[U-Boot] [PATCH v5 11/15] usb: ohci: Remove unnecessary delays from hc_start and power power-on paths

Simon Glass sjg at chromium.org
Tue May 12 00:37:27 CEST 2015


On 10 May 2015 at 10:11, Marek Vasut <marex at denx.de> wrote:
> On Sunday, May 10, 2015 at 02:10:23 PM, Hans de Goede wrote:
>> The usb spec says that we must wait a minimum amount of time after port
>> power on (exact time is in the hub descriptor), this is something which
>> we must not only do for root ports but also for external hub ports, which
>> is why the common usb_hub code already waits a full second after powering
>> up ports. Having a separate wait for just the root hub in the ohci-hcd
>> code only leads to doing the waiting twice for the root ports, so drop the
>> wait from the ohci-hcd code.
>>
>> Signed-off-by: Hans de Goede <hdegoede at redhat.com>
>
> Acked-by: Marek Vasut <marex at denx.de>

Applied to u-boot-dm, thanks!


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