Re: [usb-storage] Re: [PATCH] fix Sony USB mass storage - pass larger receive buffer

Matthew Dharm
2003-11-14T17:29:25Z

[-- Attachment #1: Type: text/plain, Size: 918 bytes --]

On Fri, Nov 14, 2003 at 11:14:08AM -0500, Alan Stern wrote:
> Unfortunately that does mean we lose the ability to tell if a compliant
> device/media is write-protected. You suggested allowing MODE-SENSE
> commands for devices that present certain standard SubClass and Protocol
> values, or disallowing them only for devices that present vendor-specific
> values. I'm not so sure that will work -- I haven't kept good records of
> users' reports, but it wouldn't be at all surprising to find that some
> apparently-compliant devices (bInterfaceSubClass = x06, Protocol = x50)
> still have problems with MODE-SENSE.

I _know_ that some 'apparently-compliant' devices have trouble with
MODE_SENSE.

Matt

--
Matthew Dharm Home: mdharm-usb@one-eyed-alien.net
Maintainer, Linux USB Mass Storage Driver

It was a new hope.
-- Dust Puppy
User Friendly, 12/25/1998

[-- Attachment #2: Type: application/pgp-signature, Size: 232 bytes --]