> The firmware-driven scan on 4965 (3945 also) returns to the original > channel by itself. [...] Right. Thanks for the description. > Once done with the list, the scan engine returns to the service channel > automatically. While it *might* work okay to change or reset that > channel, it is not necessary, and might be asking for trouble. Well, in the patch right now the channel the user sets will be completely ignored because the scan_finished thing doesn't reconfigure the hardware as it should. Since the user has an expectation that the working channel is changed after setting it with the ioctl, the code should make sure. Since hw scanning is mostly transparent to mac80211, the ioctl should imho be passed to the driver right away. If there's a problem with setting it to the hardware directly, the driver can cache it for until the firmware scan finished, but I don't think we should do that in mac80211. It has to be done somewhere though and just ignoring the setting is wrong. johannes
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