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Message-Id: <20191127202925.272165575@linuxfoundation.org>
Date:   Wed, 27 Nov 2019 21:30:19 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.4 028/132] spi: sh-msiof: fix deferred probing

From: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>

[ Upstream commit f34c6e6257aa477cdfe7e9bbbecd3c5648ecda69 ]

Since commit 9ec36cafe43b ("of/irq: do irq resolution in platform_get_irq")
platform_get_irq() can return -EPROBE_DEFER. However, the driver overrides
an error returned by that function with -ENOENT which breaks the deferred
probing. Propagate upstream an error code returned by platform_get_irq()
and remove the bogus "platform" from the error message, while at it...

Fixes: 9ec36cafe43b ("of/irq: do irq resolution in platform_get_irq")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/spi/spi-sh-msiof.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
index 03b566848da63..b4f136d04a2b1 100644
--- a/drivers/spi/spi-sh-msiof.c
+++ b/drivers/spi/spi-sh-msiof.c
@@ -1198,8 +1198,8 @@ static int sh_msiof_spi_probe(struct platform_device *pdev)
 
 	i = platform_get_irq(pdev, 0);
 	if (i < 0) {
-		dev_err(&pdev->dev, "cannot get platform IRQ\n");
-		ret = -ENOENT;
+		dev_err(&pdev->dev, "cannot get IRQ\n");
+		ret = i;
 		goto err1;
 	}
 
-- 
2.20.1



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