From: Julien Grall <julien.grall@arm.com>
To: Dirk Behme <dirk.behme@de.bosch.com>,
Michael Turquette <mturquette@baylibre.com>,
linux-arm-kernel@lists.infradead.org,
Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org
Cc: xen-devel@lists.xenproject.org,
Stefano Stabellini <sstabellini@kernel.org>,
Stephen Boyd <sboyd@codeaurora.org>,
linux-clk@vger.kernel.org
Subject: Re: [PATCH v2] xen/arm: register clocks used by the hypervisor
Date: Fri, 8 Jul 2016 10:35:55 +0100 [thread overview]
Message-ID: <577F73FB.1070302__15961.5554068752$1467970628$gmane$org@arm.com> (raw)
In-Reply-To: <20733b68-9529-bdb9-2a7d-576c8193f15c@de.bosch.com>
On 08/07/16 07:48, Dirk Behme wrote:
>>> #include <linux/cpuidle.h>
>>> #include <linux/cpufreq.h>
>>> #include <linux/cpu.h>
>>> @@ -444,6 +445,52 @@ static int __init xen_pm_init(void)
>>> }
>>> late_initcall(xen_pm_init);
>>>
>>> +/*
>>> + * Check if we want to register some clocks, that they
>>> + * are not freed because unused by clk_disable_unused().
>>> + * E.g. the serial console clock.
>>> + */
>>> +static int __init xen_arm_register_clks(void)
>>> +{
>>> + struct clk *clk;
>>> + struct device_node *xen_node;
>>> + unsigned int i, count;
>>> + int ret = 0;
>>> +
>>> + xen_node = of_find_compatible_node(NULL, NULL, "xen,xen");
>>> + if (!xen_node) {
>>> + pr_err("Xen support was detected before, but it has
>>> disappeared\n");
>>> + return -EINVAL;
>>> + }
>>> +
>>> + count = of_clk_get_parent_count(xen_node);
>>> + if (!count)
>>> + goto out;
>>> +
>>> + for (i = 0; i < count; i++) {
>>> + clk = of_clk_get(xen_node, i);
>>
>> Is there a struct device we can use here?
>
>
> It doesn't look so. Julien?
We don't have a struct device. Maybe we can create a dummy one if it
simplifies the logic?
--
Julien Grall
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Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
next prev parent reply other threads:[~2016-07-08 9:36 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1467282752-14053-1-git-send-email-dirk.behme@de.bosch.com>
2016-06-30 14:21 ` [PATCH v2] xen/arm: register clocks used by the hypervisor Mark Rutland
[not found] ` <20160630142136.GE20363@leverpostej>
2016-06-30 14:56 ` Dirk Behme
[not found] ` <57753328.9060300@gmail.com>
2016-06-30 15:18 ` Mark Rutland
2016-06-30 15:33 ` Julien Grall
2016-07-05 13:53 ` Stefano Stabellini
[not found] ` <alpine.DEB.2.10.1607051449370.2575@sstabellini-ThinkPad-X260>
2016-07-05 13:54 ` Julien Grall
[not found] ` <577BBC1A.8020209@arm.com>
2016-07-05 14:02 ` Julien Grall
2016-07-05 14:04 ` Stefano Stabellini
[not found] ` <alpine.DEB.2.10.1607051456410.2575@sstabellini-ThinkPad-X260>
2016-07-05 14:08 ` Julien Grall
[not found] ` <577BBF69.8010809@arm.com>
2016-07-05 14:37 ` Stefano Stabellini
2016-07-06 1:34 ` Michael Turquette
[not found] ` <146776885213.35356.11565744417822933094@resonance>
2016-07-06 13:10 ` Julien Grall
[not found] ` <577D035C.7090504@arm.com>
2016-07-06 13:16 ` Stefano Stabellini
[not found] ` <alpine.DEB.2.10.1607061412370.26575@sstabellini-ThinkPad-X260>
2016-07-06 13:26 ` Julien Grall
2016-07-06 13:48 ` Mark Rutland
2016-07-06 20:42 ` Michael Turquette
[not found] ` <146783774807.35356.6362595927321996311@resonance>
2016-07-07 7:32 ` Dirk Behme
[not found] ` <dad950db-4c02-e5a2-0ce9-682a40cd12d7@de.bosch.com>
2016-07-08 2:50 ` Michael Turquette
[not found] ` <146794625655.73491.13497001485518368066@resonance>
2016-07-08 5:51 ` Dirk Behme
[not found] ` <373bf006-1a5e-0b2b-278d-d5ec0d8737fd@de.bosch.com>
2016-07-08 9:21 ` Julien Grall
2016-07-08 6:48 ` Dirk Behme
[not found] ` <20733b68-9529-bdb9-2a7d-576c8193f15c@de.bosch.com>
2016-07-08 9:35 ` Julien Grall [this message]
[not found] <1467701423-31138-1-git-send-email-dirk.behme@de.bosch.com>
2016-07-05 10:39 ` Mark Rutland
[not found] ` <20160705103917.GC20478@leverpostej>
2016-07-05 10:45 ` Dirk Behme
[not found] ` <b2431af6-f415-41db-5651-8cb8d3b08822@de.bosch.com>
2016-07-05 11:07 ` Mark Rutland
[not found] ` <20160705110736.GD20478@leverpostej>
2016-07-06 23:38 ` Michael Turquette
2016-07-05 6:50 Dirk Behme
-- strict thread matches above, loose matches on Subject: below --
2016-06-30 10:32 Dirk Behme
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