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SubjectRe: [PATCH] limit power budget on spitz
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On Thu, 2006-06-08 at 10:34 +0200, Pavel Machek wrote:
> diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
> index acde886..1d8b58c 100644
> --- a/drivers/usb/host/ohci-pxa27x.c
> +++ b/drivers/usb/host/ohci-pxa27x.c
> @@ -185,6 +185,13 @@ int usb_hcd_pxa27x_probe (const struct h
> /* Select Power Management Mode */
> pxa27x_ohci_select_pmm(inf->port_mode);
>
> + if (machine_is_spitz()) {
> + /* Warning, not coming from any official docs. But
> + * spitz is unable to properly power wireless card
> + * claiming 500mA -- usb interface work but wireless
> + * does not. */
> + hcd->power_budget = 250;
> + }
> ohci_hcd_init(hcd_to_ohci(hcd));
>
> retval = usb_add_hcd(hcd, pdev->resource[1].start, SA_INTERRUPT);

Should this value not be specified by the platform in the platform data
rather than a set of machine_is_xxx statements in the driver itself? I
already put most of the infrastructure for that into place.

I also strongly suspect the power supply on the device is limited to
150mA.

Richard

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