Date: Thu, 11 Mar 2010 19:21:41 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: Alexander Best <alexbestms@wwu.de> Cc: freebsd-usb@freebsd.org Subject: Re: [patch] add usb hub (0x2514 / 0x0424) to usbdevs Message-ID: <201003111921.41254.hselasky@c2i.net> In-Reply-To: <permail-2010031112151380e26a0b00000458-a_best01@message-id.uni-muenster.de>
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On Thursday 11 March 2010 13:15:13 Alexander Best wrote: > Hans Petter Selasky schrieb am 2010-03-11: > > On Thursday 11 March 2010 12:25:46 Alexander Best wrote: > > > just a product addition to usbdevs. > > > > > > cheers. > > > alex > > > > > > oh...and one question: > > > > Hi, > > > > See USB P4 ID 175574. > > thanks. :) > > > > why does `usbconfig dump_device_desc` say > > > > I think you need to compile the kernel with: > > > > option USB_VERBOSE > > > > Before it works like you expect. > > options USB_VERBOSE seems broken on r204988: > Try this patch: http://www.mail-archive.com/svn-src-all@freebsd.org/msg02230.html > > Stop in /usr/src. > > > > although the vendor id is already in usbdevs? > > > > --HPS > > i'd also like to ask what the purpose of this code in storage/umass.c is: > > #define UMASS_EXT_BUFFER > #ifdef UMASS_EXT_BUFFER > /* this enables loading of virtual buffers into DMA */ > #define UMASS_USB_FLAGS .ext_buffer=1, > #else > #define UMASS_USB_FLAGS > #endif When ext_buffer is set, no data is copied. Else data is copied into an intermediate buffer. > > isn't that just doing the same as: Probably we should expand those macros. Send me a patch! > > #define UMASS_EXT_BUFFER > /* this enables loading of virtual buffers into DMA */ > #define UMASS_USB_FLAGS .ext_buffer=1, > --HPShome | help
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