From: leo.yan@linaro.org (Leo Yan)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/2] arm64: dts: hi6220: add resets property into dwmmc nodes
Date: Fri, 28 Oct 2016 18:19:19 +0800 [thread overview]
Message-ID: <20161028101919.GA25564@leoy-linaro> (raw)
In-Reply-To: <95e22336-0465-f1e1-71b8-548d0e6ee8b7@samsung.com>
On Fri, Oct 28, 2016 at 06:54:58PM +0900, Jaehoon Chung wrote:
[...]
> >>> Could you share the log? Is there any log about failure?
> >>
> >> Sure, please see below log:
> >
> > It's related with -EPROBE_DEFER..I'm not sure but if CONFIG_RESET_CONTROLLER is enabled, it's searching for reset controller.
> > Maybe hi6220 has handled the reset controller(?)...
> >
> > I'm checking devm_reset_control_xxx...It's possible to occur the other boards which enabled RESET_CONTROLLER..
>
> Could you check the below thing..
>
> /* find reset controller when exist */
> - pdata->rstc = devm_reset_control_get_optional(dev, NULL);
> + pdata->rstc = devm_reset_control_get_optional(dev, "dwmci-reset");
> if (IS_ERR(pdata->rstc)) {
> if (PTR_ERR(pdata->rstc) == -EPROBE_DEFER)
> return ERR_PTR(-EPROBE_DEFER);
Confirmed with this fixing, the kernel can bootup successfully.
Thanks for this.
> To prevent the wrong controlling, how about adding "#reset-names" for dwmmc controller?
>
>
> Best Regards,
> Jaehoon Chung
next prev parent reply other threads:[~2016-10-28 10:19 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-25 3:00 [PATCH v2 1/2] arm64: dts: hikey: extend default cma size to 128MB Guodong Xu
2016-08-25 3:00 ` [PATCH v2 2/2] arm64: dts: hi6220: add resets property into dwmmc nodes Guodong Xu
2016-10-27 13:56 ` Vincent Guittot
2016-10-27 20:23 ` John Stultz
[not found] ` <CAKfTPtAXdkKcfpHmUmQNwuJxO0PORcCf49noST_CCkZPigPwgw@mail.gmail.com>
2016-10-28 7:26 ` Leo Yan
2016-10-28 7:33 ` Jaehoon Chung
2016-10-28 7:38 ` Leo Yan
2016-10-28 9:43 ` Jaehoon Chung
2016-10-28 9:54 ` Jaehoon Chung
2016-10-28 10:19 ` Leo Yan [this message]
2016-10-28 11:52 ` Jaehoon Chung
2016-10-28 12:34 ` Leo Yan
2016-10-28 21:12 ` John Stultz
2016-08-30 15:56 ` [PATCH v2 1/2] arm64: dts: hikey: extend default cma size to 128MB Wei Xu
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