RE: [linux-devel] [PATCH 3/3] core-arm: add a member about dma_map_ops in dev_archdata struct

[Leo Li]

> -----Original Message-----
> From: linux-devel-bounces@xxxxxxxxxxxxxxxxxxxx [mailto:linux-devel-
> bounces@xxxxxxxxxxxxxxxxxxxx] On Behalf Of yinbo.zhu@xxxxxxx
> Sent: Friday, August 11, 2017 5:01 AM
> To: linux-devel@xxxxxxxxxxxxxxxxxxxx; Yinbo Zhu <yinbo.zhu@xxxxxxx>; Rob
> Herring <robh+dt@xxxxxxxxxx>; Mark Rutland <mark.rutland@xxxxxxx>;
> Russell King <linux@xxxxxxxxxxxxxxx>; Felipe Balbi <balbi@xxxxxxxxxx>
> Cc: open list <devicetree@xxxxxxxxxxxxxxx>; Laurent Pinchart
> <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>; Catalin Marinas
> <catalin.marinas@xxxxxxx>; open list <linux-usb@xxxxxxxxxxxxxxx>; open list
> <linux-kernel@xxxxxxxxxxxxxxx>; Doug Ledford <dledford@xxxxxxxxxx>;
> Stefano Stabellini <sstabellini@xxxxxxxxxx>; Greg Kroah-Hartman
> <gregkh@xxxxxxxxxxxxxxxxxxx>; Bart Van Assche
> <bart.vanassche@xxxxxxxxxxx>; moderated list <linux-arm-
> kernel@xxxxxxxxxxxxxxxxxxx>
> Subject: [linux-devel] [PATCH 3/3] core-arm: add a member about
> dma_map_ops in dev_archdata struct
> 
> From: "yinbo.zhu" <yinbo.zhu@xxxxxxx>

The dma_ops was just moved from struct dev_archdata to struct device with commit 5657933dbb6e25feaf5d8df8c88f96cdade693a3.  Don't duplicate the dma_ops in both places if you don't have a good reason.

> 
> Signed-off-by: yinbo.zhu <yinbo.zhu@xxxxxxx>
> ---
>  arch/arm/include/asm/device.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm/include/asm/device.h b/arch/arm/include/asm/device.h
> index 220ba20..c93d3df 100644
> --- a/arch/arm/include/asm/device.h
> +++ b/arch/arm/include/asm/device.h
> @@ -7,6 +7,7 @@
>  #define ASMARM_DEVICE_H
> 
>  struct dev_archdata {
> +const struct dma_map_ops        *dma_ops;
>  #ifdef CONFIG_DMABOUNCE
>  	struct dmabounce_device_info *dmabounce;  #endif
> --
> 2.1.0.27.g96db324
> 
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