On 11/09/2023 08:25, Ruidong Tian wrote:

From: Jay Chen jkchen@linux.alibaba.com

Add support for detcting ETE device of THEAD YiTian SOC.

Signed-off-by: Jay Chen jkchen@linux.alibaba.com Signed-off-by: Ruidong Tian tianruidong@linux.alibaba.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 77b0271ce6eb..329bb554b168 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-core.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c @@ -2351,6 +2351,7 @@ static const struct of_device_id etm4_sysreg_match[] = { #ifdef CONFIG_ACPI static const struct acpi_device_id etm4x_acpi_ids[] = { {"ARMHC500", 0}, /* ARM CoreSight ETM4x */

• {"BABA6000", 0 }, /* THEAD CoreSight ETE */

Why don't we use ARMHC500 for the ETE ? See :

https://developer.arm.com/documentation/den0067/latest/

Suzuki

{} }; MODULE_DEVICE_TABLE(acpi, etm4x_acpi_ids);