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SubjectRe: [PATCH v4 2/2] i2c: busses: convert to devm_platform_request_irq()
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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@xilinx.com>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
> Acked-by: Linus Walleij <linus.walleij@linaro.org>
> Acked-by: Michal Simek <michal.simek@xilinx.com>


Rockchip part (i2c-rk3x):
Reviewed-by: Heiko Stuebner <heiko@sntech.de>

> 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);
>




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