Date: Fri, 17 Aug 2007 20:15:24 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: Andriy Gapon <avg@icyb.net.ua> Cc: freebsd-usb@freebsd.org Subject: Re: usbd_set_config_no vs. usbd_set_config_index Message-ID: <200708172015.25928.hselasky@c2i.net> In-Reply-To: <46C4805A.9060306@icyb.net.ua> References: <46C2D04A.30409@icyb.net.ua> <200708161841.17660.hselasky@c2i.net> <46C4805A.9060306@icyb.net.ua>
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On Thursday 16 August 2007, Andriy Gapon wrote: > on 16/08/2007 19:41 Hans Petter Selasky said the following: > > On Thursday 16 August 2007, Andriy Gapon wrote: > >> on 16/08/2007 19:15 Hans Petter Selasky said the following: > >>> Hi, > >>> > >>> I would say that "usbd_set_config_index()" is more reliable and faster > >>> than "usbd_set_config_no()". I tried to get rid of > >>> all "usbd_set_config_no()". > >> > >> Hmm, then I am puzzled how my change from *_index() to *_no() helped in > >> my case. Maybe some parameters were incorrect, or maybe different > >> devices need different parameters and that's where _no() comes useful. > > > > What config number are you setting? > > > > Have you dumped the configuration of your device using "udesc_dump" > > (See /usr/ports/sysutils/udesc_dump) ? > > Thank you for bearing with me. > To reiterate: I was trying palm/uppc-kmod on amd64 6.2 with standard USB > stack. attach routine had the following line: > err =3D usbd_set_config_index(dev, UPPC_CONFIG_INDEX, 1); > where UPPC_CONFIG_INDEX is defined to 1. > It failed with: > kernel: ucom0: failed to set configuration, err=3DSTALLED > kernel: device_attach: ucom0 attach returned 6 > > My only change was from _index to _no and then it started to work. > Here's udesc_dump full output: > =46rom this you should set config index 0 or config no 1. Note the differen= ce! =2D-HPS
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