Re: [Xen-devel] [PATCH v2 0/3] xen: arm: Parse PCI DT nodes' ranges and interrupt-map

[Chen Baozi <cbz@xxxxxxxxxx>]

On Tue, Apr 14, 2015 at 09:43:07AM +0100, Ian Campbell wrote:
> On Thu, 2015-03-12 at 17:16 +0000, Ian Campbell wrote:
> > This series adds parsing of the DT ranges and interrupt-map properties
> > for PCI devices, these contain the MMIOs and IRQs used by children on
> > the bus. This replaces the specific mapping stuff on xgene.
> 
> Somehow I managed to completely miss sending out the first patch here
> (thanks Chen Baozi!)...
> 
> This should be inserted at the head of the series.
> 
> From d0a024dd49ca6f67b0ec0342fd2d819b750a52a4 Mon Sep 17 00:00:00 2001
> From: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Date: Fri, 6 Mar 2015 11:13:30 +0000
> Subject: [PATCH] xen: dt: add dt_translate_address to translate a raw address
> 
> A future patch is going to want to translate an address which is not
> part of the reg property so the existing dt_device_get_address is not
> suitable.
> 
> This is the same function as Linux's of_translate_address but with the
> names changed to fit our context and the dev parameter constified.
> 
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

These 4 patches works for me.

Tested-by: Chen Baozi <baozich@xxxxxxxxx>

> ---
>  xen/common/device_tree.c      |    5 +++++
>  xen/include/xen/device_tree.h |    2 ++
>  2 files changed, 7 insertions(+)
> 
> diff --git a/xen/common/device_tree.c b/xen/common/device_tree.c
> index d1c716f..89491b2 100644
> --- a/xen/common/device_tree.c
> +++ b/xen/common/device_tree.c
> @@ -682,6 +682,11 @@ bail:
>      return result;
>  }
>  
> +u64 dt_translate_address(const struct dt_device_node *dev, const __be32 
> *in_addr)
> +{
> +        return __dt_translate_address(dev, in_addr, "ranges");
> +}
> +
>  /* dt_device_address - Translate device tree address and return it */
>  int dt_device_get_address(const struct dt_device_node *dev, int index,
>                            u64 *addr, u64 *size)
> diff --git a/xen/include/xen/device_tree.h b/xen/include/xen/device_tree.h
> index c8a0375..b7455cd 100644
> --- a/xen/include/xen/device_tree.h
> +++ b/xen/include/xen/device_tree.h
> @@ -464,6 +464,8 @@ struct dt_device_node *dt_find_node_by_path(const char 
> *path);
>   */
>  const struct dt_device_node *dt_get_parent(const struct dt_device_node 
> *node);
>  
> +u64 dt_translate_address(const struct dt_device_node *np, const __be32 
> *addr);
> +
>  /**
>   * dt_device_get_address - Resolve an address for a device
>   * @device: the device whose address is to be resolved
> -- 
> 1.7.10.4
> 
> 
> 
> 

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