linux-kernel - Re: [PATCH 1/7] arch/mips/lantiq/xway: don't check resource with devm_ioremap

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Message-ID: <52D52796.3030509@phrozen.org>
Date:	Tue, 14 Jan 2014 13:03:34 +0100
From:	John Crispin <john@...ozen.org>
To:	Wolfram Sang <wsa@...-dreams.de>, linux-kernel@...r.kernel.org
CC:	Ralf Baechle <ralf@...ux-mips.org>, linux-mips@...ux-mips.org
Subject: Re: [PATCH 1/7] arch/mips/lantiq/xway: don't check resource with
 devm_ioremap_resource

Hi Wolfgang,

should we take 1/7 and 6/7 via the mips tree ?

    John


On 14/01/2014 12:58, Wolfram Sang wrote:
> devm_ioremap_resource does sanity checks on the given resource. No need to
> duplicate this in the driver.
>
> Signed-off-by: Wolfram Sang <wsa@...-dreams.de>
> Acked-by: John Crispin <blogic@...nwrt.org>
> ---
>
> Should go via subsystem tree
>
>  arch/mips/lantiq/xway/dma.c | 4 ----
>  1 file changed, 4 deletions(-)
>
> diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c
> index 08f7ebd..78a91fa 100644
> --- a/arch/mips/lantiq/xway/dma.c
> +++ b/arch/mips/lantiq/xway/dma.c
> @@ -220,10 +220,6 @@ ltq_dma_init(struct platform_device *pdev)
>  	int i;
>  
>  	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	if (!res)
> -		panic("Failed to get dma resource");
> -
> -	/* remap dma register range */
>  	ltq_dma_membase = devm_ioremap_resource(&pdev->dev, res);
>  	if (IS_ERR(ltq_dma_membase))
>  		panic("Failed to remap dma resource");

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