Re: [PATCH net-next v2 5/6] net: bcmasp: Keep buffers through power management

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On Tue, Feb 27, 2024 at 10:54:53AM -0800, Justin Chen wrote:
> There is no advantage of freeing and re-allocating buffers through
> suspend and resume. This waste cycles and makes suspend/resume time
> longer. We also open ourselves to failed allocations in systems with
> heavy memory fragmentation.
> 
> Signed-off-by: Justin Chen <justin.chen@xxxxxxxxxxxx>
> Acked-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>

...

> @@ -1118,6 +1083,10 @@ static int bcmasp_open(struct net_device *dev)
>  
>  	netif_dbg(intf, ifup, dev, "bcmasp open\n");
>  
> +	ret = bcmasp_alloc_buffers(intf);
> +	if (ret)
> +		return ret;
> +

Hi Justin,

Do the resources allocated by bcmasp_alloc_buffers() need
to be released if an error occurs in bcmasp_open() below this line?

>  	ret = clk_prepare_enable(intf->parent->clk);
>  	if (ret)
>  		return ret;
> -- 
> 2.34.1
> 






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