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Inaky Perez-Gonzalez c2315b4ea9 wimax/i2400m: clarify and fix i2400m->{ready,updown} 
The i2400m driver uses two different bits to distinguish how much the
driver is up. i2400m->ready is used to denote that the infrastructure
to communicate with the device is up and running. i2400m->updown is
used to indicate if 'ready' and the device is up and running, ready to
take control and data traffic.

However, all this was pretty dirty and not clear, with many open spots
where race conditions were present.

This commit cleans up the situation by:

 - documenting the usage of both bits

 - setting them only in specific, well controlled places
   (i2400m_dev_start, i2400m_dev_stop)

 - ensuring the i2400m workqueue can't get in the middle of the
   setting by flushing it when i2400m->ready is set to zero. This
   allows the report hook not having to check again for the bit to be
   set [rx.c:i2400m_report_hook_work()].

 - using i2400m->updown to determine if the device is up and running
   instead of the wimax state in i2400m_dev_reset_handle().

 - not loosing missed messages sent by the hardware before
   i2400m->ready is set. In rx.c, whatever the device sends can be
   sent to user space over the message pipes as soon as the wimax
   device is registered, so don't wait for i2400m->ready to be set.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
 		2009-10-19 15:56:07 +09:00
..
9p 9p: Add fscache support to 9p 2009-09-23 13:03:46 -05:00
bluetooth net: mark net_proto_ops as const 2009-10-07 01:10:46 -07:00
irda net: mark read-only arrays as const 2009-08-05 10:42:58 -07:00
iucv af_iucv: Return -EAGAIN if iucv msg limit is exceeded 2009-06-19 00:10:40 -07:00
netfilter Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6 2009-09-10 18:17:09 -07:00
netns netns: embed ip6_dst_ops directly 2009-09-01 17:40:31 -07:00
phonet Phonet: routing table Netlink interface 2009-10-14 15:04:17 -07:00
sctp net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
tc_act
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tipc
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act_api.h net: restore gnet_stats_basic to previous definition 2009-08-17 21:33:49 -07:00
addrconf.h bonding: remap muticast addresses without using dev_close() and dev_open() 2009-09-15 02:37:40 -07:00
af_ieee802154.h af_ieee802154: add support for WANT_ACK socket option 2009-08-12 21:54:50 -07:00
af_rxrpc.h
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af_unix.h net: Fix soft lockups/OOM issues w/ unix garbage collector 2008-11-26 15:32:27 -08:00
ah.h ah: Remove obsolete code 2009-10-18 21:32:00 -07:00
arp.h net: make neigh_ops constant 2009-09-01 17:40:57 -07:00
atmclip.h clip: convert to internal network_device_stats 2009-01-21 14:01:59 -08:00
ax25.h
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ax88796.h ax88796: Add method to take MAC from platform data 2009-03-24 23:32:03 -07:00
cfg80211.h cfg80211: add firmware and hardware version to wiphy 2009-10-07 16:39:46 -04:00
checksum.h include/net net/ - csum_partial - remove unnecessary casts 2008-11-19 15:44:53 -08:00
cipso_ipv4.h netlabel: Label incoming TCP connections correctly in SELinux 2009-03-28 15:01:36 +11:00
compat.h net: Introduce recvmmsg socket syscall 2009-10-12 23:40:10 -07:00
datalink.h
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dcbnl.h dcbnl: Add support for setapp/getapp to netdev dcbnl_rtnl_ops 2009-09-01 01:24:30 -07:00
dn.h decnet: compile fix for removal of byteorder wrapper 2008-11-27 23:04:13 -08:00
dn_dev.h
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dn_fib.h decnet: remove private wrappers of endian helpers 2008-11-27 00:12:47 -08:00
dn_neigh.h
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dn_nsp.h
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dn_route.h
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dsa.h dsa: add switch chip cascading support 2009-03-21 19:06:54 -07:00
dsfield.h
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dst.h netns: embed ip6_dst_ops directly 2009-09-01 17:40:31 -07:00
dst_ops.h netns: embed ip6_dst_ops directly 2009-09-01 17:40:31 -07:00
esp.h
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ethoc.h net: Add support for the OpenCores 10/100 Mbps Ethernet MAC. 2009-03-27 00:16:21 -07:00
fib_rules.h net: Remove unused parameter from fill method in fib_rules_ops. 2009-05-20 17:26:23 -07:00
flow.h netns xfrm: lookup in netns 2008-11-25 17:35:18 -08:00
garp.h
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gen_stats.h pkt_sched: gen_estimator: Dont report fake rate estimators 2009-10-07 01:07:42 -07:00
genetlink.h genetlink: make netns aware 2009-07-12 14:03:27 -07:00
icmp.h
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ieee80211_radiotap.h wireless: radiotap updates 2009-03-27 20:12:52 -04:00
ieee802154.h ieee802154: move headers out of extra directory 2009-07-23 17:08:51 +04:00
ieee802154_netdev.h ieee802154: add support for channel pages from IEEE 802.15.4-2006 2009-08-19 23:08:22 +04:00
if_inet6.h ipv6: reorder struct inet6_ifaddr to remove padding on 64 bit builds 2009-03-21 13:29:05 -07:00
inet6_connection_sock.h
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inet6_hashtables.h inet: rename some inet_sock fields 2009-10-18 18:52:53 -07:00
inet_common.h
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inet_connection_sock.h net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
inet_ecn.h net: replace __constant_{endian} uses in net headers 2009-02-14 22:58:35 -08:00
inet_frag.h inet fragments: fix sparse warning: context imbalance 2009-02-26 23:13:35 -08:00
inet_hashtables.h inet: rename some inet_sock fields 2009-10-18 18:52:53 -07:00
inet_sock.h inet: rename some inet_sock fields 2009-10-18 18:52:53 -07:00
inet_timewait_sock.h inet: rename some inet_sock fields 2009-10-18 18:52:53 -07:00
inetpeer.h
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ip.h inet: rename some inet_sock fields 2009-10-18 18:52:53 -07:00
ip6_checksum.h
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ip6_fib.h xfrm: select sane defaults for xfrm[4|6] gc_thresh 2009-07-30 18:52:15 -07:00
ip6_route.h net: skb->dst accessors 2009-06-03 02:51:04 -07:00
ip6_tunnel.h
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ip_fib.h ipv4: fib table algorithm performance improvement 2009-10-05 00:21:56 -07:00
ip_vs.h net: mark read-only arrays as const 2009-08-05 10:42:58 -07:00
ipcomp.h
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ipconfig.h
…
ipip.h ipv6 sit: 6rd (IPv6 Rapid Deployment) Support. 2009-10-07 01:07:37 -07:00
ipv6.h net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
ipx.h net: replace __constant_{endian} uses in net headers 2009-02-14 22:58:35 -08:00
iw_handler.h wext: refactor 2009-10-07 16:39:43 -04:00
lapb.h
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lib80211.h wireless: missing include in lib80211.h 2008-11-21 11:42:55 -05:00
llc.h
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llc_c_ac.h
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llc_c_ev.h
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llc_c_st.h
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llc_conn.h
…
llc_if.h
…
llc_pdu.h
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llc_s_ac.h
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llc_s_ev.h
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llc_s_st.h
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llc_sap.h
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mac80211.h mac80211: document ieee80211_rx() context requirement 2009-10-12 15:55:53 -04:00
mip6.h
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ndisc.h sysctl: remove "struct file *" argument of ->proc_handler 2009-09-24 07:21:04 -07:00
neighbour.h net: make neigh_ops constant 2009-09-01 17:40:57 -07:00
net_namespace.h wext: refactor 2009-10-07 16:39:43 -04:00
netdma.h net_dma: convert to dma_find_channel 2009-01-06 11:38:15 -07:00
netevent.h
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netlabel.h netlabel: Cleanup the Smack/NetLabel code to fix incoming TCP connections 2009-03-28 15:01:37 +11:00
netlink.h netlink: constify nlmsghdr arguments 2009-08-25 16:07:40 +02:00
netrom.h netrom: convert to internal net_device_stats 2009-01-21 14:02:01 -08:00
nexthop.h
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nl802154.h ieee802154: add support for channel pages from IEEE 802.15.4-2006 2009-08-19 23:08:22 +04:00
p8022.h
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pkt_cls.h ematch: simpler tcf_em_unregister() 2008-11-16 23:01:49 -08:00
pkt_sched.h pkt_sched: Revert tasklet_hrtimer changes. 2009-09-01 17:59:25 -07:00
protocol.h net: constify struct inet6_protocol 2009-09-14 17:03:05 -07:00
psnap.h snap: use const for descriptor 2009-03-21 19:06:50 -07:00
raw.h
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rawv6.h ipv6: Use correct data types for ICMPv6 type and code 2009-06-23 04:31:07 -07:00
red.h
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regulatory.h cfg80211: clean up includes 2009-04-22 16:57:17 -04:00
request_sock.h net: Fix memory leak in the proto_register function 2008-11-21 16:45:22 -08:00
rose.h NET: ROSE: Don't use static buffer. 2009-07-26 19:11:14 -07:00
route.h net: skb->rtable accessor 2009-06-03 02:51:02 -07:00
rtnetlink.h Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6 2009-09-10 18:17:09 -07:00
sch_generic.h pkt_sched: Fix tx queue selection in tc_modify_qdisc 2009-09-15 02:53:07 -07:00
scm.h cleanup: remove unused member in scm_cookie. 2009-07-05 19:16:10 -07:00
slhc_vj.h
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snmp.h snmp: add missing counters for RFC 4293 2009-04-27 02:45:02 -07:00
sock.h Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-10-13 12:55:20 -07:00
stp.h
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tcp.h net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
tcp_states.h
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timewait_sock.h net: Fix memory leak in the proto_register function 2008-11-21 16:45:22 -08:00
transp_v6.h inet: inet_connection_sock_af_ops const 2009-09-02 01:03:49 -07:00
udp.h udp: dynamically size hash tables at boot time 2009-10-07 22:00:22 -07:00
udplite.h udp: introduce struct udp_table and multiple spinlocks 2008-10-29 01:41:45 -07:00
wext.h wext: refactor 2009-10-07 16:39:43 -04:00
wimax.h wimax/i2400m: clarify and fix i2400m->{ready,updown} 2009-10-19 15:56:07 +09:00
wpan-phy.h ieee802154: add a sysfs representation of WPAN master devices 2009-08-19 23:08:20 +04:00
x25.h x25: Fix sleep from timer on socket destroy. 2009-06-16 05:40:30 -07:00
x25device.h
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xfrm.h xfrm: remove skb_icv_walk 2009-10-18 21:32:01 -07:00