Re: [PATCH v2] coresight: etm4x: Fix accesses to TRCSEQRSTEVR and TRCSEQSTR

On 14/01/2023 09:16, Junhao He wrote:

The TRCSEQRSTEVR and TRCSEQSTR registers are not implemented if the TRCIDR5.NUMSEQSTATE == 0. Skip accessing the registers in such cases.

Fixes: 2e1cdfe184b5 ("coresight-etm4x: Adding CoreSight ETM4x driver")

Signed-off-by: Junhao He hejunhao3@huawei.com Reviewed-by: Mike Leach mike.leach@linaro.org Reviewed-by: Anshuman Khandual anshuman.khandual@arm.com

Queued to coresight next:

https://git.kernel.org/coresight/c/589d928248b72f8

Thanks Suzuki