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From: Dan Williams <dcbw-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Marius Kotsbak <marius.kotsbak-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org,
	netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"Marius B. Kotsbak"
	<marius-iy5w9mehe2BBDgjK7y7TUQ@public.gmane.org>
Subject: Re: [PATCH] net/usb: Add Samsung Kalmia driver for Samsung GT-B3730
Date: Mon, 13 Jun 2011 10:19:23 -0500	[thread overview]
Message-ID: <1307978364.2117.11.camel@dcbw.foobar.com> (raw)
In-Reply-To: <4DF62656.8060506-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

On Mon, 2011-06-13 at 17:01 +0200, Marius Kotsbak wrote:
> On 13. juni 2011 16:57, Dan Williams wrote:
> > On Sat, 2011-06-11 at 01:34 +0200, Marius B. Kotsbak wrote:
> >> Introducing driver for the network port of Samsung Kalmia based USB LTE modems.
> >> It has also an ACM interface that previous patches associates with the "option"
> >> module. To access those interfaces, the modem must first be switched from modem
> >> mode using a tool like usb_modeswitch.
> >>
> >> As the proprietary protocol has been discovered by watching the MS Windows driver
> >> behavior, there might be errors in the protocol handling, but stable and fast
> >> connection has been established for hours with Norwegian operator NetCom that
> >> distributes this modem with their LTE/4G subscription.
> > Why make the driver bind to both the switched and unswitched USB IDs?
> > Shouldn't the kernel bind the driver after switch when the device
> > reconnects with the new IDs?
> 
> No, I tried and it did not happen, so I assumed that the kernel modules
> are only loaded at USB insertion event, not when the interfaces changes.
> Does anyone here know if my observation is right?
> 
> Usb_modeswitch autoloads "option" module after switching, but not my
> kalmia module.

Try killing the modeswitch autoload thing first by moving the udev
script out of the way.  Then plug your device in, and run
"usb-modeswitch -c /path/to/config" so that the usb_modeswitch autoload
thing doesn't run.  Does that work?  I don't want to slander
usb_modeswitch but I've seen some odd behavior which I suspect is it's
module force-loading feature, though I haven't investigated too much
yet.  But ruling that out could be helpful.

Dan


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  parent reply	other threads:[~2011-06-13 15:19 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-10 23:34 [PATCH] net/usb: Add Samsung Kalmia driver for Samsung GT-B3730 Marius B. Kotsbak
     [not found] ` <1307748870-12950-1-git-send-email-marius-iy5w9mehe2BBDgjK7y7TUQ@public.gmane.org>
2011-06-10 23:55   ` Greg KH
     [not found]     ` <20110610235557.GA23443-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2011-06-11  0:25       ` Marius Kotsbak
2011-06-11 20:06         ` Greg KH
2011-06-11 21:55           ` Marius B. Kotsbak
2011-06-11 23:27             ` David Miller
2011-06-11 23:29               ` David Miller
     [not found]                 ` <20110611.162942.1706711069327005315.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2011-06-12  3:46                   ` Ben Hutchings
2011-06-12 12:35                   ` Marius B. Kotsbak
2011-06-17  2:01                     ` David Miller
     [not found]                       ` <20110616.220112.882657314456163072.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2011-06-17 10:31                         ` Marius Bjørnstad Kotsbak
2011-06-12 12:36                   ` Marius Kotsbak
     [not found]             ` <1307829318-18246-1-git-send-email-marius-iy5w9mehe2BBDgjK7y7TUQ@public.gmane.org>
2011-06-14  8:49               ` Oliver Neukum
     [not found]                 ` <201106141049.39150.oneukum-l3A5Bk7waGM@public.gmane.org>
2011-06-14  9:32                   ` Marius Kotsbak
     [not found]                     ` <4DF72A90.1070702-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-06-14  9:46                       ` Oliver Neukum
     [not found]                         ` <201106141146.19097.oneukum-l3A5Bk7waGM@public.gmane.org>
2011-06-19 21:45                           ` [PATCH 1/2] " Marius B. Kotsbak
2011-06-19 21:45                             ` [PATCH 2/2] Various fixes for better support of non-x86 architectures Marius B. Kotsbak
2011-06-19 22:57                             ` [PATCH 1/2] net/usb: Add Samsung Kalmia driver for Samsung GT-B3730 David Miller
     [not found]                               ` <20110619.155755.1854488306547854947.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2011-06-22 15:24                                 ` Marius Kotsbak
2011-06-22 15:26                                 ` [PATCH] net/usb: kalmia: Various fixes for better support of non-x86 architectures Marius B. Kotsbak
2011-06-22 20:41                                   ` David Miller
     [not found]                                   ` <1308756376-9920-1-git-send-email-marius-iy5w9mehe2BBDgjK7y7TUQ@public.gmane.org>
2011-06-23 10:46                                     ` Sergei Shtylyov
     [not found]                                       ` <4E03198A.2060600-hkdhdckH98+B+jHODAdFcQ@public.gmane.org>
2011-06-23 14:28                                         ` Alan Stern
2011-06-23 14:55                                           ` Sergei Shtylyov
     [not found]                                             ` <4E0353D0.1060604-hkdhdckH98+B+jHODAdFcQ@public.gmane.org>
2011-06-24  5:42                                               ` Oliver Neukum
     [not found]                                                 ` <201106240742.38806.oliver-GvhC2dPhHPQdnm+yROfE0A@public.gmane.org>
2011-06-24 11:55                                                   ` Sergei Shtylyov
2011-06-23 20:56                                       ` Marius Kotsbak
2011-06-19 21:53                           ` [PATCH] net/usb: Add Samsung Kalmia driver for Samsung GT-B3730 Marius Kotsbak
     [not found]                             ` <4DFE6FD8.1080003-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-06-20  6:47                               ` Oliver Neukum
2011-06-11 21:57           ` Marius Kotsbak
     [not found]             ` <4DF3E4E1.2070309-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-06-11 22:40               ` Greg KH
2011-06-13 14:57   ` Dan Williams
     [not found]     ` <1307977039.2117.7.camel-wKZy7rqYPVb5EHUCmHmTqw@public.gmane.org>
2011-06-13 15:01       ` Marius Kotsbak
     [not found]         ` <4DF62656.8060506-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-06-13 15:19           ` Dan Williams [this message]
     [not found]             ` <1307978364.2117.11.camel-wKZy7rqYPVb5EHUCmHmTqw@public.gmane.org>
2011-06-18 20:03               ` Marius Kotsbak

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