linux-kernel - Re: [PATCH V4 4/6] slim: qcom: Add Qualcomm Slimbus controller driver

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Message-ID: <20160418091939.GK3217@sirena.org.uk>
Date:	Mon, 18 Apr 2016 10:19:39 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Sagar Dharia <sdharia@...eaurora.org>
Cc:	robh@...nel.org, gregkh@...uxfoundation.org, bp@...e.de,
	poeschel@...onage.de, treding@...dia.com,
	gong.chen@...ux.intel.com, andreas.noever@...il.com,
	alan@...ux.intel.com, mathieu.poirier@...aro.org, daniel@...ll.ch,
	oded.gabbay@....com, jkosina@...e.cz, sharon.dvir1@...l.huji.ac.il,
	joe@...ches.com, davem@...emloft.net, james.hogan@...tec.com,
	michael.opdenacker@...e-electrons.com, daniel.thompson@...aro.org,
	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	kheitke@...ience.com, mlocke@...eaurora.org, agross@...eaurora.org,
	linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH V4 4/6] slim: qcom: Add Qualcomm Slimbus controller driver

On Fri, Apr 15, 2016 at 10:17:36AM -0600, Sagar Dharia wrote:

Please leave blank lines between paragraphs, it makes things much easier
to read than a wall of uninterrupted text.

> >>+	ret = devm_request_irq(&pdev->dev, dev->irq, msm_slim_interrupt,
> >>+				IRQF_TRIGGER_HIGH, "msm_slim_irq", dev);
> >>+	if (ret) {
> >>+		dev_err(&pdev->dev, "request IRQ failed\n");
> >>+		goto err_request_irq_failed;
> >>+	}

> >Are you sure this is safe and we don't deallocate things the interrupt
> >handler uses before we disable the interrupt?

> Since clock is not enabled before this step, we won't be getting any
> interrupts from HW at this stage.

No, that's not what I'm saying - I'm asking about the *disable* path on
remove.

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