linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: lorenzo.pieralisi@arm.com (Lorenzo Pieralisi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v7 8/8] drivers: cpuidle: initialize Exynos driver through DT
Date: Fri, 15 Aug 2014 22:52:01 +0100	[thread overview]
Message-ID: <20140815215201.GA15590@red-moon> (raw)
In-Reply-To: <20140815214513.GB46224@ilina-mac.local>

On Fri, Aug 15, 2014 at 10:45:13PM +0100, Lina Iyer wrote:
> On Fri, Aug 15, 2014 at 10:40:34PM +0100, Lorenzo Pieralisi wrote:
> >On Fri, Aug 15, 2014 at 10:12:33PM +0100, Lina Iyer wrote:
> >
> >[...]
> >
> >> > static int exynos_cpuidle_probe(struct platform_device *pdev)
> >> > {
> >> >-	int ret;
> >> >+	int ret, i;
> >> >+	struct cpuidle_driver *drv = &exynos_idle_driver;
> >> >
> >> > 	exynos_enter_aftr = (void *)(pdev->dev.platform_data);
> >> >
> >> >-	ret = cpuidle_register(&exynos_idle_driver, NULL);
> >> >+	drv->cpumask = kzalloc(cpumask_size(), GFP_KERNEL);
> >> >+	if (!drv->cpumask)
> >> >+		return -ENOMEM;
> >> drv->cpumask would not have any cpu set. I dont see it being modified
> >> elsewhere.
> >
> >Gah, I should have missed that while refactoring, I can just compile test this
> >patch so it went unnoticed. Fixed (by copying the possible mask to
> >drv->cpumask).
> >
> >Thank you !
> >Lorenzo
> Noticed that in the big.little exynos driver  as well.

If you mean drivers/cpuidle-big_little.c, there masks are initialized
before parsing DT, so code is correct and I could test that.

Thanks,
Lorenzo

  reply	other threads:[~2014-08-15 21:52 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-13 15:51 [PATCH v7 0/8] ARM generic idle states Lorenzo Pieralisi
2014-08-13 15:52 ` [PATCH v7 1/8] arm64: kernel: refactor the CPU suspend API for retention states Lorenzo Pieralisi
2014-08-18  7:47   ` Hanjun Guo
2014-08-18 14:20   ` Catalin Marinas
2014-08-13 15:52 ` [PATCH v7 2/8] Documentation: arm: define DT idle states bindings Lorenzo Pieralisi
2014-08-13 19:25   ` Lina Iyer
2014-08-13 22:11     ` Lorenzo Pieralisi
2014-08-15 17:20   ` Lina Iyer
2014-08-15 17:51     ` Lorenzo Pieralisi
2014-08-18 14:20   ` Catalin Marinas
2014-08-13 15:52 ` [PATCH v7 3/8] drivers: cpuidle: implement DT based idle states infrastructure Lorenzo Pieralisi
2014-08-13 16:31   ` Nicolas Pitre
2014-08-13 17:04     ` Lorenzo Pieralisi
2014-08-13 17:29       ` Nicolas Pitre
2014-08-14 11:29         ` Lorenzo Pieralisi
2014-08-14 15:47           ` Nicolas Pitre
2014-08-14 16:02             ` Lorenzo Pieralisi
2014-08-18 14:21           ` Catalin Marinas
2014-08-13 15:52 ` [PATCH v7 4/8] arm64: kernel: introduce cpu_init_idle CPU operation Lorenzo Pieralisi
2014-08-18 14:21   ` Catalin Marinas
2014-08-13 15:52 ` [PATCH v7 5/8] arm64: add PSCI CPU_SUSPEND based cpu_suspend support Lorenzo Pieralisi
2014-08-18 14:21   ` Catalin Marinas
2014-08-13 15:52 ` [PATCH v7 6/8] drivers: cpuidle: CPU idle ARM64 driver Lorenzo Pieralisi
2014-08-18 14:21   ` Catalin Marinas
2014-08-18 22:30     ` Lorenzo Pieralisi
2014-08-18 14:21   ` Catalin Marinas
2014-08-18 22:25     ` Lorenzo Pieralisi
2014-08-13 15:52 ` [PATCH v7 7/8] drivers: cpuidle: initialize big.LITTLE driver through DT Lorenzo Pieralisi
2014-08-18 14:21   ` Catalin Marinas
2014-08-13 15:52 ` [PATCH v7 8/8] drivers: cpuidle: initialize Exynos " Lorenzo Pieralisi
2014-08-15 21:12   ` Lina Iyer
2014-08-15 21:40     ` Lorenzo Pieralisi
2014-08-15 21:45       ` Lina Iyer
2014-08-15 21:52         ` Lorenzo Pieralisi [this message]
2014-08-18 14:22   ` Catalin Marinas

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20140815215201.GA15590@red-moon \
    --to=lorenzo.pieralisi@arm.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).