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

Qii Wang qii.wang at mediatek.com
Thu Aug 19 18:46:21 PDT 2021


On Tue, 2021-08-17 at 22:09 +0200, Wolfram Sang wrote:
> On Sun, Jul 04, 2021 at 05:38:45PM +0300, Sergey Shtylyov wrote:
> > 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 at omprussia.ru>
> 
> Qii Wang, do you like this patch?
> 

It is ok.
Reviewed-by: Qii Wang <qii.wang at mediatek.com>

Thanks

> > 
> > ---
> >  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);



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