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authorJohannes Berg <johannes@sipsolutions.net>2009-07-24 22:13:05 +0400
committerJohn W. Linville <linville@tuxdriver.com>2009-07-27 23:24:21 +0400
commitc2acea8e9b86ba5a5469ff477445676a223af4e2 (patch)
tree3c4705b13dd5c85817a1132a17743757135b7047 /drivers/mfd
parentfbf3a2af3834e8e93e9c2876de62c5b49988e352 (diff)
downloadlinux-c2acea8e9b86ba5a5469ff477445676a223af4e2.tar.xz
iwlwifi: fix up command sending
The current command sending in iwlwifi is a bit of a mess: 1) there is a struct, iwl_cmd, that contains both driver and device data in a single packed structure -- this is very confusing 2) the on-stack data and the command metadata share a structure by embedding the latter in the former, which is also rather confusing because it leads to weird unions and similarly odd constructs 3) each txq always has enough space for 256 commands, even if only 32 end up being used This patch fixes these things: 1) rename iwl_cmd to iwl_device_cmd and keep track of command metadata and device command separately, in two arrays in each tx queue 2) remove the 'meta' member from iwl_host_cmd and only put in the required members 3) allocate the cmd/meta arrays separately instead of embedding them into the txq structure Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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