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authorPaul Burton <paul.burton@imgtec.com>2014-04-14 19:25:29 +0400
committerPaul Burton <paul.burton@imgtec.com>2014-05-28 19:20:36 +0400
commitd050894435cdc78807e714a0148527542a583e87 (patch)
tree39f95ee57dbe42e78945365e2b166161a24cc804 /drivers/cpuidle/Makefile
parentf08dbf8a61462aa122b9b5077849a3f4bd84702a (diff)
downloadlinux-d050894435cdc78807e714a0148527542a583e87.tar.xz
cpuidle: cpuidle-cps: add MIPS CPS cpuidle driver
This patch adds a cpuidle driver for systems based around the MIPS Coherent Processing System (CPS) architecture. It supports four idle states: - The standard MIPS wait instruction. - The non-coherent wait, clock gated & power gated states exposed by the recently added pm-cps layer. The pm-cps layer is used to enter all the deep idle states. Since cores in the clock or power gated states cannot service interrupts, the gic_send_ipi_single function is modified to send a power up command for the appropriate core to the CPC in cases where the target CPU has marked itself potentially incoherent. Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Diffstat (limited to 'drivers/cpuidle/Makefile')
-rw-r--r--drivers/cpuidle/Makefile4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/cpuidle/Makefile b/drivers/cpuidle/Makefile
index f71ae1b373c5..a7fc96bcf319 100644
--- a/drivers/cpuidle/Makefile
+++ b/drivers/cpuidle/Makefile
@@ -15,6 +15,10 @@ obj-$(CONFIG_ARM_U8500_CPUIDLE) += cpuidle-ux500.o
obj-$(CONFIG_ARM_AT91_CPUIDLE) += cpuidle-at91.o
###############################################################################
+# MIPS drivers
+obj-$(CONFIG_MIPS_CPS_CPUIDLE) += cpuidle-cps.o
+
+###############################################################################
# POWERPC drivers
obj-$(CONFIG_PSERIES_CPUIDLE) += cpuidle-pseries.o
obj-$(CONFIG_POWERNV_CPUIDLE) += cpuidle-powernv.o