* [U-Boot] powerpc/85xx: usb: Limit controllers initialized by usb_init()
@ 2016-06-14 5:40 Matthew Bright
2016-06-14 12:13 ` Marek Vasut
0 siblings, 1 reply; 2+ messages in thread
From: Matthew Bright @ 2016-06-14 5:40 UTC (permalink / raw)
To: u-boot
Hi,
I am looking for a way to limit which usb host interfaces are initiali-
zed by usb_init() in order to skip unused interfaces. This is currently
governed CONFIG_USB_MAX_CONTROLLER_COUNT, which is possible to redefine
at the board level. However this doesn't cover more complex cases where
a SoC has multiple host interfaces but a board using that SoC only uses
a subset that is not necessarily contiguous.
Does there currently exist a way to define such behavior, or should the
functionality be added to usb_init() to support this?
Thanks.
Matthew Bright
^ permalink raw reply [flat|nested] 2+ messages in thread
* [U-Boot] powerpc/85xx: usb: Limit controllers initialized by usb_init()
2016-06-14 5:40 [U-Boot] powerpc/85xx: usb: Limit controllers initialized by usb_init() Matthew Bright
@ 2016-06-14 12:13 ` Marek Vasut
0 siblings, 0 replies; 2+ messages in thread
From: Marek Vasut @ 2016-06-14 12:13 UTC (permalink / raw)
To: u-boot
On 06/14/2016 07:40 AM, Matthew Bright wrote:
> Hi,
Hi,
> I am looking for a way to limit which usb host interfaces are initiali-
> zed by usb_init() in order to skip unused interfaces. This is currently
> governed CONFIG_USB_MAX_CONTROLLER_COUNT, which is possible to redefine
> at the board level. However this doesn't cover more complex cases where
> a SoC has multiple host interfaces but a board using that SoC only uses
> a subset that is not necessarily contiguous.
>
> Does there currently exist a way to define such behavior, or should the
> functionality be added to usb_init() to support this?
The driver model should allow you to do exactly that, though I don't
know if it's supposed on the MPC85xx .
> Thanks.
> Matthew Bright
>
>
--
Best regards,
Marek Vasut
^ permalink raw reply [flat|nested] 2+ messages in thread
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