[PATCH] limit power budget on spitz

[Pavel Machek]

This limits power budget on spitz to 250mA. I'm not sure if it is the
right value, but it is certainly better than default 500mA, and
prevents nasty failure mode with zd1201.

Signed-off-by: Pavel Machek <pavel@xxxxxxx>

PATCH FOLLOWS
KernelVersion: 2.6.17-rc6-git

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);

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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