Re: [PATCH] coresight: etm4x: Add Support for HiSilicon ETM device

[Suzuki K Poulose]

Hi Qi

On 08/03/2020 02:35 PM, Qi Liu wrote:
> Add ETMv4 periperhal ID for HiSilicon Hip08 and Hip09 platform. Hip08
> contains ETMv4.2 device and Hip09 contains ETMv4.5 device.

Does the ETMv4.5 on your system implement system instructions to access
the ETMs ? If so, please could you give the following series on your
board ?

http://lists.infradead.org/pipermail/linux-arm-kernel/2020-July/587745.html


> Signed-off-by: Qi Liu <liuqi115@xxxxxxxxxx>
> ---
>   drivers/hwtracing/coresight/coresight-etm4x.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c
> index 0c35cd5e..4a4f0bd 100644
> --- a/drivers/hwtracing/coresight/coresight-etm4x.c
> +++ b/drivers/hwtracing/coresight/coresight-etm4x.c
> @@ -1561,6 +1561,8 @@ static struct amba_cs_uci_id uci_id_etm4[] = {
>   };
>
>   static const struct amba_id etm4_ids[] = {
> +	CS_AMBA_ID(0x000b6d02),			/* HiSilicon-Hip09 */
> +	CS_AMBA_ID(0x000b6d01),			/* HiSilicon-Hip08 */

Please use CS_AMBA_UCI_ID() instead.

We should stop using the CS_AMBA_ID()


Suzuki