[U-Boot] [PATCH] USB: relax usbcore reset timings

Remy Bohmer linux at bohmer.net
Sun Jan 15 20:49:45 CET 2012


Hi,

2011/12/21 Wolfgang Grandegger <wg at grandegger.com>:
> From: Wolfgang Grandegger <wg at denx.de>
>
> Following the corresponding Linux code, this patch relaxes reset timings
> waiting at least 100ms after power to the ports. There are some reports
> that it helps make enumeration work better on some high speed devices.
> Furthermore, the wait is only done once after power has been enabled
> on all ports.
>
> CC: Remy Bohmer <linux at bohmer.net>
> CC: Vincent Palatin <vpalatin at chromium.org>
> Signed-off-by: Wolfgang Grandegger <wg at denx.de>
> ---
>  common/usb.c |    5 ++++-
>  1 files changed, 4 insertions(+), 1 deletions(-)

Applied to u-boot-usb.
Thanks.

Kind regards,

Remy


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