linux-kernel - Re: [PATCH v2 1/2] coresight: etm4x: Add ETM PID for Kryo-5XX

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Message-ID: <d2d34b7e-132f-9591-b3f0-66a9cc911abf@arm.com>
Date:   Tue, 21 Sep 2021 17:29:19 +0100
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     Tao Zhang <quic_taozha@...cinc.com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc:     Mike Leach <mike.leach@...aro.org>, Leo Yan <leo.yan@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        coresight@...ts.linaro.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Tingwei Zhang <quic_tingweiz@...cinc.com>,
        Mao Jinlong <quic_jinlmao@...cinc.com>,
        Yuanfang Zhang <quic_yuanfang@...cinc.com>
Subject: Re: [PATCH v2 1/2] coresight: etm4x: Add ETM PID for Kryo-5XX

On 13/09/2021 07:40, Tao Zhang wrote:
> Add ETM PID for Kryo-5XX to the list of supported ETMs.
> Otherwise, Kryo-5XX ETMs will not be initialized successfully.
> e.g.
> This change can be verified on qrb5165-rb5 board. ETM4-ETM7 nodes
> will not be visible without this change.
> 
> Signed-off-by: Tao Zhang <quic_taozha@...cinc.com>

Reviewed-by: Suzuki K Poulose <suzuki.poulose@....com>

> ---
>   drivers/hwtracing/coresight/coresight-etm4x-core.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
> index da27cd4a3c38..52ca918c3bec 100644
> --- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
> +++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
> @@ -2065,6 +2065,7 @@ static const struct amba_id etm4_ids[] = {
>   	CS_AMBA_UCI_ID(0x000bb803, uci_id_etm4),/* Qualcomm Kryo 385 Cortex-A75 */
>   	CS_AMBA_UCI_ID(0x000bb805, uci_id_etm4),/* Qualcomm Kryo 4XX Cortex-A55 */
>   	CS_AMBA_UCI_ID(0x000bb804, uci_id_etm4),/* Qualcomm Kryo 4XX Cortex-A76 */
> +	CS_AMBA_UCI_ID(0x000bbd0d, uci_id_etm4),/* Qualcomm Kryo 5XX Cortex-A77 */
>   	CS_AMBA_UCI_ID(0x000cc0af, uci_id_etm4),/* Marvell ThunderX2 */
>   	CS_AMBA_UCI_ID(0x000b6d01, uci_id_etm4),/* HiSilicon-Hip08 */
>   	CS_AMBA_UCI_ID(0x000b6d02, uci_id_etm4),/* HiSilicon-Hip09 */
>