Hi,
Reviewed-by: Maulik Shah <mkshah@xxxxxxxxxxxxxx>
Thanks,
Maulik
On 10/18/2021 4:38 PM, Stephan Gerhold wrote:
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 <mkshah@xxxxxxxxxxxxxx>
Signed-off-by: Stephan Gerhold <stephan@xxxxxxxxxxx>
---
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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