[PATCH 2/3] soc: qcom: stats: Add fixed sleep stats offset for older RPM firmwares
From: Stephan Gerhold <stephan@gerhold.net>
Date: 2021-10-18 11:10:45
Also in:
linux-arm-msm
Subsystem:
arm/qualcomm mailing list, arm/qualcomm support, the rest · Maintainers:
Bjorn Andersson, Konrad Dybcio, Linus Torvalds
Not all RPM firmware versions have the dynamic sleep stats offset available. Older versions use a fixed offset of 0xdba0. Add support for this using a new qcom,rpm-legacy-stats compatible that can be used for older SoCs like MSM8916. Suggested-by: Maulik Shah <redacted> Signed-off-by: Stephan Gerhold <stephan@gerhold.net> --- drivers/soc/qcom/qcom_stats.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/drivers/soc/qcom/qcom_stats.c b/drivers/soc/qcom/qcom_stats.c
index 817505bd99b5..67728de718fd 100644
--- a/drivers/soc/qcom/qcom_stats.c
+++ b/drivers/soc/qcom/qcom_stats.c@@ -237,6 +237,15 @@ static const struct stats_config rpm_data = { .subsystem_stats_in_smem = false, }; +/* Older RPM firmwares have the stats at a fixed offset instead */ +static const struct stats_config rpm_legacy_data = { + .stats_offset = 0xdba0, + .num_records = 2, + .appended_stats_avail = true, + .dynamic_offset = false, + .subsystem_stats_in_smem = false, +}; + static const struct stats_config rpmh_data = { .stats_offset = 0x48, .num_records = 3,
@@ -247,6 +256,7 @@ static const struct stats_config rpmh_data = { static const struct of_device_id qcom_stats_table[] = { { .compatible = "qcom,rpm-stats", .data = &rpm_data }, + { .compatible = "qcom,rpm-legacy-stats", .data = &rpm_legacy_data }, { .compatible = "qcom,rpmh-stats", .data = &rpmh_data }, { } };
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2.33.0