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These functions are already exposed via pmops function pointers and pmops is available by the time suspend/resume hooks are executed. Therefore, switch to using the pmops function pointers instead of directly invoking the functions. This also helps in a cleanup later. Since commit 60357991f6b9 ("firmware: ti_sci: Introduce Power Management Ops"), pmops->lpm_wake_reason is only populated when the firmware reports MSG_FLAG_CAPS_LPM_DM_MANAGED, but the resume hook bypassed that by calling ti_sci_msg_cmd_lpm_wake_reason() unconditionally. Guard the call with the same fw_caps check which should be the correct behaviour. Signed-off-by: Beleswar Padhi --- v2: Changelog: 1. None to this patch. Link to v1: https://lore.kernel.org/all/20260929201746.4078803-16-b-padhi@ti.com/ drivers/firmware/ti_sci.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-) diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c index d22686f9346ea..5d3151571ac33 100644 --- a/drivers/firmware/ti_sci.c +++ b/drivers/firmware/ti_sci.c @@ -3154,6 +3154,7 @@ static int ti_sci_suspend(struct device *dev) { struct ti_sci_info *info = dev_get_drvdata(dev); struct device *cpu_dev, *cpu_dev_max = NULL; + struct ti_sci_pm_ops *pmops = &info->handle.ops.pm_ops; s32 val, cpu_lat = 0; u16 cpu_lat_ms; int i, ret; @@ -3175,9 +3176,9 @@ static int ti_sci_suspend(struct device *dev) cpu_lat_ms = cpu_lat / USEC_PER_MSEC; dev_dbg(cpu_dev_max, "%s: sending max CPU latency=%u ms\n", __func__, cpu_lat_ms); - ret = ti_sci_cmd_set_latency_constraint(&info->handle, - cpu_lat_ms, - TISCI_MSG_CONSTRAINT_SET); + ret = pmops->set_latency_constraint(&info->handle, + cpu_lat_ms, + TISCI_MSG_CONSTRAINT_SET); if (ret) return ret; } @@ -3209,6 +3210,7 @@ static int ti_sci_resume_noirq(struct device *dev) struct ti_sci_info *info = dev_get_drvdata(dev); struct ti_sci_msg_req_manage_irq *irq_desc; struct ti_sci_irq *irq; + struct ti_sci_pm_ops *pmops = &info->handle.ops.pm_ops; struct hlist_node *tmp_node; int ret = 0, err = 0, i; u32 source; @@ -3262,11 +3264,14 @@ static int ti_sci_resume_noirq(struct device *dev) break; } - ret = ti_sci_msg_cmd_lpm_wake_reason(&info->handle, &source, &time, &pin, &mode); - /* Do not fail to resume on error as the wake reason is not critical */ - if (!ret) - dev_info(dev, "ti_sci: wakeup source:0x%x, pin:0x%x, mode:0x%x\n", - source, pin, mode); + if (info->fw_caps & MSG_FLAG_CAPS_LPM_DM_MANAGED) { + ret = pmops->lpm_wake_reason(&info->handle, &source, &time, &pin, + &mode); + /* Do not fail to resume on error as the wake reason is not critical */ + if (!ret) + dev_info(dev, "ti_sci: wakeup source:0x%x, pin:0x%x, mode:0x%x\n", + source, pin, mode); + } return err; } -- 2.34.1