From: Ian Campbell <ijc+uboot@hellion.org.uk>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] sunxi: usb-phy: Never power off the usb ports
Date: Wed, 08 Jul 2015 16:03:08 +0100 [thread overview]
Message-ID: <1436367788.23508.66.camel@hellion.org.uk> (raw)
In-Reply-To: <1436367247-19401-1-git-send-email-hdegoede@redhat.com>
On Wed, 2015-07-08 at 16:54 +0200, 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>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
prev parent reply other threads:[~2015-07-08 15:03 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
2015-07-08 21:19 ` Marek Vasut
2015-07-08 15:03 ` Ian Campbell [this message]
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