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-rw-r--r--drivers/bus/ti-sysc.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index 38573f9b4fdc..f36f3e8b38f3 100644
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -89,9 +89,10 @@ struct sysc {
struct ti_sysc_cookie cookie;
const char *name;
u32 revision;
- bool enabled;
- bool needs_resume;
- bool child_needs_resume;
+ unsigned int enabled:1;
+ unsigned int needs_resume:1;
+ unsigned int child_needs_resume:1;
+ unsigned int disable_on_idle:1;
struct delayed_work idle_work;
};
@@ -1021,6 +1022,9 @@ static int __maybe_unused sysc_runtime_suspend_legacy(struct device *dev,
dev_err(dev, "%s: could not idle: %i\n",
__func__, error);
+ if (ddata->disable_on_idle)
+ reset_control_assert(ddata->rsts);
+
return 0;
}
@@ -1030,6 +1034,9 @@ static int __maybe_unused sysc_runtime_resume_legacy(struct device *dev,
struct ti_sysc_platform_data *pdata;
int error;
+ if (ddata->disable_on_idle)
+ reset_control_deassert(ddata->rsts);
+
pdata = dev_get_platdata(ddata->dev);
if (!pdata)
return 0;
@@ -1077,6 +1084,9 @@ static int __maybe_unused sysc_runtime_suspend(struct device *dev)
err_allow_idle:
sysc_clkdm_allow_idle(ddata);
+ if (ddata->disable_on_idle)
+ reset_control_assert(ddata->rsts);
+
return error;
}
@@ -1090,6 +1100,9 @@ static int __maybe_unused sysc_runtime_resume(struct device *dev)
if (ddata->enabled)
return 0;
+ if (ddata->disable_on_idle)
+ reset_control_deassert(ddata->rsts);
+
sysc_clkdm_deny_idle(ddata);
if (sysc_opt_clks_needed(ddata)) {
@@ -2306,7 +2319,7 @@ static int sysc_probe(struct platform_device *pdev)
}
if (!of_get_available_child_count(ddata->dev->of_node))
- reset_control_assert(ddata->rsts);
+ ddata->disable_on_idle = true;
return 0;