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Date: Tue, 13 Oct 2009 10:03:48 -0400 (EDT) From: Alan Stern <stern@...land.harvard.edu> To: Benjamin Herrenschmidt <benh@...nel.crashing.org> cc: Ben Efros <ben@...doctor.com>, Josua Dietze <digidietze@...isberghof.de>, fangxiaozhi <huananhu@...wei.com>, Greg KH <greg@...ah.com>, Kernel development list <linux-kernel@...r.kernel.org>, USB list <linux-usb@...r.kernel.org>, Hugh Blemings <hugh@...mings.org> Subject: Re: USB serial regression 2.6.31.1 -> 2.6.31.2 [PATCH] On Tue, 13 Oct 2009, Benjamin Herrenschmidt wrote: > usb-storage: Workaround devices with bogus sense size > > Some devices, such as Huawei E169, advertise more than the standard > amount of sense data, causing us to set US_FL_SANE_SENSE, assuming > they support it. However, they subsequently fail the request sense > with that size. > > This works around it generically. When a sense request fails due to > a device returning an error, US_FL_SANE_SENSE was set, and that sense > request used a larger sense size, we retry with a smaller size before > giving up. > > Based on an original patch by Ben Efros <ben@...doctor.com> > > Signed-off-by: Benjamin Herrenschmidt <benh@...nel.crashing.org> Acked-by: Alan Stern <stern@...land.harvard.edu> -- 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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