From: hdegoede@redhat.com (Hans de Goede)
To: linux-arm-kernel@lists.infradead.org
Subject: [linux-sunxi] [PATCH 1/4] ARM: dts: sunxi: Add regulator-boot-on to usb host port regulator nodes
Date: Mon, 22 Jun 2015 10:28:16 +0200 [thread overview]
Message-ID: <5587C720.9040007@redhat.com> (raw)
In-Reply-To: <CAGRGNgU7179K408=PekziP9ZzzG7+rvhm=e7TWjZk1UhkAnVZQ@mail.gmail.com>
Hi,
On 22-06-15 02:30, Julian Calaby wrote:
> Hi Hans,
>
> On Sun, Jun 21, 2015 at 1:40 AM, Hans de Goede <hdegoede@redhat.com> wrote:
>> u-boot will have turned on the power to the usb host ports, so mark them
>> as regulator-boot-on, this stops the power on the ports from temporarily
>> getting turned off during boot, causing issues with e.g. usb powered
>> harddisks.
>
> Stupid question: shouldn't u-boot set this property?
We could make u-boot set this property but that will require a lot of code on
u-boot's side which is simply not there atm. And traditionally this property
is is simply a part of the dts files as shipped with the kernel.
Regards,
Hans
WARNING: multiple messages have this Message-ID (diff)
From: Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Julian Calaby <julian.calaby-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Maxime Ripard
<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
"Mailing List,
Arm"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-sunxi <linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
Subject: Re: [PATCH 1/4] ARM: dts: sunxi: Add regulator-boot-on to usb host port regulator nodes
Date: Mon, 22 Jun 2015 10:28:16 +0200 [thread overview]
Message-ID: <5587C720.9040007@redhat.com> (raw)
In-Reply-To: <CAGRGNgU7179K408=PekziP9ZzzG7+rvhm=e7TWjZk1UhkAnVZQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
Hi,
On 22-06-15 02:30, Julian Calaby wrote:
> Hi Hans,
>
> On Sun, Jun 21, 2015 at 1:40 AM, Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> wrote:
>> u-boot will have turned on the power to the usb host ports, so mark them
>> as regulator-boot-on, this stops the power on the ports from temporarily
>> getting turned off during boot, causing issues with e.g. usb powered
>> harddisks.
>
> Stupid question: shouldn't u-boot set this property?
We could make u-boot set this property but that will require a lot of code on
u-boot's side which is simply not there atm. And traditionally this property
is is simply a part of the dts files as shipped with the kernel.
Regards,
Hans
next prev parent reply other threads:[~2015-06-22 8:28 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-20 15:40 [PATCH 0/4] ARM: dts: sunxi: Enable otg on more boards Hans de Goede
2015-06-20 15:40 ` Hans de Goede
2015-06-20 15:40 ` [PATCH 1/4] ARM: dts: sunxi: Add regulator-boot-on to usb host port regulator nodes Hans de Goede
2015-06-20 15:40 ` Hans de Goede
2015-06-22 0:30 ` [linux-sunxi] " Julian Calaby
2015-06-22 0:30 ` Julian Calaby
2015-06-22 8:28 ` Hans de Goede [this message]
2015-06-22 8:28 ` Hans de Goede
2015-06-22 14:54 ` [linux-sunxi] " Julian Calaby
2015-06-22 14:54 ` Julian Calaby
2015-06-23 7:16 ` [linux-sunxi] " Maxime Ripard
2015-06-23 7:16 ` Maxime Ripard
2015-06-23 8:19 ` [linux-sunxi] " Hans de Goede
2015-06-23 8:19 ` Hans de Goede
2015-06-25 11:12 ` Maxime Ripard
2015-06-25 11:12 ` Maxime Ripard
2015-06-20 15:40 ` [PATCH 2/4] ARM: dts: sun4i: Enable otg controller on the ba10-tvbox Hans de Goede
2015-06-20 15:40 ` Hans de Goede
2015-06-20 15:40 ` [PATCH 3/4] ARM: dts: sun4i: Enable otg controller on the mini-x Hans de Goede
2015-06-20 15:40 ` Hans de Goede
2015-06-20 15:40 ` [PATCH 4/4] ARM: dts: sun6i: Enable otg controller on the cs908 Hans de Goede
2015-06-20 15:40 ` Hans de Goede
2015-06-25 11:13 ` [PATCH 0/4] ARM: dts: sunxi: Enable otg on more boards Maxime Ripard
2015-06-25 11:13 ` Maxime Ripard
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