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authorJohannes Berg <johannes@sipsolutions.net>2009-06-02 15:01:37 +0400
committerJohn W. Linville <linville@tuxdriver.com>2009-06-03 22:06:13 +0400
commit19d337dff95cbf76edd3ad95c0cee2732c3e1ec5 (patch)
tree33326eeb09cb9664cc8427a5dc7cd2b08b5a57c3 /net/wimax/Kconfig
parent0f6399c4c525b518644a9b09f8d6fb125a418c4d (diff)
downloadlinux-19d337dff95cbf76edd3ad95c0cee2732c3e1ec5.tar.xz
rfkill: rewrite
This patch completely rewrites the rfkill core to address the following deficiencies: * all rfkill drivers need to implement polling where necessary rather than having one central implementation * updating the rfkill state cannot be done from arbitrary contexts, forcing drivers to use schedule_work and requiring lots of code * rfkill drivers need to keep track of soft/hard blocked internally -- the core should do this * the rfkill API has many unexpected quirks, for example being asymmetric wrt. alloc/free and register/unregister * rfkill can call back into a driver from within a function the driver called -- this is prone to deadlocks and generally should be avoided * rfkill-input pointlessly is a separate module * drivers need to #ifdef rfkill functions (unless they want to depend on or select RFKILL) -- rfkill should provide inlines that do nothing if it isn't compiled in * the rfkill structure is not opaque -- drivers need to initialise it correctly (lots of sanity checking code required) -- instead force drivers to pass the right variables to rfkill_alloc() * the documentation is hard to read because it always assumes the reader is completely clueless and contains way TOO MANY CAPS * the rfkill code needlessly uses a lot of locks and atomic operations in locked sections * fix LED trigger to actually change the LED when the radio state changes -- this wasn't done before Tested-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> [thinkpad] Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wimax/Kconfig')
-rw-r--r--net/wimax/Kconfig14
1 files changed, 0 insertions, 14 deletions
diff --git a/net/wimax/Kconfig b/net/wimax/Kconfig
index 1b46747a5f5a..0bdbb6928205 100644
--- a/net/wimax/Kconfig
+++ b/net/wimax/Kconfig
@@ -1,23 +1,9 @@
#
# WiMAX LAN device configuration
#
-# Note the ugly 'depends on' on WIMAX: that disallows RFKILL to be a
-# module if WIMAX is to be linked in. The WiMAX code is done in such a
-# way that it doesn't require and explicit dependency on RFKILL in
-# case an embedded system wants to rip it out.
-#
-# As well, enablement of the RFKILL code means we need the INPUT layer
-# support to inject events coming from hw rfkill switches. That
-# dependency could be killed if input.h provided appropriate means to
-# work when input is disabled.
-
-comment "WiMAX Wireless Broadband support requires CONFIG_INPUT enabled"
- depends on INPUT = n && RFKILL != n
menuconfig WIMAX
tristate "WiMAX Wireless Broadband support"
- depends on (y && RFKILL != m) || m
- depends on (INPUT && RFKILL != n) || RFKILL = n
help
Select to configure support for devices that provide