[PATCH v2 2/5] i2c: mt65xx: fix IRQ check

Sergey Shtylyov
2021-07-04T14:38:49Z

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>

---
drivers/i2c/busses/i2c-mt65xx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux/drivers/i2c/busses/i2c-mt65xx.c
===================================================================
--- linux.orig/drivers/i2c/busses/i2c-mt65xx.c
+++ linux/drivers/i2c/busses/i2c-mt65xx.c
@@ -1211,7 +1211,7 @@ static int mtk_i2c_probe(struct platform
return PTR_ERR(i2c->pdmabase);

irq = platform_get_irq(pdev, 0);
- if (irq <= 0)
+ if (irq < 0)
return irq;

init_completion(&i2c->msg_complete);