Re: [PATCH 1/3] watchdog: cadence: Simplify with dev_err_probe()

From: Guenter Roeck
Date: Tue Sep 01 2020 - 16:18:25 EST


On Tue, Sep 01, 2020 at 05:31:39PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe(). Less code and the error value gets printed.
>
> Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>

Hmm, I had replied to this but I don't see it on patchwork.
Trying again.

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

Guenter

> ---
> drivers/watchdog/cadence_wdt.c | 9 +++------
> 1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/watchdog/cadence_wdt.c b/drivers/watchdog/cadence_wdt.c
> index 672b184da875..bc99e9164930 100644
> --- a/drivers/watchdog/cadence_wdt.c
> +++ b/drivers/watchdog/cadence_wdt.c
> @@ -334,12 +334,9 @@ static int cdns_wdt_probe(struct platform_device *pdev)
> watchdog_set_drvdata(cdns_wdt_device, wdt);
>
> wdt->clk = devm_clk_get(dev, NULL);
> - if (IS_ERR(wdt->clk)) {
> - ret = PTR_ERR(wdt->clk);
> - if (ret != -EPROBE_DEFER)
> - dev_err(dev, "input clock not found\n");
> - return ret;
> - }
> + if (IS_ERR(wdt->clk))
> + return dev_err_probe(dev, PTR_ERR(wdt->clk),
> + "input clock not found\n");
>
> ret = clk_prepare_enable(wdt->clk);
> if (ret) {
> --
> 2.17.1
>