[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <bfeefd8a-4ffa-70a3-b0df-48bfb8cd7124@linaro.org>
Date: Thu, 27 Oct 2022 08:50:34 -0400
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Yinbo Zhu <zhuyinbo@...ngson.cn>,
Linus Walleij <linus.walleij@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
zhanghongchen <zhanghongchen@...ngson.cn>
Subject: Re: [PATCH v3 1/2] pinctrl: pinctrl-loongson2: add pinctrl driver
support
On 27/10/2022 04:20, Yinbo Zhu wrote:
> You can find these code has a change in this code conext. I have a
> feedback on this code. but I mistakenly thought helper is dev_err_probe.
> res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> pctrl->reg_base = devm_ioremap_resource(dev, res);
> if (IS_ERR(pctrl->reg_base))
> - return PTR_ERR(pctrl->reg_base);
> + return dev_err_probe(pctrl->dev, PTR_ERR(pctrl->reg_base),
> + "unable to map I/O memory");
>
> raw_spin_lock_init(&pctrl->lock);
>
>>
>> There is a helper combining two calls into one. Grep for it in headers
>> and use it.
>>
> You said is that use "devm_platform_get_and_ioremap_resource" as a
> helper? sorry, I will do it.
I believe the helper is devm_platform_ioremap_resource(), but I never
remember the names so just check in the sources.
Best regards,
Krzysztof
Powered by blists - more mailing lists