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[5.14,224/334] i2c: synquacer: fix deferred probing

Message ID 20210913131120.993498057@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Sept. 13, 2021, 1:14 p.m. UTC 
From: Sergey Shtylyov <s.shtylyov@omp.ru>

[ Upstream commit 8d744da241b81f4211f4813b0d3c1981326fa9ca ]

The driver overrides the error codes returned by platform_get_irq() to
-ENODEV, so if it returns -EPROBE_DEFER, the driver will fail the probe
permanently instead of the deferred probing. Switch to propagating the
error codes upstream.

Fixes: 0d676a6c4390 ("i2c: add support for Socionext SynQuacer I2C controller")
Signed-off-by: Sergey Shtylyov <s.shtylyov@omprussia.ru>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/i2c/busses/i2c-synquacer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/i2c/busses/i2c-synquacer.c b/drivers/i2c/busses/i2c-synquacer.c
index 31be1811d5e6..e4026c5416b1 100644
--- a/drivers/i2c/busses/i2c-synquacer.c
+++ b/drivers/i2c/busses/i2c-synquacer.c
@@ -578,7 +578,7 @@  static int synquacer_i2c_probe(struct platform_device *pdev)
 
 	i2c->irq = platform_get_irq(pdev, 0);
 	if (i2c->irq < 0)
-		return -ENODEV;
+		return i2c->irq;
 
 	ret = devm_request_irq(&pdev->dev, i2c->irq, synquacer_i2c_isr,
 			       0, dev_name(&pdev->dev), i2c);