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Message-ID: <CAMRc=MdWn_XKZZp9cC056xi8O=ghrZnuX-GAWasWukzDjnM3ow@mail.gmail.com>
Date: Mon, 6 Mar 2023 10:27:43 +0100
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Dongliang Mu <dzm91@...t.edu.cn>
Cc: Sekhar Nori <nsekhar@...com>, linux-arm-kernel@...ts.infradead.org,
linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers: i2c: remove dead code in davinci_i2c_probe
On Mon, Mar 6, 2023 at 3:48 AM Dongliang Mu <dzm91@...t.edu.cn> wrote:
>
> From the comment of platform_get_irq, it only returns non-zero IRQ
> number and negative error number, other than zero.
>
> Fix this by removing the if condition.
>
> Signed-off-by: Dongliang Mu <dzm91@...t.edu.cn>
> ---
> drivers/i2c/busses/i2c-davinci.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
> index c836cf884185..9750310f2c96 100644
> --- a/drivers/i2c/busses/i2c-davinci.c
> +++ b/drivers/i2c/busses/i2c-davinci.c
> @@ -764,11 +764,8 @@ static int davinci_i2c_probe(struct platform_device *pdev)
> int r, irq;
>
> irq = platform_get_irq(pdev, 0);
> - if (irq <= 0) {
> - if (!irq)
> - irq = -ENXIO;
> + if (irq < 0)
> return dev_err_probe(&pdev->dev, irq, "can't get irq resource\n");
> - }
>
> dev = devm_kzalloc(&pdev->dev, sizeof(struct davinci_i2c_dev),
> GFP_KERNEL);
> --
> 2.39.2
>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
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