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authorNicolas Pitre <nicolas.pitre@linaro.org>2012-04-12 03:04:28 -0400
committerNicolas Pitre <nicolas.pitre@linaro.org>2013-08-05 00:13:00 -0400
commitb22537c682671de97c932d5addb6b7d087352aa1 (patch)
treeb45150a7499e9462481973cc1b84c8eb71f71bc8 /arch/arm/Kconfig
parent272614351423ce8c37ff730efc130e5b73fe64f5 (diff)
downloadlwn-b22537c682671de97c932d5addb6b7d087352aa1.tar.gz
lwn-b22537c682671de97c932d5addb6b7d087352aa1.zip
ARM: bL_switcher: add a simple /dev user interface for debugging purposes
Only the basic call to aid debugging. *** NOT FOR PRODUCTION *** Usage: echo <cpuid>,<clusterid> > /dev/b.L_switcher where <cpuid> is the logical CPU number, and <clusterid> is 0 for the first cluster and 1 for the second cluster. Signed-off-by: nicolas Pitre <nico@linaro.org>
Diffstat (limited to 'arch/arm/Kconfig')
-rw-r--r--arch/arm/Kconfig8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ade70017fd65..cfcb0d8d6f85 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1556,6 +1556,14 @@ config BL_SWITCHER
transparently handle transition between a cluster of A15's
and a cluster of A7's in a big.LITTLE system.
+config BL_SWITCHER_DUMMY_IF
+ tristate "Simple big.LITTLE switcher user interface"
+ depends on BL_SWITCHER && DEBUG_KERNEL
+ help
+ This is a simple and dummy char dev interface to control
+ the big.LITTLE switcher core code. It is meant for
+ debugging purposes only.
+
choice
prompt "Memory split"
default VMSPLIT_3G