From mboxrd@z Thu Jan 1 00:00:00 1970 From: festevam@gmail.com (Fabio Estevam) Date: Fri, 1 Feb 2013 13:49:57 -0200 Subject: [PATCH] ARM: mxs: Enable cpuidle Message-ID: <1359733797-19538-1-git-send-email-festevam@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Fabio Estevam Enable CONFIG_CPU_IDLE, so that suspend/resume can be tested on mxs platforms. Tested on a mx28evk board: $ echo enabled > /sys/devices/80000000.apb/80040000.apbx/80074000.serial/tty/ttyAMA0/power/wakeup $ echo mem > /sys/power/state [ 507.040000] PM: Syncing filesystems ... done. [ 507.060000] mmc0: card e624 removed [ 507.160000] Freezing user space processes ... (elapsed 0.01 seconds) done. [ 507.180000] Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done. [ 507.200000] Suspending console(s) (use no_console_suspend to debug) (Then send any character via AUART to wakeup the system). [ 507.220000] PM: suspend of devices complete after 10.468 msecs [ 507.220000] PM: late suspend of devices complete after 3.531 msecs [ 507.230000] PM: noirq suspend of devices complete after 5.187 msecs [ 507.230000] PM: noirq resume of devices complete after 2.312 msecs [ 507.230000] PM: early resume of devices complete after 2.437 msecs [ 507.320000] PM: resume of devices complete after 81.312 msecs [ 507.360000] Restarting tasks ... done. [ 507.530000] mmc0: new SDHC card at address e624 [ 507.550000] mmcblk0: mmc0:e624 SU04G 3.69 GiB [ 507.560000] mmcblk0: p1 p2 p3 [ 509.240000] libphy: 800f0000.etherne:01 - Link is Down [ 511.240000] libphy: 800f0000.etherne:01 - Link is Up Signed-off-by: Fabio Estevam --- arch/arm/configs/mxs_defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/configs/mxs_defconfig b/arch/arm/configs/mxs_defconfig index 7bf5351..7bf9aba 100644 --- a/arch/arm/configs/mxs_defconfig +++ b/arch/arm/configs/mxs_defconfig @@ -29,6 +29,7 @@ CONFIG_HIGH_RES_TIMERS=y CONFIG_PREEMPT_VOLUNTARY=y CONFIG_AEABI=y CONFIG_AUTO_ZRELADDR=y +CONFIG_CPU_IDLE=y CONFIG_FPE_NWFPE=y CONFIG_NET=y CONFIG_PACKET=y -- 1.7.9.5