Re: [PATCH V9 2/7] interconnect: core: Add dynamic id allocation support

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On Thu, Feb 27, 2025 at 03:52:08PM +0000, Raviteja Laggyshetty wrote:
> The current interconnect framework relies on static IDs for node
> creation and registration, which limits topologies with multiple
> instances of the same interconnect provider. To address this, update
> the interconnect framework APIs icc_node_create() and icc_link_create()
> APIs to dynamically allocate IDs for interconnect nodes during creation.
> This change removes the dependency on static IDs, allowing multiple
> instances of the same hardware, such as EPSS L3.
> 
> Signed-off-by: Raviteja Laggyshetty <quic_rlaggysh@xxxxxxxxxxx>
> ---
>  drivers/interconnect/core.c  | 13 ++++++++++++-
>  include/linux/interconnect.h |  3 +++
>  2 files changed, 15 insertions(+), 1 deletion(-)
> 



> diff --git a/include/linux/interconnect.h b/include/linux/interconnect.h
> index 97ac253df62c..8b0f892aaed2 100644
> --- a/include/linux/interconnect.h
> +++ b/include/linux/interconnect.h
> @@ -20,6 +20,9 @@
>  #define Mbps_to_icc(x)	((x) * 1000 / 8)
>  #define Gbps_to_icc(x)	((x) * 1000 * 1000 / 8)
>  
> +/* macro to indicate dynamic id allocation */
> +#define ALLOC_DYN_ID	-1

Nit: ICC_ALLOC_DYN_ID

With that fixed,

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

> +
>  struct icc_path;
>  struct device;
>  
> -- 
> 2.43.0
> 

-- 
With best wishes
Dmitry




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