linux-kernel - Re: [PATCH v4 2/4] coresight: replicator: Add new device id for static replicator

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Date:   Mon, 8 Apr 2019 11:46:52 +0100
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     leo.yan@...aro.org, mathieu.poirier@...aro.org, robh+dt@...nel.org,
        mark.rutland@....com, alexander.shishkin@...ux.intel.com,
        shiwanglai@...ilicon.com, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/4] coresight: replicator: Add new device id for
 static replicator

On 04/06/2019 12:21 PM, Leo Yan wrote:
> This patch adds a device id for the new static replicator compatible
> string; it changes the driver name from "coresight-replicator" to
> "coresight-static-replicator" as well.
> 
> Signed-off-by: Leo Yan <leo.yan@...aro.org>
> ---
>   drivers/hwtracing/coresight/coresight-replicator.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/hwtracing/coresight/coresight-replicator.c b/drivers/hwtracing/coresight/coresight-replicator.c
> index 4e0da85efd2d..e6a03642bbdb 100644
> --- a/drivers/hwtracing/coresight/coresight-replicator.c
> +++ b/drivers/hwtracing/coresight/coresight-replicator.c
> @@ -285,13 +285,14 @@ static const struct dev_pm_ops replicator_dev_pm_ops = {
>   
>   static const struct of_device_id static_replicator_match[] = {
>   	{.compatible = "arm,coresight-replicator"},
> +	{.compatible = "arm,coresight-static-replicator"},
>   	{}

As mentioned in the previous patch, please could you add a warning if
you encounter the old binding, mentioning that it is OBSOLETE.
pr_warn_once() is sufficient.

Otherwise, looks good.

Suzuki