GCC correctly points out an uninitialized variable use when CONFIG_PCI is disabled. drivers/idle/i7300_idle.c: In function 'i7300_idle_notifier': include/asm-generic/bug.h:119:5: error: 'got_ctl' may be used uninitialized in this function [-Werror=maybe-uninitialized] if (unlikely(__ret_warn_once && !__warned)) { \ ^ drivers/idle/i7300_idle.c:415:5: note: 'got_ctl' was declared here u8 got_ctl; ^~~~~~~ The driver no longer exists in later kernels, so this patch only appplies to linux-4.9.y and earlier. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
28 lines
801 B
Text
28 lines
801 B
Text
config INTEL_IDLE
|
|
bool "Cpuidle Driver for Intel Processors"
|
|
depends on CPU_IDLE
|
|
depends on X86
|
|
depends on CPU_SUP_INTEL
|
|
help
|
|
Enable intel_idle, a cpuidle driver that includes knowledge of
|
|
native Intel hardware idle features. The acpi_idle driver
|
|
can be configured at the same time, in order to handle
|
|
processors intel_idle does not support.
|
|
|
|
menu "Memory power savings"
|
|
depends on X86_64
|
|
|
|
config I7300_IDLE_IOAT_CHANNEL
|
|
bool
|
|
|
|
config I7300_IDLE
|
|
tristate "Intel chipset idle memory power saving driver"
|
|
depends on PCI
|
|
select I7300_IDLE_IOAT_CHANNEL
|
|
help
|
|
Enable memory power savings when idle with certain Intel server
|
|
chipsets. The chipset must have I/O AT support, such as the
|
|
Intel 7300. The power savings depends on the type and quantity of
|
|
DRAM devices.
|
|
|
|
endmenu
|