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From: Russell King - ARM Linux <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>
To: Leo Yan <leo.yan-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: Wei Xu <xuwei5-C8/M+/jPZTeaMJb+Lgu22Q@public.gmane.org>,
	Dan Zhao <dan.zhao-C8/M+/jPZTeaMJb+Lgu22Q@public.gmane.org>,
	zhenwei.wang-C8/M+/jPZTeaMJb+Lgu22Q@public.gmane.org,
	Haojian Zhuang
	<haojian.zhuang-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Bintian Wang
	<bintian.wang-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>,
	mturquette-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 1/4] clk: hisi: add API for allocation clk data struct
Date: Thu, 26 Mar 2015 14:18:34 +0000	[thread overview]
Message-ID: <20150326141834.GI8656@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1427368419-22222-2-git-send-email-leo.yan-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>

On Thu, Mar 26, 2015 at 07:13:36PM +0800, Leo Yan wrote:
> +struct hisi_clock_data __init *hisi_clk_init(struct device_node *np,
> +					     int nr_clks)
> +{
> +	struct hisi_clock_data *clk_data;
> +	void __iomem *base;
> +
> +	if (np) {
> +		base = of_iomap(np, 0);
> +		if (!base) {
> +			pr_err("failed to map Hisilicon clock registers\n");
> +			return NULL;
> +		}
> +		printk("%s: base %p\n", __func__, base);

Did you leave your debugging in?

> +	} else {
> +		pr_err("failed to find Hisilicon clock node in DTS\n");
> +		return NULL;
> +	}

I know you're mostly only moving this code, but it would be far better if
it were written:

	if (!np) {
		pr_err("failed to find Hisilicon clock node in DTS\n");
		return NULL;
	}

	base = of_iomap(np, 0);
	if (!base) {
		pr_err("failed to map Hisilicon clock registers\n");
		return NULL;
	}

Possibly do this first as a separate patch, and then move the code.

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  parent reply	other threads:[~2015-03-26 14:18 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-26 11:13 [PATCH 0/4] clk: hisilicon: support stub clock Leo Yan
     [not found] ` <1427368419-22222-1-git-send-email-leo.yan-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-03-26 11:13   ` [PATCH 1/4] clk: hisi: add API for allocation clk data struct Leo Yan
     [not found]     ` <1427368419-22222-2-git-send-email-leo.yan-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-03-26 14:18       ` Russell King - ARM Linux [this message]
     [not found]         ` <20150326141834.GI8656-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2015-03-27  1:48           ` Leo Yan
2015-03-26 11:13   ` [PATCH 2/4] dt-bindings: clk: hisilicon: Document stub clock driver Leo Yan
2015-03-26 11:13   ` [PATCH 3/4] clk: hisi: add stub clk driver Leo Yan
     [not found]     ` <1427368419-22222-4-git-send-email-leo.yan-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-03-26 14:22       ` Russell King - ARM Linux
     [not found]         ` <20150326142226.GJ8656-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2015-03-27  2:08           ` Leo Yan
2015-03-26 11:13   ` [PATCH 4/4] clk: hisi: add stub clock register function Leo Yan

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