linux-kernel - [PATCH] uio: uio_pdrv_genirq: Do not log an error when deferring probe routine.

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Message-Id: <20200108001648.2949-1-oscar.ravadilla@alliedtelesis.co.nz>
Date:   Wed,  8 Jan 2020 13:16:48 +1300
From:   Oscar Ravadilla <oscar.ravadilla@...iedtelesis.co.nz>
To:     gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org,
        Chris Packham <chris.packham@...iedtelesis.co.nz>,
        Oscar Ravadilla <oscar.ravadilla@...iedtelesis.co.nz>
Subject: [PATCH] uio: uio_pdrv_genirq: Do not log an error when deferring probe routine.

When deferring the probe routine just return without displaying an
error.

Signed-off-by: Oscar Ravadilla <oscar.ravadilla@...iedtelesis.co.nz>
---
 drivers/uio/uio_pdrv_genirq.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/uio/uio_pdrv_genirq.c b/drivers/uio/uio_pdrv_genirq.c
index 1303b165055b..fc25ce90da3b 100644
--- a/drivers/uio/uio_pdrv_genirq.c
+++ b/drivers/uio/uio_pdrv_genirq.c
@@ -156,6 +156,8 @@ static int uio_pdrv_genirq_probe(struct platform_device *pdev)
 		uioinfo->irq = ret;
 		if (ret == -ENXIO && pdev->dev.of_node)
 			uioinfo->irq = UIO_IRQ_NONE;
+		else if (ret == -EPROBE_DEFER)
+			return ret;
 		else if (ret < 0) {
 			dev_err(&pdev->dev, "failed to get IRQ\n");
 			return ret;
-- 
2.23.0