[PATCH 5.13 231/300] i2c: mt65xx: fix IRQ check
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-09-13 14:15:31
Also in:
lkml
Subsystem:
i2c subsystem, i2c subsystem host drivers, mediatek i2c controller driver, the rest · Maintainers:
Andi Shyti, Qii Wang, Linus Torvalds
From: Sergey Shtylyov <redacted>
[ Upstream commit 58fb7c643d346e2364404554f531cfa6a1a3917c ]
Iff platform_get_irq() returns 0, the driver's probe() method will return 0
early (as if the method's call was successful). Let's consider IRQ0 valid
for simplicity -- devm_request_irq() can always override that decision...
Fixes: ce38815d39ea ("I2C: mediatek: Add driver for MediaTek I2C controller")
Signed-off-by: Sergey Shtylyov <redacted>
Reviewed-by: Qii Wang <qii.wang@mediatek.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/i2c/busses/i2c-mt65xx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index 4e9fb6b44436..d90d80d046bd 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c@@ -1211,7 +1211,7 @@ static int mtk_i2c_probe(struct platform_device *pdev) return PTR_ERR(i2c->pdmabase); irq = platform_get_irq(pdev, 0); - if (irq <= 0) + if (irq < 0) return irq; init_completion(&i2c->msg_complete);
--
2.30.2