Commit b4d64193 authored by Baolin Wang's avatar Baolin Wang Committed by Bjorn Andersson
Browse files

hwspinlock: sprd: Use devm_add_action_or_reset() for calls to clk_disable_unprepare()



Use devm_add_action_or_reset() for calls to clk_disable_unprepare(),
which can simplify the error handling.

Signed-off-by: default avatarBaolin Wang <baolin.wang@linaro.org>
Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
parent 3070c416
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+15 −2
Original line number Diff line number Diff line
@@ -79,6 +79,13 @@ static const struct hwspinlock_ops sprd_hwspinlock_ops = {
	.relax = sprd_hwspinlock_relax,
};

static void sprd_hwspinlock_disable(void *data)
{
	struct sprd_hwspinlock_dev *sprd_hwlock = data;

	clk_disable_unprepare(sprd_hwlock->clk);
}

static int sprd_hwspinlock_probe(struct platform_device *pdev)
{
	struct sprd_hwspinlock_dev *sprd_hwlock;
@@ -109,6 +116,14 @@ static int sprd_hwspinlock_probe(struct platform_device *pdev)
	if (ret)
		return ret;

	ret = devm_add_action_or_reset(&pdev->dev, sprd_hwspinlock_disable,
				       sprd_hwlock);
	if (ret) {
		dev_err(&pdev->dev,
			"Failed to add hwspinlock disable action\n");
		return ret;
	}

	/* set the hwspinlock to record user id to identify subsystems */
	writel(HWSPINLOCK_USER_BITS, sprd_hwlock->base + HWSPINLOCK_RECCTRL);

@@ -124,7 +139,6 @@ static int sprd_hwspinlock_probe(struct platform_device *pdev)
				   &sprd_hwspinlock_ops, 0, SPRD_HWLOCKS_NUM);
	if (ret) {
		pm_runtime_disable(&pdev->dev);
		clk_disable_unprepare(sprd_hwlock->clk);
		return ret;
	}

@@ -137,7 +151,6 @@ static int sprd_hwspinlock_remove(struct platform_device *pdev)

	hwspin_lock_unregister(&sprd_hwlock->bank);
	pm_runtime_disable(&pdev->dev);
	clk_disable_unprepare(sprd_hwlock->clk);
	return 0;
}