linux-kernel - Re: [PATCH] USB: Mass Storage: Add MediaTek MT6276M device entry

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Message-ID: <Pine.LNX.4.44L0.1202281028350.1456-100000@iolanthe.rowland.org>
Date:	Tue, 28 Feb 2012 10:30:33 -0500 (EST)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Meng Zhang <meng.zhang@...iatek.com>
cc:	Josua Dietze <digidietze@...isberghof.de>,
	Matthew Dharm <mdharm-usb@...-eyed-alien.net>,
	Phil Dibowitz <phil@...m.com>,
	USB list <linux-usb@...r.kernel.org>,
	USB Storage list <usb-storage@...ts.one-eyed-alien.net>,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] USB: Mass Storage: Add MediaTek MT6276M device entry

On Tue, 28 Feb 2012, Meng Zhang wrote:

> from: Meng Zhang <meng.zhang@...iatek.com>
> 
> 1. Add entrys for mediatek MT6276M in unusual_devs.h
> 
> 2. Add init function for mediatek MT6276M to switch to COM port mode
> 
> 3. usb-devices outputs after running with this patch:
> T:  Bus=02 Lev=01 Prnt=01 Port=05 Cnt=01 Dev#= 48 Spd=480 MxCh= 0
> D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
> P:  Vendor=0e8d ProdID=00a1 Rev=02.00
> S:  Manufacturer=MediaTek Inc
> S:  Product=Product
> C:  #Ifs= 3 Cfg#= 1 Atr=80 MxPwr=500mA
> I:  If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=02 Prot=01 Driver=option
> I:  If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> I:  If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> 
> 4. patch based on branch:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> 
> 
> Signed-off-by: Meng Zhang <meng.zhang@...iatek.com>

Nowadays, aren't such things handled in userspace by the usb_modeswitch 
program rather than in the kernel driver?

Alan Stern

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