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Date: Wed, 26 Mar 2014 16:42:33 +0200 From: Roger Quadros <rogerq@...com> To: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>, <balbi@...com> CC: <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>, "3.9+" <stable@...r.kernel.org>, Sebastian Andrzej Siewior <bigeasy@...utronix.de> Subject: Re: [PATCH] usb: gadget: zero: Fix SuperSpeed enumeration for alternate setting 1 On 03/26/2014 03:06 PM, Sergei Shtylyov wrote: > Hello. > > On 26-03-2014 13:28, Roger Quadros wrote: > >> It was impossible to enumerate on a SuperSpeed (XHCI) host >> with alternate setting = 1 due to the wrongly set 'bMaxBurst' >> field in the SuperSpeed Endpoint Companion descriptor. > >> Testcase: >> <host> modprobe -r usbtest; modprobe usbtest alt=1 >> <device> modprobe g_zero >> plug device to SuperSpeed port on the host. > >> Without this patch the host always complains like so >> "usb 12-2: Not enough bandwidth for new device state. >> usb 12-2: Not enough bandwidth for altsetting 1" > >> Bug was introduced by commit cf9a08ae in v3.9 > > Please also specify that commit's summary in parens. Also, there's now an adopted standard way of saying this: > > Fixes: <12-digit SHA ID> ("<summary line>") > Right. will send a v2. Thanks. cheers, -roger -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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