So, while I was waiting for the review of the patch, I've come up with much better idea: we can just autodetect if stock and buggy or patched and bug-free firmware is used and have no need to introduce additional sysfs knob. So the patch which implements this follows in the next message. While the patch is ready to be merged as is (of course, if there are no comments from reviewers), I thought about the following: may be we should add a message to dmesg upon detecting stock and buggy firmware that user should consider patching the firmware? If so, what is the best place to put an instruction to? Post a link to dmesg? Can the link point directly to Dennis' blog or its better to put it somewhere else (with credits, of course)? Thanks.