From: Hans de Goede <hdegoede@redhat.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] sunxi: usb-phy: Never power off the usb ports
Date: Wed, 8 Jul 2015 19:49:37 +0200 [thread overview]
Message-ID: <559D62B1.1080101@redhat.com> (raw)
In-Reply-To: <201507081702.51148.marex@denx.de>
Hi,
On 08-07-15 17:02, Marek Vasut wrote:
> On Wednesday, July 08, 2015 at 04:54:07 PM, Hans de Goede wrote:
>> USB devices are not really designed to get the power bounced off and on
>> at them. Esp. USB powered harddisks do not like this.
>>
>> Currently we power off the USB ports both on a "usb reset" and when
>> booting the kernel, causing the usb-power to bounce off and then back
>> on again.
>>
>> This patch removes the powering off calls, fixing the undesirable power
>> bouncing.
>>
>> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
>
> Shall I pick this through u-boot-usb or would you like this to go through
> u-boot-sunxi ? Recently, I feel a bit left out :-)
Heh, sorry but we've a bunch of other sunxi/usb mixed patches already
queued up, so I think it is best if I take this one through the sunxi
tree to avoid conflicts.
Regards,
Hans
next prev parent reply other threads:[~2015-07-08 17:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-08 14:54 [U-Boot] [PATCH] sunxi: usb-phy: Never power off the usb ports Hans de Goede
2015-07-08 15:02 ` Marek Vasut
2015-07-08 17:49 ` Hans de Goede [this message]
2015-07-08 21:19 ` Marek Vasut
2015-07-08 15:03 ` Ian Campbell
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