linux-kernel - [PATCH] ASoC: stm32: i2s: return the get

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Message-ID: <1556119724-9873-1-git-send-email-fabien.dessenne@st.com>
Date:   Wed, 24 Apr 2019 17:28:44 +0200
From:   Fabien Dessenne <fabien.dessenne@...com>
To:     Olivier Moysan <olivier.moysan@...com>,
        Arnaud Pouliquen <arnaud.pouliquen@...com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        "Alexandre Torgue" <alexandre.torgue@...com>,
        <alsa-devel@...a-project.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     Fabien Dessenne <fabien.dessenne@...com>
Subject: [PATCH] ASoC: stm32: i2s: return the get_irq error

During probe, return the "get_irq" error value instead of -ENOENT. This
allows the driver to be deferred probed if needed.

Signed-off-by: Fabien Dessenne <fabien.dessenne@...com>
---
 sound/soc/stm/stm32_i2s.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sound/soc/stm/stm32_i2s.c b/sound/soc/stm/stm32_i2s.c
index 9526342..97d5e99 100644
--- a/sound/soc/stm/stm32_i2s.c
+++ b/sound/soc/stm/stm32_i2s.c
@@ -838,8 +838,9 @@ static int stm32_i2s_parse_dt(struct platform_device *pdev,
 	/* Get irqs */
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
-		dev_err(&pdev->dev, "no irq for node %s\n", pdev->name);
-		return -ENOENT;
+		if (irq != -EPROBE_DEFER)
+			dev_err(&pdev->dev, "no irq for node %s\n", pdev->name);
+		return irq;
 	}
 
 	ret = devm_request_irq(&pdev->dev, irq, stm32_i2s_isr, IRQF_ONESHOT,
-- 
2.7.4