[U-Boot] [PATCH 1/1] USB: EHCI: Initialize multiple USB controllers at once

Jim Lin jilin at nvidia.com
Tue Jul 31 06:07:38 CEST 2012


>-----Original Message-----
>From: Marek Vasut [mailto:marek.vasut at gmail.com] 
>Sent: Monday, July 30, 2012 8:02 PM
>To: Jim Lin
>Cc: Wolfgang Denk; Tom Warren; u-boot at lists.denx.de
>Subject: Re: [U-Boot] [PATCH 1/1] USB: EHCI: Initialize multiple USB controllers at once
>
>Dear Jim Lin,
>
>> >-----Original Message-----
>> >From: Marek Vasut [mailto:marek.vasut at gmail.com]
>> >Sent: Friday, July 27, 2012 5:26 PM
>> >To: u-boot at lists.denx.de
>> >Cc: Jim Lin; Wolfgang Denk; Tom Warren
>> >Subject: Re: [U-Boot] [PATCH 1/1] USB: EHCI: Initialize multiple USB
>> >controllers at once
>> >
>> >> Wolfgang,
>> >> Is there any chance to get this feature in after Stephen explained to
>> >> you?
>> >
>> >I'll poke into it. Can we not get rid of the added ifdef, eg. by setting
>> >up the controller number to 1 for those that don't define
>> >CONFIG_USB_MULTI now (everyone)
>> 
>> I assume you want me to add these in next patch.
>> 1 . Use CONFIG_USB_MULTI, instead of CONFIG_USB_INIT_MULTI
>>  (current patch),
>> 2. If CONFIG_USB_MULTI is not defined, then define
>> CONFIG_USB_MAX_CONTROLLER_COUNT as 1.
>
>Yes, is that a problem? Aka. have this always enabled and don't treat not having 
>multiple controllers as a special case.

Item 2 is not necessary.
Because CONFIG_USB_MAX_CONTROLLER_COUNT will not be used if
CONFIG_USB_MULTI is not defined.

--
nvpublic


More information about the U-Boot mailing list