;
>         }
>
> -       res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
> +       res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "vsync");
>         if (!res) {
>                 dev_err(dev, "irq request failed.\n");
>                 return -ENXIO;
> --
> 1.7.9.5
>
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