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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Yinbo Zhu <zhuyinbo@loongson.cn>,
	Linus Walleij <linus.walleij@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	zhanghongchen <zhanghongchen@loongson.cn>
Subject: Re: [PATCH v3 1/2] pinctrl: pinctrl-loongson2: add pinctrl driver support
Date: Thu, 27 Oct 2022 08:50:34 -0400	[thread overview]
Message-ID: <bfeefd8a-4ffa-70a3-b0df-48bfb8cd7124@linaro.org> (raw)
In-Reply-To: <542e661c-5aa3-a855-889f-6deb8a74584f@loongson.cn>

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


      reply	other threads:[~2022-10-27 12:50 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-24  1:42 Yinbo Zhu
2022-10-24  1:42 ` [PATCH v3 2/2] dt-bindings: pinctrl: add loongson2 pinctrl Yinbo Zhu
2022-10-25 16:06   ` Krzysztof Kozlowski
2022-10-25 16:07 ` [PATCH v3 1/2] pinctrl: pinctrl-loongson2: add pinctrl driver support Krzysztof Kozlowski
2022-10-26  6:40   ` Yinbo Zhu
2022-10-26 14:11     ` Krzysztof Kozlowski
2022-10-27  8:20       ` Yinbo Zhu
2022-10-27 12:50         ` Krzysztof Kozlowski [this message]

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