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Date: Thu, 4 Feb 2010 12:26:21 +0100 From: Oliver Neukum <oliver@...kum.org> To: Paul Rolland <rol@...917.net> Cc: LKML <linux-kernel@...r.kernel.org>, linux-usb@...r.kernel.org Subject: Re: usbserial speed limitations ? Am Donnerstag, 4. Februar 2010 09:58:55 schrieb Paul Rolland: > "Maximum connection speed is limited by the current generic usbserial > driver to approximately less than 500kbps." > > Is there really such a speed limitation in the usbserial module/driver ? > This modem is HSPA+, which should allow a theorical maximum downspeed of > 20MBps, not 500kbps... In the generic usbserial driver this speed limit indeed exists. But you are not supposed to use it with that kind of device. Most likely the correct driver would be either option or sierra. Please post lsusb -v for your device. Regards Oliver -- 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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