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Commit d009f519 authored by Sergey Shtylyov's avatar Sergey Shtylyov Committed by Greg Kroah-Hartman
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i2c: mt65xx: fix IRQ check 



[ 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: ce38815d ("I2C: mediatek: Add driver for MediaTek I2C controller")
Signed-off-by: default avatarSergey Shtylyov <s.shtylyov@omprussia.ru>
Reviewed-by: default avatarQii Wang <qii.wang@mediatek.com>
Signed-off-by: default avatarWolfram Sang <wsa@kernel.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent bea65549

drivers/i2c/busses/i2c-mt65xx.c

+1 −1
Original line number Diff line number Diff line
@@ -804,7 +804,7 @@ 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);