Mark bus as suspended during system suspend to block the future
transfers. Implement geni_i2c_resume_noirq() to resume the bus.
Fixes: 37692de5d523 ("i2c: i2c-qcom-geni: Add bus driver for the Qualcomm GENI I2C controller")
Signed-off-by: Roja Rani Yarubandi <rojay@xxxxxxxxxxxxxx>
---
Changes in V11:
- This is newly added patch in this V11 series.
drivers/i2c/busses/i2c-qcom-geni.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c
index c3ae66ba6345..671f4a52275e 100644
--- a/drivers/i2c/busses/i2c-qcom-geni.c
+++ b/drivers/i2c/busses/i2c-qcom-geni.c
@@ -698,6 +698,8 @@ static int __maybe_unused geni_i2c_suspend_noirq(struct device *dev)
{
struct geni_i2c_dev *gi2c = dev_get_drvdata(dev);
+ i2c_mark_adapter_suspended(&gi2c->adap);
+
if (!gi2c->suspended) {
geni_i2c_runtime_suspend(dev);
pm_runtime_disable(dev);
@@ -707,8 +709,16 @@ static int __maybe_unused geni_i2c_suspend_noirq(struct device *dev)
return 0;
}
+static int __maybe_unused geni_i2c_resume_noirq(struct device *dev)
+{
+ struct geni_i2c_dev *gi2c = dev_get_drvdata(dev);
+
+ i2c_mark_adapter_resumed(&gi2c->adap);
+ return 0;
+}
+
static const struct dev_pm_ops geni_i2c_pm_ops = {
- SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(geni_i2c_suspend_noirq, NULL)
+ SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(geni_i2c_suspend_noirq, geni_i2c_resume_noirq)
SET_RUNTIME_PM_OPS(geni_i2c_runtime_suspend, geni_i2c_runtime_resume,
NULL)
};
--
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