Re: [PATCH] usb-storage: ignore ZTE MF 823 in mode 0x1225

[Oliver Neukum <oneukum@suse.com>]

On Thu, 2015-07-02 at 14:43 +0200, Oliver Neukum wrote:
> On Wed, 2015-07-01 at 22:50 +0700, Lars Melin wrote:
> 
> > Then I would like to see an lsusb listing for 19d2:1225 with an SD-card 
> > interface, I have only seen 19d2:1225 with a single storage interface 
> > which is for the windows install cd-rom.
> > There are almost no 3G dongles having the SD-card interface active in 
> > default (non-switched) mode.
> 
> Though I see your point. Is the switching desirable at all for this
> device or do I need to block the device on the SCSI level?
> 
> 	Regards
> 		Oliver

However, when I reinstall usb_modeswitch I see that the storage
functionality is unnecessary to switch this device.

Jul 02 14:56:10 linux-dtbq.site kernel: usb 3-10: new high-speed USB device number 8 using xhci_hcd
Jul 02 14:56:10 linux-dtbq.site kernel: usb 3-10: New USB device found, idVendor=19d2, idProduct=1225
Jul 02 14:56:10 linux-dtbq.site kernel: usb 3-10: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Jul 02 14:56:10 linux-dtbq.site kernel: usb 3-10: Product: ZTE WCDMA Technologies MSM
Jul 02 14:56:10 linux-dtbq.site kernel: usb 3-10: Manufacturer: ZTE,Incorporated
Jul 02 14:56:10 linux-dtbq.site kernel: usb 3-10: SerialNumber: MF8230ZTED010000CP261718U46EM0SHF3BW707_8C65&&&&&&&&&&&&&&&&&&&0
Jul 02 14:56:10 linux-dtbq.site kernel: usb-storage 3-10:1.0: USB Mass Storage device detected
Jul 02 14:56:10 linux-dtbq.site kernel: Vendor: 0x19d2, Product: 0x1225, Revision: 0xf0f1
Jul 02 14:56:10 linux-dtbq.site kernel: Interface Subclass: 0x06, Protocol: 0x50
Jul 02 14:56:10 linux-dtbq.site kernel: usb-storage 3-10:1.0: device ignored
Jul 02 14:56:10 linux-dtbq.site kernel: storage_probe() failed
Jul 02 14:56:10 linux-dtbq.site kernel: -- sending exit command to thread
Jul 02 14:56:10 linux-dtbq.site mtp-probe[2730]: checking bus 3, device 8: "/sys/devices/pci0000:00/0000:00:14.0/usb3/3-10"
Jul 02 14:56:10 linux-dtbq.site mtp-probe[2730]: bus: 3, device: 8 was not an MTP device
Jul 02 14:56:10 linux-dtbq.site usb_modeswitch[2740]: switch device 19d2:1225 on 003/008
Jul 02 14:56:15 linux-dtbq.site kernel: usb 3-10: USB disconnect, device number 8
Jul 02 14:56:16 linux-dtbq.site kernel: usb 3-10: new high-speed USB device number 9 using xhci_hcd

	Regards
		Oliver