linux-kernel - Re: [PATCH -next] dma: Add dev_id parameter description in request_dma

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Date: Thu, 02 May 2024 12:31:54 +0200
From: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To: Yang Li <yang.lee@...ux.alibaba.com>, ysato@...rs.sourceforge.jp, 
	dalias@...c.org
Cc: linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] dma: Add dev_id parameter description in
 request_dma_bycap

Hi Yang,

On Fri, 2024-04-19 at 17:02 +0800, Yang Li wrote:
> This patch adds the missing description for the dev_id parameter in the
> kernel documentation for the request_dma_bycap function.
> 
> Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
> ---
>  arch/sh/drivers/dma/dma-api.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/sh/drivers/dma/dma-api.c b/arch/sh/drivers/dma/dma-api.c
> index 89cd4a3b4cca..65005d348877 100644
> --- a/arch/sh/drivers/dma/dma-api.c
> +++ b/arch/sh/drivers/dma/dma-api.c
> @@ -116,6 +116,7 @@ static int search_cap(const char **haystack, const char *needle)
>   * request_dma_bycap - Allocate a DMA channel based on its capabilities
>   * @dmac: List of DMA controllers to search
>   * @caps: List of capabilities
> + * @dev_id: Unique identifier for the device that is requesting a DMA channel
>   *
>   * Search all channels of all DMA controllers to find a channel which
>   * matches the requested capabilities. The result is the channel

This patch is now obsolete since search_cap() was removed in for-next by Geert
Uytterhoven in 89256d73 ("sh: dma: Remove unused functionality").

Thanks,
Adrian

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