From: Arnd Bergmann Date: Tue, 20 Feb 2018 11:54:53 +0000 (+0100) Subject: idle: i7300: add PCI dependency X-Git-Tag: v4.4.118~42 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3596e409a454a880a564045bf7443994f53a39cd;p=thirdparty%2Fkernel%2Fstable.git idle: i7300: add PCI dependency 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 Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/idle/Kconfig b/drivers/idle/Kconfig index 4732dfc154477..331adc509f3a0 100644 --- a/drivers/idle/Kconfig +++ b/drivers/idle/Kconfig @@ -17,6 +17,7 @@ config I7300_IDLE_IOAT_CHANNEL 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