Playing with the latest -mm kernel I stumbled upon the following compile
error:
CHK include/linux/version.h
CHK include/linux/utsrelease.h
CALL scripts/checksyscalls.sh
<stdin>:1389:2: warning: #warning syscall revokeat not implemented
<stdin>:1393:2: warning: #warning syscall frevoke not implemented
CHK include/linux/compile.h
LD drivers/acpi/built-in.o
LD [M] drivers/acpi/processor.o
CC [M] drivers/acpi/sbs.o
drivers/acpi/sbs.c: In function 'acpi_battery_add':
drivers/acpi/sbs.c:825: warning: ignoring return value of 'device_create_file',\
declared with attribute warn_unused_result
drivers/acpi/sbs.c: In function 'acpi_sbs_callback':
drivers/acpi/sbs.c:898: error: implicit declaration of function 'acpi_bus_gener\
ate_proc_event4'
make[2]: *** [drivers/acpi/sbs.o] Error 1
make[1]: *** [drivers/acpi] Error 2
make: *** [drivers] Error 2
The problem turned out to be that the sbs module is still using
acpi_bus_generate_proc_event4(), which is part of the
deprecated /proc/acpi/event interface. This patch makes this dependency
explicit.
Signed-off-by: Fernando Luis Vazquez Cao <[EMAIL PROTECTED]>
---
diff -urNp linux-2.6.23-rc8-mm2-orig/drivers/acpi/Kconfig
linux-2.6.23-rc8-mm2/drivers/acpi/Kconfig
--- linux-2.6.23-rc8-mm2-orig/drivers/acpi/Kconfig 2007-10-09
17:12:55.000000000 +0900
+++ linux-2.6.23-rc8-mm2/drivers/acpi/Kconfig 2007-10-09 16:36:07.000000000
+0900
@@ -352,6 +352,7 @@ config ACPI_HOTPLUG_MEMORY
config ACPI_SBS
tristate "Smart Battery System (EXPERIMENTAL)"
depends on X86
+ depends on ACPI_PROC_EVENT
depends on EXPERIMENTAL
help
This driver adds support for the Smart Battery System.
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