linux-kernel - Re: [PATCH v4 6/8] wlcore: sdio: add wilink clock providers

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Date:	Tue, 30 Jul 2013 15:35:35 -0700
From:	Mike Turquette <mturquette@...aro.org>
To:	Luciano Coelho <coelho@...com>, <linux-wireless@...r.kernel.org>,
	<tony@...mide.com>, <nsekhar@...com>
Cc:	<coelho@...com>, <luca@...lho.fi>, <mark.rutland@....com>,
	<balbi@...com>, <grant.likely@...aro.org>,
	<rob.herring@...xeda.com>, <devicetree-discuss@...ts.ozlabs.org>,
	<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <nm@...com>,
	<martinez.javier@...il.com>
Subject: Re: [PATCH v4 6/8] wlcore: sdio: add wilink clock providers

Quoting Luciano Coelho (2013-07-30 06:04:34)
> +static const struct of_device_id wlcore_sdio_of_clk_match_table[] = {
> +       { .compatible = "ti,wilink-clock" },
> +};
> +
>  static struct wl12xx_platform_data *wlcore_get_pdata_from_of(struct device *dev)
>  {
>         struct wl12xx_platform_data *pdata;
>         struct device_node *np = dev->of_node;
> +       struct device_node *clock_node;
>  
>         if (!np) {
>                 np = of_find_matching_node(NULL, dev->driver->of_match_table);
> @@ -241,6 +247,9 @@ static struct wl12xx_platform_data *wlcore_get_pdata_from_of(struct device *dev)
>                 goto out_free;
>         }
>  
> +       for_each_matching_node(clock_node, wlcore_sdio_of_clk_match_table)
> +               of_fixed_clk_setup(clock_node);

Hi Luciano,

Any reason for establishing your own compatible string if you just plan
to use the fixed rate clock? You could just use "fixed-clock" compatible
in your DTS.

I will be posting patches this week which makes the fixed-rate clock a
proper driver and matches that compatible string to instantiate those
clocks. That means that your driver could probably remove the clock
setup code completely.

Regards,
Mike

> +
>         goto out;
>  
>  out_free:
> -- 
> 1.8.3.2
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