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Commit ad03b037 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "scsi: ufs: Make sure clk scaling happens only when hba is runtime ACTIVE"

parents 2abb78b9 80d85e5d

drivers/scsi/ufs/ufshcd.c

+11 −0
Original line number Diff line number Diff line
@@ -1357,8 +1357,19 @@ static int ufshcd_devfreq_target(struct device *dev, 
	}

	spin_unlock_irqrestore(hba->host->host_lock, irq_flags);



#if defined(CONFIG_SCSI_UFSHCD_QTI)

	pm_runtime_get_noresume(hba->dev);

	if (!pm_runtime_active(hba->dev)) {

		pm_runtime_put_noidle(hba->dev);

		ret = -EAGAIN;

		goto out;

	}

#endif

	start = ktime_get();

	ret = ufshcd_devfreq_scale(hba, scale_up);

#if defined(CONFIG_SCSI_UFSHCD_QTI)

	pm_runtime_put(hba->dev);

#endif



	trace_ufshcd_profile_clk_scaling(dev_name(hba->dev),

		(scale_up ? "up" : "down"),