Hi Sai,
On 12/07/2019 15:16, Sai Prakash Ranjan wrote:
Enable coresight support by adding device nodes for the
available source, sinks and channel blocks on MSM8998.
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@xxxxxxxxxxxxxx>
Reviewed-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Acked-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
---
arch/arm64/boot/dts/qcom/msm8998.dtsi | 435 ++++++++++++++++++++++++++
1 file changed, 435 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
index c13ed7aeb1e0..ad9cb5e8675d 100644
--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -822,6 +822,441 @@
etr@6048000 {
+ compatible = "arm,coresight-tmc", "arm,primecell";
+ reg = <0x06048000 0x1000>;
+
+ clocks = <&rpmcc RPM_SMD_QDSS_CLK>, <&rpmcc RPM_SMD_QDSS_A_CLK>;
+ clock-names = "apb_pclk", "atclk";
+ arm,scatter-gather;
Please could you confirm that you have tested the scatter-gather mode with ETR ?
Either via perf/sysfs. Please could you share your results ? Unless verified
this is going to be fatal for the system.
Similarly for other platforms.
Kind regards
Suzuki
