Re: [PATCH v4 2/2] i2c: busses: convert to devm_platform_request_irq()

From: Dejin Zheng
Date: Wed Jul 22 2020 - 10:05:38 EST


On Fri, Jul 17, 2020 at 09:11:52PM +0200, Heiko StÃbner wrote:
> Am Freitag, 17. Juli 2020, 18:11:58 CEST schrieb Dejin Zheng:
> > Use devm_platform_request_irq() to simplify code, and it contains
> > platform_get_irq() and devm_request_irq().
> >
> > Cc: Michal Simek <michal.simek@xxxxxxxxxx>
> > Cc: Wolfram Sang <wsa@xxxxxxxxxxxxx>
> > Signed-off-by: Dejin Zheng <zhengdejin5@xxxxxxxxx>
> > Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
> > Acked-by: Michal Simek <michal.simek@xxxxxxxxxx>
>
>
> Rockchip part (i2c-rk3x):
> Reviewed-by: Heiko Stuebner <heiko@xxxxxxxxx>
>
Heiko, Thanks a lot.

BR,
Dejin
> > diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
> > index 8e3cc85d1921..1f0ac69c5774 100644
> > --- a/drivers/i2c/busses/i2c-rk3x.c
> > +++ b/drivers/i2c/busses/i2c-rk3x.c
> > @@ -1227,7 +1227,6 @@ static int rk3x_i2c_probe(struct platform_device *pdev)
> > int ret = 0;
> > int bus_nr;
> > u32 value;
> > - int irq;
> > unsigned long clk_rate;
> >
> > i2c = devm_kzalloc(&pdev->dev, sizeof(struct rk3x_i2c), GFP_KERNEL);
> > @@ -1289,17 +1288,10 @@ static int rk3x_i2c_probe(struct platform_device *pdev)
> > }
> > }
> >
> > - /* IRQ setup */
> > - irq = platform_get_irq(pdev, 0);
> > - if (irq < 0)
> > - return irq;
> > -
> > - ret = devm_request_irq(&pdev->dev, irq, rk3x_i2c_irq,
> > - 0, dev_name(&pdev->dev), i2c);
> > - if (ret < 0) {
> > - dev_err(&pdev->dev, "cannot request IRQ\n");
> > + ret = devm_platform_request_irq(pdev, 0, NULL, rk3x_i2c_irq,
> > + 0, dev_name(&pdev->dev), i2c);
> > + if (ret < 0)
> > return ret;
> > - }
> >
> > platform_set_drvdata(pdev, i2c);
> >
>
>
>
>