linux-kernel - Re: [PATCH 17/21] clk: Probe clk providers on demand

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Message-ID: <20150528061643.22384.27268@quantum>
Date:	Wed, 27 May 2015 23:16:43 -0700
From:	Michael Turquette <mturquette@...aro.org>
To:	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	linux-arm-kernel@...ts.infradead.org
Cc:	Stéphane Marchesin <stephane.marchesin@...il.com>,
	"Thierry Reding" <thierry.reding@...il.com>,
	"Dmitry Torokhov" <dmitry.torokhov@...il.com>,
	"Alexander Holler" <holler@...oftware.de>,
	"Grant Likely" <grant.likely@...aro.org>,
	"Rob Herring" <robh+dt@...nel.org>,
	"Mark Rutland" <mark.rutland@....com>,
	"Tomeu Vizoso" <tomeu.vizoso@...labora.com>,
	"Stephen Boyd" <sboyd@...eaurora.org>, linux-clk@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 17/21] clk: Probe clk providers on demand

Quoting Tomeu Vizoso (2015-05-25 07:53:21)
> When looking up a clk through its DT node, ensure that the corresponding
> device has been registered.
> 
> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>

Ack.

Regards,
Mike

> ---
>  drivers/clk/clk.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
> index 5b0f418..f9e8a8d 100644
> --- a/drivers/clk/clk.c
> +++ b/drivers/clk/clk.c
> @@ -18,6 +18,7 @@
>  #include <linux/list.h>
>  #include <linux/slab.h>
>  #include <linux/of.h>
> +#include <linux/of_platform.h>
>  #include <linux/device.h>
>  #include <linux/init.h>
>  #include <linux/sched.h>
> @@ -2985,6 +2986,8 @@ struct clk *__of_clk_get_from_provider(struct of_phandle_args *clkspec,
>         if (!clkspec)
>                 return ERR_PTR(-EINVAL);
>  
> +       of_platform_device_ensure(clkspec->np);
> +
>         /* Check if we have such a provider in our array */
>         mutex_lock(&of_clk_mutex);
>         list_for_each_entry(provider, &of_clk_providers, link) {
> -- 
> 2.4.1
> 
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