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ASoC: spear: fix error return code in spdif_in_probe()

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[ Upstream commit 27d30400c4 ]

platform_get_irq() returns an error code, but the spdif_in driver
ignores it and always returns -EINVAL. 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 error message and propagate the return value of platform_get_irq
on failure.

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Gustavo A. R. Silva
2017-06-30 15:43:50 -05:00
committed by Greg Kroah-Hartman
parent 87c7239cde
commit dfb3a6a31f
1 changed files with 4 additions and 2 deletions
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6
sound/soc/spear/spdif_in.c
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@@ -223,8 +223,10 @@ static int spdif_in_probe(struct platform_device *pdev)
host->io_base = io_base;
host->irq = platform_get_irq(pdev, 0);
if (host->irq < 0)
return -EINVAL;
if (host->irq < 0) {
dev_warn(&pdev->dev, "failed to get IRQ: %d\n", host->irq);
return host->irq;
}
host->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(host->clk))