PM / devfreq: tegra: fix error return code in tegra_devfreq_probe()
[ Upstream commit 9e578b37505018622dfafc40eed7cd78ff2af221 ] platform_get_irq() returns an error code, but the tegra-devfreq driver ignores it and always returns -ENODEV. This is not correct, and prevents -EPROBE_DEFER from being propagated properly. Notice that platform_get_irq() no longer returns 0 on error: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e330b9a6bb35dc7097a4f02cb1ae7b6f96df92af Print and propagate the return value of platform_get_irq on failure. Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 3 additions and 3 deletions
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@ -688,9 +688,9 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
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}
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irq = platform_get_irq(pdev, 0);
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if (irq <= 0) {
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dev_err(&pdev->dev, "Failed to get IRQ\n");
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return -ENODEV;
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if (irq < 0) {
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dev_err(&pdev->dev, "Failed to get IRQ: %d\n", irq);
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return irq;
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}
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platform_set_drvdata(pdev, tegra);
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