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wimax: fix kconfig interactions with rfkill and input layers

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WiMAX can work without RFKILL, but it was missing a check to make sure
RFKILL is not being made a module with wimax compiled into the
kernel. This caused failed builds in s390, where CONFIG_INPUT is
always off.

When RFKILL is enabled, the code uses the input layer to report
hardware switch changes; thus, if RFKILL is enabled, INPUT has to be
too. It also needs to display some message when INPUT is disabled that
explains why WiMAX is not selectable.

(issues found by Randy Dunlap in the linux-next tree).

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Inaky Perez-Gonzalez 2009-01-08 11:07:36 -08:00 committed by David S. Miller
parent d48e470f76
commit 71f78afd67
1 changed files with 14 additions and 0 deletions
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14
net/wimax/Kconfig
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@ -1,9 +1,23 @@
#
# 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 appropiate 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