RE: [PATCH 1/1]linux-usb: optimize to match the Huawei USB storagedevices and support new switch command

[Fangxiaozhi (Franko)]

Dear Oliver:

> -----Original Message-----
> From: Oliver Neukum [mailto:oneukum@xxxxxxx]
> Sent: Friday, December 14, 2012 5:34 PM
> To: Alan Cox
> Cc: Fangxiaozhi (Franko); linux-usb@xxxxxxxxxxxxxxx;
> linux-kernel@xxxxxxxxxxxxxxx; Xueguiying (Zihan); Linlei (Lei Lin);
> greg@xxxxxxxxx; Yili (Neil); Wangyuhua (Roger, Credit); Huqiao
> Subject: Re: [PATCH 1/1]linux-usb: optimize to match the Huawei USB
> storage devices and support new switch command
> 
> On Friday 14 December 2012 09:31:41 Alan Cox wrote:
> > On Fri, 14 Dec 2012 03:01:24 +0000
> > "Fangxiaozhi (Franko)" <fangxiaozhi@xxxxxxxxxx> wrote:
> >
> > > Dear Alan:
> > >
> > > 	This prevents people getting access to the storage device if they want.
> > > 	----In our device, after its switching, it will keep the cdrom port
> together with other ports (such as modem port). So you can access the
> storage device too, after our switch.
> >
> > Ok so the behaviour is
> >
> > 	plug in device
> > 	"I am a CD-ROM"
> > 	command sent
> > 	"I am a CD-ROM, I am a modem, I am other things"
> >
> > with the newer devices ?
> 
> For such devices we should put the switching code into generic code, not a
> device driver so that we have a chance to do reset_resume() on those
> devices.
--------------Because in many embedded linux system, they don't include such switch tools themselves. 
			So I think it is better to put the switching code in device driver.
--------------By the way, because our device will response the switching command for once, 
			so I think you can do reset_resume() as you want.

> 	Regards
> 		Oliver

Best Regards,
Franko Fang

èº{.nÇ+‰·Ÿ®‰­†+%ŠËlzwm…ébëæìr¸›zX§»®w¥Š{ayºÊÚë,j­¢f£¢·hš‹àz¹®w¥¢¸¢·¦j:+v‰¨ŠwèjØm¶Ÿÿ¾«‘êçzZ+ƒùšŽŠÝj"ú!¶iO•æ¬z·švØ^¶m§ÿðÃnÆàþY&—