From: Mark Rutland <mark.rutland@arm.com>
To: Alexander Shiyan <shc_work@mail.ru>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Samuel Ortiz <sameo@linux.intel.com>,
Lee Jones <lee.jones@linaro.org>,
"grant.likely@linaro.org" <grant.likely@linaro.org>,
"rob.herring@calxeda.com" <rob.herring@calxeda.com>
Subject: Re: [PATCH] mfd: syscon: Allow to using subdevices
Date: Thu, 14 Nov 2013 14:46:00 +0000 [thread overview]
Message-ID: <20131114144559.GC28328@e106331-lin.cambridge.arm.com> (raw)
In-Reply-To: <1384433523-30602-1-git-send-email-shc_work@mail.ru>
On Thu, Nov 14, 2013 at 12:52:03PM +0000, Alexander Shiyan wrote:
> This patch adds support for using subdevices within syscon node.
> Primary usage of this is describe all devices with same memory
> region in one container.
I think if you need to do this, you should not be using syscon. What
exactly is your use-case?
I don't like the idea of treating syscon like a bus or container in this
fashion.
Mark.
>
> Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
> ---
> drivers/mfd/syscon.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c
> index 71841f9..6e9244a 100644
> --- a/drivers/mfd/syscon.c
> +++ b/drivers/mfd/syscon.c
> @@ -152,6 +152,9 @@ static int syscon_probe(struct platform_device *pdev)
>
> platform_set_drvdata(pdev, syscon);
>
> + if (of_platform_populate(dev->of_node, NULL, NULL, dev))
> + dev_warn(dev, "Fail to create subdevices\n");
> +
> dev_info(dev, "regmap %pR registered\n", res);
>
> return 0;
> --
> 1.8.1.5
>
> --
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>
next prev parent reply other threads:[~2013-11-14 14:46 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-14 12:52 [PATCH] mfd: syscon: Allow to using subdevices Alexander Shiyan
2013-11-14 14:44 ` Lee Jones
2013-11-14 14:46 ` Mark Rutland [this message]
[not found] ` <20131114144559.GC28328-NuALmloUBlrZROr8t4l/smS4ubULX0JqMm0uRHvK7Nw@public.gmane.org>
2013-11-14 14:58 ` Alexander Shiyan
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