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mac80211: document sleep requirements for channel context ops

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Channel context driver operations can sleep, so add might_sleep()
and document this.

Signed-off-by: Chaitanya T K <chaitanya.mgit@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Chaitanya T K 2015-10-30 23:16:15 +05:30 • committed by Johannes Berg
commit dcae9e0203
3 changed files with 18 additions and 0 deletions
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6
include/net/mac80211.h
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@ -3172,18 +3172,24 @@ enum ieee80211_reconfig_type {
* The callback is optional and can sleep.
*
* @add_chanctx: Notifies device driver about new channel context creation.
* This callback may sleep.
* @remove_chanctx: Notifies device driver about channel context destruction.
* This callback may sleep.
* @change_chanctx: Notifies device driver about channel context changes that
* may happen when combining different virtual interfaces on the same
* channel context with different settings
* This callback may sleep.
* @assign_vif_chanctx: Notifies device driver about channel context being bound
* to vif. Possible use is for hw queue remapping.
* This callback may sleep.
* @unassign_vif_chanctx: Notifies device driver about channel context being
* unbound from vif.
* This callback may sleep.
* @switch_vif_chanctx: switch a number of vifs from one chanctx to
* another, as specified in the list of
* @ieee80211_vif_chanctx_switch passed to the driver, according
* to the mode defined in &ieee80211_chanctx_switch_mode.
* This callback may sleep.
*
* @start_ap: Start operation on the AP interface, this is called after all the
* information in bss_conf is set and beacon can be retrieved. A channel