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mhi: controller: qcom: fix unbalance runtime enable counts

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A bug in MHI system suspend function caused the function to exit
prematurely without disabling runtime suspend. The subsequent
runtime resume caused unbalance enable count.

CRs-Fixed: 2291885
Change-Id: I9f45a86fff2caf4ba13236677d1325e7093a1947
Signed-off-by: Sujeev Dias <sdias@codeaurora.org>
This commit is contained in:
Sujeev Dias 2018-08-06 11:54:40 -07:00
parent bdd63def94
commit a89cab3e3c
1 changed files with 8 additions and 2 deletions
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10
drivers/bus/mhi/controllers/mhi_qcom.c
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@ -257,12 +257,18 @@ static int mhi_system_resume(struct device *dev)
int mhi_system_suspend(struct device *dev)
{
struct mhi_controller *mhi_cntrl = dev_get_drvdata(dev);
int ret;
MHI_LOG("Entered\n");
/* if rpm status still active then force suspend */
if (!pm_runtime_status_suspended(dev))
return mhi_runtime_suspend(dev);
if (!pm_runtime_status_suspended(dev)) {
ret = mhi_runtime_suspend(dev);
if (ret) {
MHI_LOG("suspend failed ret:%d\n", ret);
return ret;
}
}
pm_runtime_set_suspended(dev);
pm_runtime_disable(dev);