[PATCH RESEND] i2c: at91: Use dev_err_probe() instead of dev_err()
Nicolas Ferre
nicolas.ferre at microchip.com
Mon Aug 28 01:03:14 PDT 2023
On 25/08/2023 at 16:32, Yann Sionneau wrote:
> Change
> if (IS_ERR(x)) { dev_err(...); return PTR_ERR(x); }
> into
> return dev_err_probe()
>
> Also, return the correct error instead of hardcoding -ENODEV
> This change has also the advantage of handling the -EPROBE_DEFER situation.
Is it found using a tool like Coccinelle or you just ran into it and
figured out it could be good to change?
Regards,
Nicolas
> Signed-off-by: Yann Sionneau <yann at sionneau.net>
> ---
> drivers/i2c/busses/i2c-at91-core.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-at91-core.c b/drivers/i2c/busses/i2c-at91-core.c
> index 05ad3bc3578a..b7bc17b0e5f0 100644
> --- a/drivers/i2c/busses/i2c-at91-core.c
> +++ b/drivers/i2c/busses/i2c-at91-core.c
> @@ -227,10 +227,9 @@ static int at91_twi_probe(struct platform_device *pdev)
> platform_set_drvdata(pdev, dev);
>
> dev->clk = devm_clk_get(dev->dev, NULL);
> - if (IS_ERR(dev->clk)) {
> - dev_err(dev->dev, "no clock defined\n");
> - return -ENODEV;
> - }
> + if (IS_ERR(dev->clk))
> + return dev_err_probe(dev->dev, PTR_ERR(dev->clk), "no clock defined\n");
> +
> clk_prepare_enable(dev->clk);
>
> snprintf(dev->adapter.name, sizeof(dev->adapter.name), "AT91");
> --
> 2.34.1
>
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