• Sai Prakash Ranjan's avatar
    coresight: cpu-debug: Add support for Qualcomm Kryo · df4473fa
    Sai Prakash Ranjan authored
    Add support for coresight CPU debug module on Qualcomm
    Kryo CPUs. This patch adds the UCI entries for Kryo CPUs
    found on MSM8996 which shares the same PIDs as ETMs.
    
    Without this, below error is observed on MSM8996:
    
    [    5.429867] OF: graph: no port node found in /soc/debug@3810000
    [    5.429938] coresight-etm4x: probe of 3810000.debug failed with error -22
    [    5.435415] coresight-cpu-debug 3810000.debug: Coresight debug-CPU0 initialized
    [    5.446474] OF: graph: no port node found in /soc/debug@3910000
    [    5.448927] coresight-etm4x: probe of 3910000.debug failed with error -22
    [    5.454681] coresight-cpu-debug 3910000.debug: Coresight debug-CPU1 initialized
    [    5.487765] OF: graph: no port node found in /soc/debug@3a10000
    [    5.488007] coresight-etm4x: probe of 3a10000.debug failed with error -22
    [    5.493024] coresight-cpu-debug 3a10000.debug: Coresight debug-CPU2 initialized
    [    5.501802] OF: graph: no port node found in /soc/debug@3b10000
    [    5.512901] coresight-etm4x: probe of 3b10000.debug failed with error -22
    [    5.513192] coresight-cpu-debug 3b10000.debug: Coresight debug-CPU3 initialized
    Signed-off-by: default avatarSai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
    Tested-by: default avatarLeo Yan <leo.yan@linaro.org>
    Signed-off-by: default avatarMathieu Poirier <mathieu.poirier@linaro.org>
    Link: https://lore.kernel.org/r/20190829202842.580-4-mathieu.poirier@linaro.orgSigned-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
    df4473fa
coresight-cpu-debug.c 16.1 KB