From 58fb7c643d346e2364404554f531cfa6a1a3917c Mon Sep 17 00:00:00 2001
From: Sergey Shtylyov <s.shtylyov@omp.ru>
Date: Sun, 4 Jul 2021 17:38:45 +0300
Subject: [PATCH] i2c: mt65xx: fix IRQ check
Git-commit: 58fb7c643d346e2364404554f531cfa6a1a3917c
Patch-mainline: v5.15-rc1
References: git-fixes
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 <s.shtylyov@omprussia.ru>
Reviewed-by: Qii Wang <qii.wang@mediatek.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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 4ca716e09149..477480d1de6b 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);
--
2.26.2