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Commit 5e78c3d5 authored by Tao,Zhang's avatar Tao,Zhang
Browse files

coregisht: cti: Adjust the position of reading register in probe 



Bring reading register forward to the function that will have a
chance to close clocks in probe function. Otherwise, it could cause
failing to read value of register.

Change-Id: Ib67f3edf23d88906d44c79d7a9f1026259a94411
Signed-off-by: default avatarTao,Zhang <taozha@codeaurora.org>
parent a80a92ab

drivers/hwtracing/coresight/coresight-cti.c

+1 −1
Original line number Diff line number Diff line
@@ -1556,10 +1556,10 @@ static int cti_probe(struct amba_device *adev, const struct amba_id *id) 
			cpu_pm_register_notifier(&cti_cpu_pm_notifier);

		registered++;

	}

	pm_runtime_put(&adev->dev);

	ctidevid = cti_readl(drvdata, DEVID);

	drvdata->trig_num_max = (ctidevid & GENMASK(15, 8)) >> 8;

	drvdata->ch_num_max = (ctidevid & GENMASK(21, 16)) >> 16;

	pm_runtime_put(&adev->dev);

	dev_dbg(dev, "CTI initialized\n");

	return 0;

err: